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Flutter Mobile App with Firebase and Stripe Integration

Services Covered:

Mobile Application Development • Web Application Development
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Industry
Industry

Construction

Duration
Duration

2 months

Budget
Budget

10K - 49K

Start Date
Start Date

1 June 2025

Team Size
Team Size

1-5

Engagement Model
Engagement Model

Offshore

Project Capability Score (PCS)

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83/100
Strong

Project Capability Score (PCS) estimates how capable SparkoSol is of successfully delivering a project like this, based on its past experience, track record, and ability to handle similar work. Learn more about PCS

Client

Confidential

mapKansas City, United States of America

Project Summary

Sparko Sol developed a production-ready Flutter mobile app for iOS and Android for a software company, implementing Firebase integration, Stripe payments and a real-time database. The team handled UI implementation from Figma, managed build submissions for both stores, and delivered the project on time. The app achieved full App Store and Play Store approval and met all specifications with strong communication throughout.

Key Challenges

  • Create a visually appealing app that is simple to operate and performs flawlessly for end users

Project Deliverables

  • Fully functional Flutter mobile app for iOS and Android
  • Firebase backend configuration and real-time database
  • Stripe payment integration and 7-day trial setup
  • Admin tools for managing subscriptions and users
  • UI implementation from Figma and build submissions to App Store and Play Store
  • Bug fixes and updates during testing and launch

Project Solution

Sparko Sol built a production-ready Flutter app for iOS and Android, integrating Firebase for backend and real-time data and Stripe for subscription billing and a 7-day trial. They implemented UI from Figma, built admin tools for subscription and user management, performed testing and bug fixes, and submitted builds to both the App Store and Play Store. The team maintained consistent communication and delivered on schedule.

Project Outcome

  • App successfully launched on both iOS and Android within the projected timeline
  • Core functionality met all specifications with zero major post-launch bugs
  • Firebase backend and Stripe billing performed as intended during live testing and onboarding
  • Full App Store and Play Store approval on first submission
  • Internal testing showed 100% feature completion and reliable synchronization across devices
  • Early user trials and waitlist conversions validated stability and performance

Platforms

  • MobileMobile
  • CloudCloud

Tech Stack

  • FlutterFlutter
  • iOSiOS
  • AndroidAndroid
  • FirebaseFirebase

Client Endorsement

Overall Review Rating

5star

Timeliness

Cost Rating

Willing to Refer

Quality of Deliverables

“Sparko Sol successfully launched the app on time, meeting all specifications and achieving full approval from the App Store and Play Store. The team ensured consistent communication between both sides, and their strong focus on the app's real-world function was key to the project's success.”

Anonymous

Owner

Note: This endorsement is based on publicly available client feedback from external review sources.