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At a Glance

Key details about this service to help you decide. Generated by Zinn Hub, not the seller.

Tech Stack

Flutter + Firebase + Dart
Built using Flutter for cross-platform iOS & Android output, with Firebase as the backend and Dart as the core language — a modern, widely-adopted stack for scalable mobile apps.

Source Code Included

All Tiers
Every package — Basic, Boost, and Premium — includes full source code handover, giving you complete ownership and flexibility to maintain or extend the app independently.

Cross-Platform Delivery

iOS & Android
All packages deliver both a functional Android and iOS app from a single codebase, reducing development time and cost compared to building two native apps separately.

Upgrade Path

Basic → Premium (App Submission + Design)
The Basic tier at $200 covers core functionality only. App store submission and full app design (including icon, splash screen, and UI) require the Premium upgrade, so buyers needing a launch-ready product should factor this in.

Full Description

Are you struggling with mobile app development and in need of a highly skilled mobile app developer or a Flutter developer to turn your business idea into reality?

Look no further! Zinn Digital ™, an expert Flutter mobile app developer based in London, England, is ready to bring your vision to life.

Our clients consistently approach us with their Flutter Mobile App projects.

Our preferred client testimonials: (check our work history below)

  • ️ Professionalism and dedication were remarkable and well above par.
  • ️ Always ready to carry out the necessary actions with competence and quality.
  • ️ As a project owner, Zinn Digital ™ keeps surprising me with their technical and personal skills.
  • ️ Always went above and beyond by dedicating extra time to overcome challenging technical issues.

Our Flutter Mobile App Development services have garnered positive responses from clients' target audiences, leading to recurring business and valuable feedback.

Expertise:

Dart, Kotlin, Java, Flutter, Firebase, complete mobile app development, developing modular and reusable code, third-party libraries and RESTful APIs, CodeMagic, BLoC, Provider, Riverpod, Local Storage, Performance Improvements, and debugging.


This Zinn Will Include (BASIC)

Simple mobile app with some minor functions

Delivery: 10 days

Revisions: 3

Includes:

• Functional Android app
• Functional IOS App
• Ad network integration
• Include source code


Upgrade Options

Choose an upgrade addon to get more features:

FeatureBasicBoost UpgradePremium Upgrade
Delivery10 days14 days30 days
Revisions37Unlimited
Functional Android app
Functional IOS App
Ad network integration
Include source code
App submission
App icon
Splash screen
App design

Zinner Quality Guarantee

Vetted Professional
Every Zinner is reviewed and approved before joining the platform.
Quality Work Guaranteed
All services are backed by our quality assurance commitment.
Secure Payment
Your payment is protected until you approve the delivered work.

Extra Information

Chat With Us

Chat On Telegram:https://t.me/ZinnDigital

Frequently Asked Questions

Yeah. I will publish your app to both Play Store and App Store.

Flutter uses Dart Programming Language.

I mostly use Firebase as a backend but I am open to the client's preference.

yes, I will do the Figma design before starting actual development. So, we are stick with a set of requirements.

Customer Reviews

See what our customers say about this Zinn

5.0
5 reviews
5 ⭐
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Very reliable developer with strong attention to detail. Phase requirements were implemented correctly and communication was clear throughout. Solid execution across multiple development phases. Delivered exactly as specified and followed detailed technical documentation carefully. He is absolutely exceptional! Excellent work!!

This developer did an excellent job with the tasks required and delivered exactly what I needed. The work was completed efficiently, the code was clean, and everything functioned as expected. Communication was smooth, and they kept the project on track from start to finish. The delivery time was great, and the final result met all requirements. I’m very satisfied and would happily work with this freelancer again.

I worked with Safdar on the first two milestones of my mobile app project and the experience has been very positive so far. He communicates clearly, responds quickly, and delivers updates reliably. Changes and feedback were handled professionally, and he proactively explained technical details when needed. I appreciate his willingness to improve the UX step by step and his support with setup tasks like Firebase & Apple Developer access. Looking forward to continuing the next milestones together.

Excellent work and highly professional delivery. The developer successfully completed Phase 4 exactly as scoped, including the trial flow, speaking and listening evaluation logic, Cloud Functions setup, Firestore integration, and clean FlutterFlow implementation. Communication was clear throughout, changes were implemented quickly, and technical requirements (Firebase, APIs, IAM roles) were handled correctly. He is the best developer I have ever met, with great character and strong ethics!!

This developer is the most gracious and diligent person I have met in all of my professional dealings. He is honest, fair, detail-oriented, and intelligent, and he approaches every task with care and professionalism. He consistently delivers thorough, high-quality work, and it is a genuine pleasure to collaborate with him.

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Mobile App Development &Amp; Flutter Development With Firebase - Zinn Digital ™

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