Best Web App and Mobile App Development Company
⭐ Techno Exponent (T-Web Exponent Services Private Limited) is an award-winning leading IT company with over 11 years of experience and 1000+ clients across the globe. Disney, Redbull, Amazon, Warner Bros., Nasa Engineers, and The Wall Street Journal are some of our notable collaborations.
⭐ Through our journey, we have completed more than 2500 projects and have grown into a team of 250+ experts. Recently, we have been awarded as the leading IT company at Times Business Awards 2022.
Here is the link: https://bit.ly/3LP8Axe
⭐ We offer web & mobile-based development services, digital marketing services, QA testing, Blockchain development services, custom app development, and business software solutions. We work closely with startups and enterprise-grade clients to help them with end-to-end IT solutions.
⭐ Technologies we use:
- Backend: Node.JS (Nest.JS, Express.JS)/ Python/ JAVA Spring Boot/ PHP (Core PHP, Laravel [BAP, LUMEN, Laracast, Laraclassified, Spark, etc.], Yii2, Symfony, Codeigniter, etc.)
- Frontend: Angular/ Vue.js/ React.js/ HTML5, CSS3, Bootstrap
- DB: MySQL/ MongoDB/ NoSQL/ PostgreSQL/ Oracle etc
- Mobile App:
- Native Platform: Android: JAVA/ Kotlin, iOS: Swift
- Hybrid platform: Android + iOS: React Native, Flutter, Ionic
- PWA: Angular.Js, Vue.Js, React.js
- CMS: WP/ Drupal/ Joomla/Magento
- Blockchain: Stellar, Ripple, Ethereum, Hyperledger, Tezos, Matic Polygon, Tron, Corda, Dragonchain, Tatum, Hedra Hashgraphh, Tatum
- Digital Marketing: SEO, SMO, SMM, PPC, ASO, email marketing, and content marketing.
⭐ Are you looking for:
- Voice and Video calling Web/ Mobile App?
- Digital Signature App?
- Food Ordering Web/ Mobile App?
- E-learning App with LMS?
- Service Marketplace App-like TaskRabbit?
- Doctor's appointments and Video calling apps like Zocdoc?
- Airbnb Clone?
- Dating app?
- B2B/ B2C eCommerce marketplace?
- Social Networking App?
- Digital marketing services for your business?
- Blockchain development services?
- or do you have a unique requirement?

headquarters
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Techno Exponent, Net Guru India Building, Plot No. E2-4, Block-GP, Sector-V, Salt Lake City, Kolkata-700 091Kolkata, 700091India
other locations
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echno Exponent 5001 Spring Valley Road, Suite 400 East, Dallas, TX 75244 United StatesDallas, TX 75244United States
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Focus
Recommended Providers
Portfolio
Parrot Dating App, Kys Tech, Red Bull, NASA Engineers, Surlet

Parrot Dating APp
This is a Tinder clone application. In this dating app, users can log in with their Facebook account or their mobile number. For security reasons, there will be no password but instead, users will receive a unique OTP to their registered mobile number every time they need to log in. Users can swipe for a match and if matched can send & receive a 10-second video which will be filtered by AI to make sure there’s no nudity in them. The video will disappear after opening and this allows users to know how their match will look. There’s messaging section and profile section as well.

UR Fuels
URFUELS is an on-demand petroleum product delivery app. Users can order diesel and petrol from the convenience of their smartphone.

Joy Tell - Social media app
This is a social media application where you can register for free. A user can follow other users and can send them messages in real-time. Users can make social posts that can be seen by the followers. A post can consist of only text or images as well. Followers can like a post and can place a comment on them, they can also share a post and report it if find offensive. Using Joy Tell you can stay up-to-date with all which is occurring around the world.

Tidy me
This application allows users to hire cleaners to clean their homes for a fee. User needs to register first to book a cleaner. The cleaners are verified by the company and are professional with at least one year of experience. Every clean is insured to $1M, the user only needs to pay at the end of the clean. Bedrooms, bathrooms, kitchens, and living rooms are all cleaned. Users can get an estimation of the price by the price calculator.

Music is Vivid
Music is Vivid is a Music competition app for music artists. There are a total of 240 registered artists and 2 types of contests are there. For Popular Artists there is a contest, called "Live" and for less popular artists, the content is called "Draft". The system randomly puts any of the 3 artists from each group based on Genre, and the fan can choose the 1st, 2nd, and the 3rd One. Artist gets point when a fan put him as 1st, 2nd or 3rd, Like, Love or Follow. After 20 days, based on the points collected, among 240 artists, the top 90 artists get picked, again the contest happens and 30 artists get selected and from them, final 16 gets sorted and from there the Top 3. The Top 3 Artists get awarded by the Website Owner.

Pro in your pocket
Pro In Your Pocket is the easiest way to find a local professional for any of your projects. Create a project and a team of professionals will reach out to you personally to help you find what you are looking for, all for free. you can choose from a list of over 150 services. Services like oil changes, computer repair, landscaping, pest control, and more. After you select your service, enter your zip code and a quick but detailed description of the service that you need to be done. One of our team members will personally review your request and reach out to Pros on your behalf, and get quotes for your service.

GCC Fashion Street (e-commerce app)
This is an e-commerce fashion app. The user can Register and log in to avail of all the features. The app is also integrated with social media plugins like Facebook and google+. The user can register through their social media account. The user can browse through a variety of clothing and fashion options. There are also various search and filter options. The user can add the products to the cart, see other users' ratings and reviews.

Medical News
This app is like a social media platform that allows users to get all the medical news in one place. Here we have made Facebook login. After landing to home-screen users will find the feeds/journal, they can like, comment, share, or add them to favorites. Users can create a community or cell & make it as public or private. Also, they can personalize the app by adding their profession, specialization, and location. Here we have made the subscription option as well so that users can add other specialization.

Clock N
A manager can add their employees under an organization. An employee can be assigned a task/work. The manager can create a task/work. While an employee accesses their account they will need to clock-in to their work. The clocking in the process will also store the location of the employee meaning in while an employee clock in the date + time + location will be stored. An employee can take a certain amount of break time, and once work is done they can clock out. Managers can see their employee's locations on the map. And the users need to subscribe to use the application.

MedCheck - Doctor patient app
Using this application user can connect with doctors and specialists. Users can choose one of the packages like Pre-marriage med check aging med check Fitness Check Preventive Check etc. can book a package and set an appointment online. The results will be sent to the user by email. Specialists and Doctors will recommend the users with prescriptions if needed the doctor may refer the user to any hospital. This platform has social media login options. Users can buy any of the Membership packages. We have integrated Stripe Payment Gateway.

Ride Sharing App
Pando car is a ride-sharing application where anyone can register. A registered user can share their car and earn money or they can also book a ride to a common destination. A ride can only have 3 bookings.

Leak It - Social App
This is a social media platform where users can interact with other users & business allowing the exchange of information like what is going around in real-time. Here leak is the information shared such as accident, power outage, closed road, a party, local news, and e.t.c. The leaker is the user. Hubs are locations where users check-in and anchors are places of interest or place where users visit frequently. So basically, it allows users to view leaks for their hubs & anchors.

Social Media app
Fuloop is a social networking app that helps people discover things to do nearby while on the go, all in real-time. Users can search for food, events, attractions, and nightlife. All the events will be shown on the map and users can get directions for the event from the app. Users can follow other users and are also able to post media. Users can like, share, and comment on the posts. Users can compare events with the help of reviews of other users.

Buyserk - auction app
This is an auction app that allows users to buy or sell the product by bidding & posting requirements respectively. To sell a product, the user will have to post the picture, location & other details along with the min. price to sell and place the post on this app. Getting, respond from buyers can ignore or accept the placed bids. After finalizing they will get the money on their wallet. Same way buyers can buy view the list of products to buy & pace the bid with an amount. Here users can withdraw the earned amount from the wallet.

e-study
This an app that allows the user to learn and test their knowledge while having fun. The user can access over 1,500 practice questions, answers, and explanations that include past KCPE examinations, mock and chapter questions in Mathematics, English, and Kiswahili, science, social studies, and religious education. All students, regardless of their academic standing, will find the app useful as it offers explanations to reinforce correct answers and gives the students the ability to select their dream high school and monitor their progress to achieving this goal.

Friction Networking
To register on this app first user will have to choose whether they want to register for personal use or for business. After that, they will be able to create different events or opportunities which can be bought by the users who want to buy them. Buyers can search for specific events or opportunities & redirect to the listing page from where that can buy the tickets for events or opportunities successfully.

Share Samadhan
Share Samadhan is the solution to get a wealth samadhan card. Here users can claim for PF or lost physical share to get the duplicate one. Here we have three types of membership plan i.e. free trial, Premium & gold plan having different levels of access. Users can upload the documents & get the solution for that.

Wine Bond
WineBond, the name for FINE WINE storage, now provides our clients a much easier and faster way to manage their wines. From requesting your wines, or selling your wines to a fellow like-minded wine lovers in our community, or viewing your past release records, all these features can now be done easily on this app now.
Features.
- Instantly view all your wines stored in WineBond
- Request for wines easily and quickly by submitting your drawdown orders via this App
- Sell your wines now to the WineBond community. Dictate your preferred pricing and quantity you wish to sell.
- Buy wines from our WineBond community.
- Receive the latest news from the wine world
- View your past drawdown records
- View your past purchases or sales.
Around since the last decade, and providing professional storage services to the most discerning collectors around Asia, WineBond is committed to providing the best value to all our clients. At WineBond, we have an efficient team that has extensive experience in handling fine wines and understanding your specific needs.

Professional finding and hiring website
Pro In Your Pocket is the easiest way to find a local professional for any of your projects. Create a project and a team of professionals will reach out to you personally to help you find what you are looking for, all for free. you can choose from a list of over 150 services. Services like oil changes, computer repair, landscaping, pest control, and more. After you select your service, enter your zip code and a quick but detailed description of the service that you need to be done. One of our team members will personally review your request and reach out to Pros on your behalf, and get quotes for your service.

Just Drop in
This app provided solutions to entrepreneurs by reducing overhead costs and by creating revenue for un-utilized commercial space. Here, a “Provider” is a company or person with available commercial space. The Provider can list their commercial space for entrepreneurs to book. A “User” is someone who needs short-term commercial space for work. And a “Drop-in” is any type of commercial space that is listed for Users to rent. Here, we have made an advance chat system. If a Provider has an available salon chair, it can be listed on Drop-in. Providers can list different places. Just name it, you can list it on Drop in for a short term booking.

E-commerce website
Sonayna is an e-commerce platform that allows users to buy the products that come under the brand sonayna. Sonayna uses the concept of Indo Fusion to design his garments whereby it combines Indian designs and workmanship and incorporates it into Indonesian formal and semi-formal wear such as Kaftans, Dresses, Blouses, Tops, and Pants.

Social media website
This is a Large Social Networking site and there are so many things inside. We have used Socket.io for the RTA (Real-Time Applications). A user can search for other users, follow them. A user can also follow different topics. On the newsfeed page, a user can see all posts from the followed topics and followed persons. Each post, a user can see a total number of upvotes, comments, shares, read, post points, and a number of users online at this post. Each post will have tags with it, that the user can follow if he wants. A user can write a message and post that. Each post will contain the profile link of the person who posted it with Profile Pic, Number of Profile Views, and Number of Followers.

Music Competition Website
Here. there are 2 types of users, Artists, and Fans. Both will have to register and login to the system to get full access. An Artist can create an album and upload songs inside, they can upload the raw file in MP3. Fans can search artists by artist name or by the song name. Fans can subscribe to the site and can vote for Artists. There are a total of 240 registered artists and 2 types of contests are there. For Popular Artists there is a contest, called " Live" and for less popular artists, the content is called "Draft".The system randomly puts any of the 3 artists from each group based on Genre, and the fan can choose the 1st, 2nd, and the 3rd One. Artist gets point when a fan put him as 1st, 2nd or 3rd, Like, Love or Follow. After 20 days, based on the points collected, among 240 artists, the top 90 artists get picked, again the
contest happens and 30 artists get selected and from them, final 16 gets sorted and from there the Top 3. The Top 3 Artists get awarded by the Website Owner.

Commission Website
There are 3 types of users. Property Owner, Broker, and Affiliate. All of the 3 users will have to register and login to the system. Property Owner will be able to post one property only from his account and it’s Free. The broker will have to buy a subscription Package, and he can post multiple properties based on the Package. Affiliate can use a free account or can buy any of the subscriptions. From the free account, he will get less commission percentage and the percentage will also vary based on the subscription type he is buying. He will be able
to see the properties listed by the owner or the broker, will get a property share link from that property details page, and will be able to share that property affiliate link on different places. Any customers, who come to the site, register, and log in to the system using that affiliate link, will be tagged with that affiliate. After that, whatever property that customer buys, the affiliate will get the commission percentage. Affiliate will also have an affiliate link on his own profile
page, that he can share with others, and the customers register with this link will always be tagged with this affiliate. The Tagged time will always be considered for deciding the commission percentage. If the customer is tagged to the Affiliate when he had the free account, then he will always get the commission percentage set for the free account even if the affiliate later upgrades to any other subscription.

GIA UK
Global InnovationAcademy (GIA) is an international knowledge powerhouse, where there are Partners (Training Providers), Trainers, Assessors, and Trainees.
Admin will list the certification courses, and also set and manage the Membership Packages for the Trainees. Trainees can be of the two types, Individual and Corporate. A Trainee will buy a membership and select what certification course he wants to pursue. Once he buys the membership he can enroll for one certification course only if he fails one the first exam, he can try once more for free, after that he will have to buy again. For corporate membership, a corporate admin will add his members’ entire email id, and the members will log in to the system with the registered email id. Each Trainee will get a Unique Key number provided by the system upon buying the membership.
The Trainee will receive training materials in PDF Format. There will be some free materials for the Free Users, who can read some free materials but cannot download them.
Trainers can search for the Partners and contact them outside of the site to be a part of their
organization. Super Admin can also add trainers for any Partners. Partners can upload the Trainees Attendance sheet to the system, and the Super Admin can manage those. Super Admin will arrange the Exam for each course of any partners registered to this site. Super Admin will upload the CSV of the enrolled trainees to the LMS and the LMS system will generate a unique Exam key for each student and those will be mailed to their registered emails. Students can start the Exam by first entering their Unique Key and then they will be redirected to their LMS system Exam portal, where they will have to enter their unique exam key, and after that, they can perform the exam. Partners (Training Providers) can register to the site and admin will approve them.

Notary Website
There are three types of User:
1. Primary Signer
2. Signer
3. Notary
Primary Signer will register and login to the site, add the signer, and upload the document. The system will automatically assign a Notary for this task.
Notary will do video calling with the Signer and the Primary Signer to check the authenticity, check all the documents, and then ask both the parties to do e-sign. Once both of the e-sign the doc, then the Notary seals or signs it, and the latter can download it immediately. Primary Signer will have to pay an amount to the site to get his document notarized.
The Primary Signer can be an individual User, or can also be a Business User, who has many documents to get notarized. Both of the user types have different membership packages.
We have used pdf Tron for PDF reading, e-sign, etc.
We have used Tokbox for the Video call feature.

SaaS based employee management system
This is an excellent Web-Based System, where different Company/ Organization owners can register, pay, and subscribe to the site. It helps users with a GPS Controlled Time Sheet. With a GPS location being attached to an employee’s timesheet, there is no doubt where they were when they arrived or left work. The user can download the Timesheet PDF file and can store it as a courtesy copy or can you can email it out to the employee as a pay stub. There are features like the time-stamp of when the report was run, a user will see Manually Entered by Manager in the location section if time was added by a manager for any reason. The system will automatically calculate the total payment amount based on the hourly rate & the total number of hours worked. The user can add notes to the clock in or clock out. The manager also has the ability to disable the note field inside the app if they choose to. We highlighted the notes in yellow because they are important and don't want users to miss them. Inside the manager account, there’s a feature called the Quick Time Clock. This allows a manager to quickly clock an employee in or out. This is a large project built using Yii. This website also has Android and Ios apps. This client has hired our Dedicated Developers, who are always working for him only. This is a Continuous project and we are also responsible for the Maintenance. This is a big-budget project of $40, 000 USD

Axis TMS
This is a SaaS-based Transport Management System (GPS based), where transport companies can register, subscribe, log in, Order Management - Assign & Offer Orders, Create Invoices & Billing, Document Scanning, Payroll for Drivers, Map Routes & Quotes to Drivers, Auto text messages to drivers, IFTA Mileage Reports, Shipment Bid Network, Web Communicator for Staff & Drivers, Copy / Split Orders, Live statuses from the road, See planned orders per truck, Find your trailers, Fuel data synced with EPA.gov, Practical Miles (PC Miler), Auto Faxing integrated, Run MVR & Background Checks, BOL eSignature on Deliveries, Fuel Input from Mobile App, Co-Pilot Navigation, Temperature Control Data, View profits and costs, Notify everyone with Shipment Notes, Setup Drivers, Trucks, Trailers, Owner Op's, etc. We have integrated Fuel Cards from AmeriFuel, COMDATA, Wex Fleet One, and EFS.

Dating App like Tinder with Swipe and Super like features
It's a Dating App named Parrot, here we have made similar features to Tinder.

Music Competition Website, Android and iOS Apps
Website Name is Music is Vivid.
Brief Functionality: There are 2 types of users, Artists, and Fans. Both will have to register and login to the system to get full access.
An Artist can create an album and upload songs inside, they can upload the raw file in MP3. Fans can search artists by artist name or by the song name. Fans can subscribe to the site and can vote for Artists.
There are a total of 240 registered artists and 2 types of contests are there. For Popular Artists there is a contest, called "Live" and for less popular artists, the content is called "Draft".The system randomly puts any of the 3 artists from each group based on Genre, and the fan can choose the 1st, 2nd, and the 3rd One.
Artist gets point when a fan put him as 1st, 2nd or 3rd, Like, Love or Follow. After 20 days, based on the points collected, among 240 artists, the top 90 artists get picked, again the contest happens and 30 artists get selected and from them, final 16 gets sorted and from there the Top 3. The Top 3 Artists get awarded by the Website Owner.

Review on a Web Development work
Review on a Web Development work

For a Video based website and apps we made for Dr. Robert Gracia
We met Dr. Robert Gracia during our Business Tour USA. We have been working with him for a long time. Here's his valuable feedback about us.

Review on a Complex Mobile Development work
Review on a Complex Mobile Development work

Review on App re-development work
Here's the review on our App re-development work

Review on our Android and iOS App Development
Here's the review on our Android and iOS App Development.
Reviews
the project
Mobile App Development for Digital Transformation Company
"Their quick responses and actions are truly unique."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
I am a Business Development Director at a digital transformation company based in the US with subsidiaries in Africa and Canada.
For what projects/services did your company hire Techno Exponent, and what were your goals?
To develop a suite of apps for a multi service healthcare platform. The goals were to:
- Connect patients to health professionals through telehealth services
- Allow patients to subscribe to health insurance and monitor all related activities (Premium payments and reimbursements)
- Digitize the vaccination book to create Vaccine passport
How did you select this vendor and what were the deciding factors?
Deciding factors:
- Work quality and experience
- Competitive cost
- Large human resources
- Responsiveness
The vendor and I worked on a small project before.
Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.
Technologies used:
- React Native
- Flutter
- HTML5 + CSS3 + Laravel + MySQL
Project Steps:
- Assignment of a project manager
- Defining the Milestones and deliverables
- Testing of the product for each deliverable
- Scheduling meetings to discuss feedback and next steps
Key deliverables include:
- Secured registration and Login using 2-factor authentication
- Messaging services
- Voice message services
- Video calls services
- Insurance brokerage service
- Payment gateway integration
- Vaccination record
- Printing of Vaccination passport card
- Admin console for monitoring vaccination activities
- Admin console for monitoring telehealth activities
- Admin console for monitoring insurance brokerage services
How many resources from the vendor's team worked with you, and what were their positions?
- A project Manager
- Two designers
- Two backend developers
- 4 Front end developers
Can you share any measurable outcomes of the project or general feedback about the deliverables?
The Service is not launched yet. But The government which this product is being developed for is already very impressed by the quality of the product.
Describe their project management style, including communication tools and timeliness.
I communicate with all the team members. But the meetings are always arranged and led by the project Manager. We communicate via Skype, WhatsApp and Zoom. The meeting are recorded and a copy is always sent to me. We communicate on a weekly basis, generally.
What did you find most impressive or unique about this company?
Their quick responses and actions are truly unique. They also show flexibility that I rarely find elsewhere.
Are there any areas for improvement or something they could have done differently?
Add more resources for QA (those in charge of testing the products).
the project
Web & Mobile App Dev for Local Professional Finder
"They really care about the product."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
I am Founder and CEO of the company.
For what projects/services did your company hire Techno Exponent?
We hired Techno Exponent to develop our website and apps on iOS and Android.
What were your goals for this project?
We wanted to get our apps up and running, and have a reliable service for our customers.
How did you select this vendor?
I found them online and chose to work with them after an interview.
Describe the project in detail.
Website, web app, iOS app, Android App. With all of the backend services that connects it all together.
What was the team composition?
Sabyasachi managed the team, who was comprised of various designers, developers, and engineers.
Can you share any outcomes from the project that demonstrate progress or success?
We have 4 apps published, and a website published that connects through databases and backend services.
How effective was the workflow between your team and theirs?
Workflow is great. Their team always wants to make things right.
What did you find most impressive about this company?
They quickly reply and respond to questions and suggestions. They really care about the product.
Are there any areas for improvement?
I think people and companies can always improve, but honestly these guys at Techno Exponent are doing really well.
the project
App Dev for Dating App
"My app works properly in every way due to Techno Exponent."
the reviewer
the review
The client submitted this review online.
Please describe your company and your position there.
I am the CEO of Parrot, a mobile dating application.
For what projects/services did your company hire Techno Exponent?
App development and maintenance.
What were your goals for this project?
Many goals, all goals were met by Techno Exponent.
How did you select this vendor?
Online research.
Describe the project in detail.
I had a dating app built for me by Techno Exponent.
What was the team composition?
Over 10k so far.
Can you share any outcomes from the project that demonstrate progress or success?
My app works properly in every way due to Techno Exponent.
How effective was the workflow between your team and theirs?
Very effective.
What did you find most impressive about this company?
A lot of things.
Are there any areas for improvement?
None.
The end client has responded positively to the products for their impressive quality. Exhibiting excellent project management and communication, Techno Exponent responds quickly and leads a flexible process. They also provide detailed documentation of their progress to ensure a transparent workflow.