Mobile App Dev & UI/UX Design for Chemical Co
- Application Testing Mobile App Development UX/UI Design
- $10,000 to $49,999
- Apr. - Nov. 2023
- Quality
- 5.0
- Schedule
- 5.0
- Cost
- 5.0
- Willing to Refer
- 5.0
"Codeline Infotech LLP delivered a flawless experience from start to finish."
- Other industries
- India
- 11-50 Employees
- Online Review
Codeline Infotech LLP developed two cross-platform mobile apps for a chemical company. The team worked on UI/UX mock-up design, client testing, and built the app using Flutter.
Codeline Infotech LLP delivered the apps with a >95% crash-free rate and all features. The apps received 4.7+ stars on both the Google Play Store and the Apple App Store. The team provided regular updates, was highly responsive, and welcomed feedback. Their support and expertise stood out.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the PS Smoothie of PSSmoothie
Describe what your company does in a single sentence.
industrial chemical solutions
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Codeline Infotech LLP to accomplish?
- Mobile app development
- enhancement of user experience
- gain popularity
SOLUTION
How did you find Codeline Infotech LLP?
- Online Search
- Referral
Why did you select Codeline Infotech LLP over others?
- Pricing fit our budget
- Good value for cost
- Referred to me
- Company values aligned
How many teammates from Codeline Infotech LLP were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
Project Title:
Cross-Platform Mobile Application Development (Flutter) for Chemical Industry Operations & US Local Food Stall Kitchen Guide
Project Overview:
The goal is to design, develop, and deploy two cross-platform mobile applications using Flutter for both iOS and Android platforms.
The two apps will serve distinct industry needs:
Chemical Industry Operations App
US-Based Local Food Stall Kitchen Guide App
1. Chemical Industry Operations Mobile App
Objective:
To streamline daily operational tasks, safety compliance, inventory tracking, and reporting for chemical industry teams.
Core Features:
User Authentication: Secure login with role-based access (Admin, Supervisor, Operator)
Inventory Management: Track chemicals, raw materials, and finished goods
Safety & Compliance Module:
OSHA/EPA safety checklists
Incident reporting with photo/video uploads
Regulatory document uploads
Task Assignment & Tracking:
Create, assign, and monitor work orders
Completion status tracking
Push Notifications: For task updates, inventory alerts, and safety notifications
Offline Mode: Data entry offline with auto-sync when reconnected
Analytics Dashboard: Visual reports for management (inventory trends, incidents, task completion rates)
Technology Stack:
Frontend/UI: Flutter
Backend: Firebase / Node.js / or Google Cloud Functions (based on final selection)
Database: Firebase Firestore / Google Cloud Firestore
Authentication: Firebase Auth / OAuth 2.0
Deployment: Google Play Store, Apple App Store
2. US-Based Kitchen Guide for Local Food Stalls
Objective:
To help small food stall owners across the US with setting up kitchens, maintaining food safety standards, complying with local regulations, and managing recipes.
Core Features:
Onboarding: Business type selection (BBQ, Desserts, Tacos, etc.)
Kitchen Setup Guides: Step-by-step tutorials with images/videos
Local Regulatory Info:
Location-based licensing and health code checklists
Integration with USDA/FDA data (for phase 2)
Recipe Management:
Create, store, and categorize recipes
Cost per serving calculator
Shift and Prep Schedule Management: Basic calendar-based scheduler
Supplier Directory: Optional directory listing of local food suppliers
Push Notifications: For food safety alerts, new tutorials, or supplier discounts
Multi-language Support: English, Spanish (with room for future expansion)
Technology Stack:
Frontend/UI: Flutter
Backend: Firebase / Google Cloud Functions
Database: Firebase Firestore
Authentication: Firebase Auth (Email/Phone/Google Sign-In)
Deployment: Google Play Store, Apple App Store
Key Deliverables:
Deliverable
Details
Timeline
Requirements Document
Finalized feature list, user stories, technical requirements
Week 2
UI/UX Design Mockups
Flutter-friendly UI designs (Figma/Adobe XD) for both apps
Week 4
API Design & Backend Setup
Firebase backend configuration, Firestore data structure, API endpoints if needed
Week 5
Flutter App Development - Phase 1 (MVP)
Core functionality for both apps
Week 8
Internal Testing Build (QA)
Debug builds for internal team testing
Week 9
Beta Version (Client Testing)
Full feature set for client UAT
Week 11
Final Production Build
Release-ready iOS and Android builds
Week 12
App Store Deployment
Support with Google Play and Apple App Store submission
Week 13
Post-Go-Live Support
3-month bug-fix and minor update support
Weeks 14-26
Testing & QA Plan:
Device Coverage: Common Android and iOS device resolutions
Types of Testing:
Functional Testing
UI/UX Consistency Testing
Performance Testing
Offline Mode Testing
Deployment Testing (TestFlight and Google Play Beta)
Out of Scope (for this phase):
Web dashboard
AI or machine learning modules
ERP/CRM integrations
Advanced analytics or reporting dashboards
(These can be considered for future phases.)
Summary:
Both apps will be built in Flutter for fast development, single codebase maintenance, and consistent performance on iOS and Android platforms. Backend services will use Firebase for real-time data sync, secure authentication, and scalability.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
Working with Codeline Infotech LLP was an outstanding experience. The project delivered several clear and measurable outcomes that reflected both progress and success:
On-Time Delivery: Every milestone was delivered as per the agreed timeline, with no significant delays throughout the development cycle.
High-Quality App Performance: The final product launched with zero critical bugs, achieved a >95% crash-free rate, and met all performance benchmarks (fast load times, smooth user navigation, and reliable offline functionality).
Excellent User Adoption: Early user onboarding numbers exceeded expectations by over 30%, reflecting a well-built and user-friendly app.
Strong App Store Ratings: The apps received over 4.7 stars on both Google Play Store and Apple App Store from initial users within the first few weeks of launch.
100% Feature Delivery: All features outlined in the original scope of work were completed and delivered within budget, with no compromise on quality.
Exceptional Communication and Support: Codeline’s team remained highly responsive, providing fast turnaround times on feedback, bug fixes, and post-launch support (typically within 24-48 hours).
Client Satisfaction Rating:
⭐⭐⭐⭐⭐ (5/5)
We highly recommend Codeline Infotech LLP for any organization looking for a professional, reliable, and technically skilled development partner.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Project Management and Responsiveness:
Codeline Infotech LLP demonstrated excellent project management throughout the entire project lifecycle. Their team followed a structured and transparent process, providing regular progress updates, weekly status reports, and clear milestone tracking.
They used Agile development methodologies, which allowed for flexibility as our requirements evolved. Sprint reviews and milestone demos were conducted as scheduled, helping us stay fully informed and aligned at every stage.
Timely Delivery:
Codeline consistently delivered all project phases on or ahead of schedule. From initial planning and design through development, testing, and deployment, every key deliverable was met without delays.
Responsiveness to Our Needs:
Their communication was proactive and client-focused. Any questions, change requests, or clarifications we raised were addressed promptly—typically within 24 hours. They showed a strong willingness to adapt and accommodate feedback, even when adjustments were requested late in the cycle.
Additionally, their post-launch support was equally responsive, with quick turnaround times for any minor fixes or enhancements.
What was your primary form of communication with Codeline Infotech LLP?
- Virtual Meeting
- Email or Messaging App
What did you find most impressive or unique about this company?
What stood out most about Codeline Infotech LLP was their combination of technical expertise, proactive communication, and customer-first attitude.
Key Things That Impressed Us:
Responsiveness and Flexibility:
They were extremely responsive to our feedback and willing to adjust quickly, even when we made last-minute changes or had evolving requirements.
Strong Technical Knowledge (Especially with Flutter):
Their team demonstrated a deep understanding of Flutter development and best practices for delivering high-performance, cross-platform mobile apps.
Attention to Detail:
They maintained high quality standards across design, development, and testing, ensuring that the final product was polished, user-friendly, and bug-free.
Problem-Solving Approach:
Instead of simply following instructions, they often suggested better solutions for UX, backend structure, and app performance, which added real value to the project.
Professionalism and Commitment:
Their professional attitude, consistent communication, and dedication to meeting deadlines gave us full confidence throughout the project.
Are there any areas for improvement or something Codeline Infotech LLP could have done differently?
At this point, we honestly have no areas for improvement to suggest. Codeline Infotech LLP delivered a flawless experience from start to finish. Their technical expertise, communication, project management, and post-launch support were all handled with exceptional professionalism and quality.
They met and exceeded our expectations in every aspect of the project.
RATINGS
-
Quality
5.0Service & Deliverables
-
Schedule
5.0On time / deadlines
-
Cost
5.0Value / within estimates
-
Willing to Refer
5.0NPS