---
title: "Build custom Flutter apps for iOS, Android with Firebase gym & restaurant apps"
url: https://zinnhub.com/zinns/build-custom-flutter-apps-for-ios-android-with-firebase-gym-restaurant-apps/
description: "Design modern, responsiveness UI/UX for your mobile app 10 screens, no API integration | Turn Your Imagination Into Reality! Peak ITECH Solution"
published: 2025-11-29T16:51:29+00:00
modified: 2026-07-01T00:23:27+00:00
language: en-GB
---

# Build custom Flutter apps for iOS, Android with Firebase gym & restaurant apps

**Are you looking for a Flutter developer who can transform your ideas into a smooth, modern, and fully functional hybrid app? You’re in the right place!**

We specialise in designing and developing high-performance **Flutter apps for both iOS and Android** using the latest tools and **Firebase integration.**

Whether you need a **gym tracking app**, **restaurant ordering app**, or a **fully functional business solution**, we’ll build it to fit your exact requirements.

**What You’ll Receive:**

- Responsive Flutter apps for iOS and Android
- **Admin dashboard** or panel integration
- Elegant UI/UX design tailored to your brand
- API integration and secure backend setup
- Error-free code and post-delivery support
- **Firebase** setup (Auth, Firestore, Storage, Notifications)

**Popular App Types We Build**

- Gym tracking & fitness apps
- Restaurant & food delivery apps
- E-commerce & booking apps
- Social, chat, or event apps
- Custom startup or business apps

Let’s collaborate to build a world-class Flutter app that gives your business a modern edge and helps you reach both Android and iOS users effortlessly. Based in London, England, Zinn Digital® delivers premium mobile app development solutions.

**Contact us today to get started with your project!**

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### This Zinn Will Include (BASIC PACKAGE )

Design modern, responsiveness UI/UX for your mobile app 10 screens, no API integration

**Delivery:** 7 days

**Revisions:** None

**Includes:**

• Functional Android app
• Functional IOS App

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### Upgrade Options

Choose an upgrade addon to get more features:

| Feature | Basic | Boost Upgrade | Premium Upgrade |
| --- | --- | --- | --- |
| **Delivery** | 7 days | 14 days | 30 days |
| **Revisions** | None | None | None |
| Functional Android app | ✓ | ✓ | ✓ |
| Functional IOS App | ✓ | ✓ | ✓ |
| App design | ✗ | ✓ | ✓ |
| App icon | ✗ | ✗ | ✓ |
| Include source code | ✗ | ✗ | ✓ |