iOS and Android apps, live on both stores
Hadidiz Flow builds cross-platform mobile apps that pass App Store and Google Play review and hold up with real users. Our apps include a medical terminology learning platform (MedLingo), a full social network (AVA), music apps that sync haptics to audio within milliseconds (AnyMusic and Musica Medica) and an AI hairline simulation app for clinics (GenHairator).
Measured and published by Freelancer.com, not by us. See the profile and all 53 reviews.
Mobile App Development services
Cross-platform apps
One codebase for iOS and Android in Flutter or React Native, with native modules where the platform demands it.
Store launch and subscriptions
App Store and Google Play submission, TestFlight, in-app purchases and subscriptions through RevenueCat or the stores directly.
Real-time and social features
Feeds, stories, direct and group chat, push notifications and media uploads, built on Firebase or Supabase.
AI features in apps
Image generation and editing, audio analysis and smart recommendations, with AI calls kept server-side so keys and costs stay under control.
Performance-critical apps
Audio, haptics and real-time timing work measured in milliseconds, tuned per device across Android motors and the iPhone Taptic Engine.
Backend and admin dashboard
The backend, database and admin dashboard behind the app, so your team can manage content and users without a developer.
Products we have shipped
Gamified Medical Terminology Learning App — Duolingo-Inspired, Published on iOS & Android
Built a full-featured medical learning app from scratch — SM-2 spaced repetition, gamified quizzes, global leaderboard, and dual-store launch
From Concept to App Store: A Full-Featured Social App Built on React Native & Firebase
A complete social platform — feed, stories, real-time chat, memories, and a biometric vault — shipped to both stores under a custom design language
Feel Every Beat: AnyMusic Brings Haptic-Synchronized Music to iOS & Android
From concept to a live app that lets people physically feel their music — on iPhone, iPad, Mac, and Android.
Precision Audio–Haptics Synchronization for a Cross-Platform Therapeutic Music App
Shipped a timing-critical audio + haptics MVP to both App Store and Google Play with calibrated sync controls
Natural Hairline Simulations From Real Photos for Hair Transplant Consultations
Shipped a clinic-ready hairline simulation app with reliable generations, secure AI calls, and App Store subscriptions
Launching a Minimalist iOS & Android App with Subscriptions, Push Notifications, and an Admin Dashboard
From concept to published cross-platform app—complete with monetization and centralized admin control
What cross-platform mobile development means
Cross-platform development means writing one app that runs natively on both iPhone and Android, using a framework such as Flutter or React Native. You get both stores from one codebase and one team, usually at a fraction of the cost of building two native apps. When a feature needs the platform directly (haptics, audio, camera or payments), we write native code for that part.
When to bring us in
- You want an app on both stores without hiring two native teams.
- Your app depends on something hard: real-time sync, precise timing, media or AI.
- You have a web product and your users are asking for an app.
- You need subscriptions or in-app purchases working from day one.
What a typical app build includes
- Designed screens and a consistent design system.
- Authentication, including Google Sign-In and Sign in with Apple.
- The backend, database and file storage.
- Push notifications, subscriptions and analytics.
- Store listings, review submission and launch on both stores.
- An admin dashboard when your team needs one.
From first call to launch
Scope call
30 minutes on who the app is for, the screens that matter and how it will make money.
Written scope and estimate
Screens and features for version one, the framework we recommend and why, milestones and cost.
Design and clickable flow
The core screens designed and wired into a flow you can try on your phone before the full build.
Build with test builds every milestone
TestFlight and Android test builds at each milestone, so you use the real app as it grows.
Store launch and support
Store listings, review submission, launch on both stores, then fixes and updates as real users arrive.
Questions we get asked
Flutter or React Native: which should we use?
Both are excellent for cross-platform apps, and we build in both. AVA, a social app with a custom design system, is built in React Native with Firebase; MedLingo, AnyMusic and Musica Medica are built in Flutter. We recommend one based on your features, your team and who will maintain the app after launch.
Do you handle App Store and Google Play submission?
Yes, from store listings and TestFlight to review and launch. MedLingo, AVA and Musica Medica all launched on both stores, and GenHairator shipped to the App Store with subscriptions.
Can our app include AI features?
Yes. GenHairator generates realistic hairline simulations from patient photos with secure AI calls and App Store subscriptions, and AnyMusic analyzes audio to drive haptic patterns. See our AI development services for the wider picture.
Can you build apps that need precise timing or hardware access?
Yes. Musica Medica synchronizes audio and haptics to under 50 ms, measured across very different Android and iPhone vibration motors, and AnyMusic reaches 16 ms haptic sync precision.
Do you build the backend and admin dashboard too?
Yes. Our apps run on Firebase or Supabase backends we build, and we add an admin dashboard when your team needs to manage content, users or subscriptions.
How do we get started?
Book a free 30-minute call through our contact page. Tell us who the app is for and what it must do; we will map version one and what it would take.
Planning an iOS or Android app?
Tell us who it is for and what it must do. In a free 30-minute call we will map the first version and what it would take to launch.
Book a free 30-minute callAlso: AI Development · SaaS Development