KeyToTech Review Insights

Overall Review Rating

5.0

Quality 5.0
Schedule 4.9
Cost 5.0
Willing to Refer 5.0

Top Mentions

Review Highlights

Limited Visibility on Task Progress

Some clients expressed a desire for greater transparency and visibility into the status of tasks and project milestones to improve coordination and reduce potential delays.
Strong Project Management and Timely Deliveries

Clients consistently praised KeyToTech for their effective project management, timely deliveries, and responsiveness to client needs. They maintained clear communication and were proactive in adapting to project challenges.
Expertise in Diverse App Development

KeyToTech has demonstrated expertise in developing apps across various platforms, including iOS, Android, and web. They have successfully launched apps with millions of downloads and low crash rates, showcasing their technical proficiency.
Cultural Fit and Values Alignment

Many clients chose KeyToTech due to cultural fit and alignment of company values, highlighting the importance of shared vision and mutual understanding in their collaborations.
Potential for Team Expansion

Clients expressed interest in expanding their collaboration with KeyToTech, indicating satisfaction with their work and a desire to involve more personnel in ongoing projects.
High Ratings and Good References

KeyToTech's high ratings and positive client references on platforms like Upwork are frequently cited as deciding factors for clients choosing their services.

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KeyToTech Reviews

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Mobile App Development
Confidential
Jan. - Dec. 2022

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"They were pleased with the professional interactions."

Nov 25, 2022

CTO, Healthcare Company

Anonymous

Other industries
Redwood City, California
51-200 Employees
Online Review
Verified

KeyToTech helped a healthcare company develop a mobile application in React Native. The team implemented all discussed specifications and designs to create an Android and iOS version.

KeyToTech's mobile app received a positive response from customers. The team was communicative, professional, and quick throughout the collaboration. Above all, they delivered outcomes with exceptional quality.

The client submitted this review online.

BACKGROUND

Please describe your company and your position there.

Our company provides infectious disease diagnostics services, leveraging our unique genomics+AI platform.

OPPORTUNITY / CHALLENGE

For what projects/services did your company hire KeyToTech, and what were your goals?

Our company is committed to delivering rapid access to our results; physicians are dependent on those results, and a mobile application supports the notion of a shorter time to action.

SOLUTION

How did you select this vendor and what were the deciding factors?

We implemented a series of pilots, and performed a bakeoff among several vendors, to select according to quality of results followed by speed of implementation. KeyToTech made a really good impression, and moved forward from pilot to project implementation via a collaboration.

Describe the scope of work in detail, including the project steps, key deliverables, and technologies used.

We implemented a react-native app supporting both iOS and Android. Implementation quickly moved from requirements, through specs, through design, and then implementation iterations.

How many people from the vendor's team worked with you, and what were their positions?

1; SE.

RESULTS & FEEDBACK

Can you share any measurable outcomes of the project or general feedback about the deliverables?

Overall, we have seen very good resopnse from our customers to the mobile app.

Describe their project management style, including communication tools and timeliness.

Easy to communicate, and easy to have a dialogue around tradeoffs, designs, etc. They were pleased with the professional interactions.

What did you find most impressive or unique about this company?

Beyond the quality of the work and the speed at which solutions were delivered, as an extra, benefited from the more formal deeper CS education.

Are there any areas for improvement or something they could have done differently?

no.

RATINGS

5.0

Custom Software Development Mobile App Development
Other app platform Android App Development iPhone iOS App Development Hybrid & cross platform apps Travel & Lifestyle Mobile App Development Flutter
Confidential
Aug. 2022 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"Their great attitude and collaborative approach are impressive; they're proactive in suggesting alternative solutions."

Oct 31, 2023

CEO, Tour Digital Solutions Company

Bob Rogers

Consumer products & services
Berlin, Germany
1-10 Employees
Online Review
Verified

KeyToTech has rebuilt an app based on a new design for a tour digital solutions company. The app includes Google Maps and API integrations, Flutter coding for the UI and backend, and more.

KeyToTech’s work has resulted in improved performance and dependability over time. The team is flexible and efficient; they prioritize work to deliver key functionalities on time. Moreover, they adapt to new requirements and maintain an excellent attitude. Customers can expect great service.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the CEO of the company

Describe what your company does in a single sentence.

Provide digital solutions for adventure tour operators

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire KeyToTech to accomplish?

Create a mobile companion app

SOLUTION

How did you find KeyToTech?

Online Search

Why did you select KeyToTech over others?

High ratings
Great culture fit
Good value for cost

How many teammates from KeyToTech were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

we required a complete rebuild of an existing app based on a new design. The app functionality included API integration to our CMS, coding in Flutter of the UI and backend, integration of Google maps and location services, implementation of group location sharing.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Correct functioning of the app on both Android and iOS for the required functionality. Noticeable improvements to performance and dependability over time. Quick resolution of issues.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Made every effort to deliver what was required on time. Prioritized work so that key functionality would be done in time for testing/release. Flexible in adapting to new requirements.

What was your primary form of communication with KeyToTech?

Virtual Meeting
Email or Messaging App

What did you find most impressive or unique about this company?

Their great attitude and collaborative approach are impressive; they're proactive in suggesting alternative solutions.

Are there any areas for improvement or something KeyToTech could have done differently?

Greater visibility into status of tasks in progress would be helpful.

RATINGS

5.0

Application Testing Mobile App Development UX/UI Design
Flutter
Less than $10,000
Jan. - Apr. 2023

5.0

Quality: 5.0

Schedule: 4.5

Cost: 5.0

Willing to Refer: 5.0

"We were impressed with their quickness and outcome-oriented approach."

Oct 30, 2023

Founder, ChefTreff

Jan Henri Kalinowski

Education
Germany
1-10 Employees
Online Review
Verified

KeyToTech provided mobile app development and design services for an education nonprofit. The team was tasked with building a matchmaking app for the client's conference.

KeyToTech delivered exactly what was needed, leaving the client satisfied with the collaboration. The team boasted top-notch communication skills and impressed with their results-driven approach and ability to deliver quality services quickly. The partners interacted mainly via virtual meetings.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Founder of ChefTreff

Describe what your company does in a single sentence.

Employer Branding & Recruiting

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire KeyToTech to accomplish?

App for matchmaking

SOLUTION

How did you find KeyToTech?

Online Search

Why did you select KeyToTech over others?

Pricing fit our budget
Good value for cost

How many teammates from KeyToTech were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

We needed a custom matchmaking app for our conference.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Chats and matches

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Great communication

What was your primary form of communication with KeyToTech?

Virtual Meeting

What did you find most impressive or unique about this company?

We were impressed with their quickness and outcome-oriented approach.

Are there any areas for improvement or something KeyToTech could have done differently?

RATINGS

5.0

Web Design Web Development
User Research
Confidential
Jan. - Feb. 2022

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"In my opinion, this company does an excellent job."

Oct 25, 2023

Legal Adviser, Law Firm

Orest Soroka

Legal
Lviv, Ukraine
1-10 Employees
Online Review

KeyToTech developed a website for a law firm. The team was responsible for content writing, platform design, and web testing.

Thanks to KeyToTech's work, the client's new website garnered new end customers. They communicated frequently and promptly through in-person meetings, ensuring an effective workflow. Their speed of work, quality, modern approach, and problem-solving skills were hallmarks of their work.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the advocate of Legal Adviser

Describe what your company does in a single sentence.

Provision of professional legal services.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire KeyToTech to accomplish?

Website development

SOLUTION

How did you find KeyToTech?

Referral
Other

Why did you select KeyToTech over others?

High ratings
Close to my geographic location
Great culture fit
Good value for cost
Referred to me
Company values aligned

How many teammates from KeyToTech were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Full website development and content, platform design, testing.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

The developed website provides new customers.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

The work was done on time, efficiently and qualitatively. All wishes and requirements are taken into account.

What was your primary form of communication with KeyToTech?

In-Person Meeting

What did you find most impressive or unique about this company?

Speed, quality, a modern approach to solving problems.

Are there any areas for improvement or something KeyToTech could have done differently?

In my opinion, this company does an excellent job.

RATINGS

5.0

"excellent job"

Application Management & Support Custom Software Development UX/UI Design Web Development
WordPress CMS
Confidential
Jan. 2022 - Jan. 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

''They are very very professional!''

Jun 28, 2023

CEO, Tiplr

Carmine Savarese

Other industries
Florence, Italy
1-10 Employees
Online Review
Verified

KeyToTech built a WordPress website for a travel content platform that can connect with a mobile app version. Users can create travel tips through the site and collect them to navigate the world map.

The website is working perfectly, thanks to KeyToTech's work. KeyToTech's team responded perfectly to the client's needs and delivered everything on time. Overall, they were young, innovative, and professional.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the CEO of Tiplr

Describe what your company does in a single sentence.

We are a travel content platform startup based between NewYork City and Italy.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire KeyToTech to accomplish?

Build a platform website
Give us some consultancy on our mobile app

SOLUTION

How did you find KeyToTech?

Online Search

Why did you select KeyToTech over others?

High ratings
Pricing fit our budget
Great culture fit
Company values aligned

How many teammates from KeyToTech were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Bogdan and his team built from scratch our website using Wordpress. The website allows users to sign in and create travel tips and collect them navigating the world map. This website has more than 10.000 active pages. Also they connected the made possible to make this website interoperable with our mobile app.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

The website is still working perfectly without the need of big updates.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

They are great. Deliverability was in time and the way they work is very well structured. They responded perfectly to our needs.

What was your primary form of communication with KeyToTech?

Virtual Meeting

What did you find most impressive or unique about this company?

They are all very young, which is great because they have fresh ideas, and at the same time they are very very professional!

Are there any areas for improvement or something KeyToTech could have done differently?

No, I think they fulfilled our needs

RATINGS

5.0

Application Testing Mobile App Development UX/UI Design Web Development
Confidential
Nov. 2022 - Mar. 2023

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"They fit in perfectly in terms of attitude and culture. It was a pleasure to work with them, and we got great results."

Apr 19, 2023

Co-Founder & CEO, Tappter

Keith Banwaitt

Other industries
Falmouth, England
1-10 Employees
Online Review
Verified

KeyToTech built the frontend UI of a messaging platform's web and mobile apps. The vendor proposed the platform's UI design and basic working features and worked on the e-signature and broadcast features.

KeyToTech delivered two fully functional features on time. The vendor impressed the client with how quickly they addressed and implemented feedback, enabling them to provide excellent results. Moreover, the client lauded the vendor's attitude, culture, and proactive communication via email.

The client submitted this review online.

BACKGROUND

Please describe your company and position.

I am the Co-Founder / CEO of Tappter

Describe what your company does in a single sentence.

Provides a secure messaging platform that keeps businesses, their partners and their customers connected.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire KeyToTech to accomplish?

Development of frontend user interfaces

SOLUTION

How did you find KeyToTech?

Online Search

Why did you select KeyToTech over others?

Great culture fit
Good value for cost
Company values aligned

What was the size of KeyToTech’s team?

1 Employee

Describe the scope of work in detail. Please include a summary of key deliverables.

The project required using Google Flutter to develop mobile and web frontend user interfaces. Key deliverables included development of new eSign and Broadcast features. Initial interface design and the basic working features were presented to the product owner, and following feedback, final designs and fully working features were developed and then released.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Two fully finished working features.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Items were delivered on time using an Agile Development process. Initial feature reviews took place with the Product Owner, and from there, feedback was quickly addressed and implemented to result in the final features being released. Communication was always professional and proactive.

What was your primary form of communication with KeyToTech?

Virtual Meeting
Email
Messaging App

What did you find most impressive or unique about this company?

We worked directly with Bogdan, who became part of our development team for a few months. They fit in perfectly in terms of attitude and culture. It was a pleasure to work with them, and we got great results.

Are there any areas for improvement or something KeyToTech could have done differently?

None.

RATINGS

5.0

Mobile App Development
$10,000 to $49,999
Jan. 2017 - Ongoing

5.0

Quality: 5.0

Schedule: 5.0

Cost: 5.0

Willing to Refer: 5.0

"They were able to work in multiple languages."

Jun 22, 2019

CEO, DonorSee

Gret Glyer

Other industries
Fairfax Station, Virginia
1-10 Employees
Online Review
Verified

KeyToTech built two mobile apps for a donation platform. The team integrated a financial transaction tool and a custom API.

Internal stakeholders are pleased with the success of the project. KeyToTech overcame communication barriers to leverage an effective workflow.

Showing 11-17 of 17 Reviews

Flutter PoC and MVP mobile applications

Have an idea and need to test the hypothesis and verify the technology? We suggest rapid MVP development using the Flutter framework. It's a budget-conscious option with great opportunities for future scaling into MVP. We use an agile, iterative approach, which allows you to make as many changes in the requirements as needed.

Small

Best for testing technology

$9,900 /total

Cross-Platform App
Number of Screens: 1 to 3
Testing
5 week delivery

Medium

Best for testing hypothesis

$21,900 /total

Cross-Platform App
Analytics
Number of Screens: 4 to 8
Upload to App Store
Testing
4 month delivery

Large

Best for testing value-proposition and market fit

$34,800 /total

Cross-Platform App
Analytics
Number of Screens: 9 plus
Product/Service Description Page
Push Notifications
6 month delivery

Features	Small $9,900 /total	Medium $21,900 /total	Large $34,800 /total
Cross-Platform App
Analytics	–
Number of Screens	1 to 3	4 to 8	9 plus
Product/Service Description Page	–	–
Push Notifications	–	–
Upload to App Store	–
Testing

Small $9,900 /total
Cross-Platform App
Analytics	–
Number of Screens	1 to 3
Product/Service Description Page	–
Push Notifications	–
Upload to App Store	–
Testing

Medium $21,900 /total
Cross-Platform App
Analytics
Number of Screens	4 to 8
Product/Service Description Page	–
Push Notifications	–
Upload to App Store
Testing

Large $34,800 /total
Cross-Platform App
Analytics
Number of Screens	9 plus
Product/Service Description Page
Push Notifications
Upload to App Store
Testing

Our Story

We’re KeyToTech: a Ukraine-born, London-scaling software team with 10+ years, 30+ professionals and 50+ projects. Our product-minded, data-driven engineers and designers deliver cost-effective, scalable mobile apps across different industries. Clients praise our professionalism, communication, proactivity and measurable results: MVPs, large-platform growth (2m+ users) and repeat partnerships.

Quick Facts

8 years in business

Tools and Technology

Slack

Jira

Trello

Miro

GitHub

Docker

Kubernetes

Sentry

Google Workspace

Figma

Vercel

SendGrid

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

Learn More

Verified Client Reviews: 14

Overall Review Rating: 5

Source: Clutch

Last Updated: March 3, 2026

Business Entity

Business Entity Name	KeyToTech Ltd
Source	Companies House
Jurisdiction of Formation	United Kingdom
Date of Formation	June 14, 2024
Status	Active
Last Updated	June 17, 2025
ID	15778592

Credit Report Results

International Credit Risk Assessment	Moderate Risk
Source	Creditsafe
Last Updated	June 17, 2025

Learn More About The Clutch Verification Process

Locations (3)

71-75 Shelton Street London, England WC2H 9JQ

2 - 5

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Cranberry Apps

(1)

Stefan Liesendahl

Flashbook

(1)

Max Suttorp

KeyToTech

Technical partner for mobile apps and AI products

2 Languages that we service

3 Locations

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Industries

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Pricing Snapshot

What Clients Have Said

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Select a service to see pricing information

Reviews

KeyToTech Review Insights

Overall Review Rating

Top Mentions

Review Highlights

Limited Visibility on Task Progress

Strong Project Management and Timely Deliveries

Expertise in Diverse App Development

Cultural Fit and Values Alignment

Potential for Team Expansion

High Ratings and Good References

Reviews mentioning:

KeyToTech Reviews

Mobile App Development for Healthcare Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Mobile App Development for Tour Digital Solutions Company

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Mobile App Dev & Design for Education Nonprofit

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Web Dev & Design for Law Firm

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Web Dev & Mobile App Consultancy for Travel Content Platform

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Frontend UI Dev for Messaging Platform

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

iOS & Android Dev for Donation Platform

BACKGROUND

OPPORTUNITY / CHALLENGE

SOLUTION

RESULTS & FEEDBACK

RATINGS

Portfolio & Awards

Packages

Flutter PoC and MVP mobile applications

Small

Medium

Large

About the Team

Our Story

Quick Facts

Tools and Technology

Verification

Business Entity

Credit Report Results