Mobile App Development with
Play Store Support — A to Z Guide

Why Your Business Needs a Mobile App

A mobile app puts your business in your customer's pocket — always accessible, always branded, always one tap away. Unlike a website (which requires the user to remember your URL and open a browser), an app icon sits on the home screen as a constant, branded touchpoint.

For internal operations, a mobile app for your staff — field agents, delivery personnel, teachers, doctors — dramatically improves data entry accuracy and real-time visibility. Instead of calling in updates or entering data later from memory, staff update the system live from wherever they are.

Android vs iOS vs Cross-Platform

Choosing the right platform is the first architectural decision in any mobile project:

• Android (Kotlin/Java) — Native Android app. Best performance, full access to all device features. Right choice if your users are exclusively Android (very common in Indian B2C).
• iOS (Swift/Objective-C) — Native iOS app. Required for Apple App Store. Choose if your audience includes iPhone users (common in premium B2C, urban professionals).
• React Native — JavaScript-based cross-platform. One codebase, deployed to both Android and iOS. ~85% code sharing, near-native performance. Best value for most business apps.
• Flutter (Dart) — Google's cross-platform framework. Pixel-perfect UI, excellent performance. Good choice for apps with heavy custom animations.

Our recommendation for most Indian businesses: React Native for cross-platform, or Android-only if your user base is exclusively mobile Android users.

The App Development Process

1. Requirements & Scoping — We document every screen, user flow, API requirement, and integration. This becomes the contract — you know exactly what you're getting.
2. UI/UX Design — High-fidelity Figma mockups of every screen. You approve the design before any code is written.
3. Backend API Development — If the app connects to a server (which most do), we build or connect to the REST/GraphQL APIs that power the app's data.
4. App Development — Iterative builds delivered every 2 weeks. You get a test build (APK or TestFlight) to review on your actual device throughout development.
5. QA & Testing — Testing on physical devices across multiple Android versions, screen sizes, and network conditions.
6. Play Store / App Store Submission — We handle the entire submission process. See the dedicated section below.
7. Launch & Monitoring — We monitor the app's crash reports and performance in the first weeks after launch and address any issues immediately.

UI/UX Design for Mobile

Mobile UI/UX is fundamentally different from web design. Key principles we follow:

• Thumb-friendly design — primary actions are in the bottom half of the screen where thumbs naturally reach
• Minimum tap target size of 48dp — buttons and links are large enough to tap accurately
• Offline states — every screen has a graceful state for when there's no internet connection
• Loading skeletons — skeleton screens shown while data loads, preventing jarring blank screens
• Android Material Design guidelines — our Android apps follow Google's official design language, which users already know and trust

Backend & API Development

Most apps are just a beautiful interface for a database. The backend handles authentication (login/logout), data storage, business logic, push notifications, and third-party integrations. At Uniums we build backends using:

• Node.js (Express/Fastify) — for high-concurrency real-time features
• Laravel (PHP) — for complex business logic and rapid development
• Firebase — for real-time sync, authentication, and push notifications (ideal for simpler apps)
• MySQL / PostgreSQL — relational databases for structured business data

If you already have a web platform built by Uniums, the mobile app connects to the same backend — no duplication of work or data.

Testing Before Launch

We test on a minimum of 5 physical Android devices representing different manufacturers (Samsung, Xiaomi, Realme, OnePlus, older budget phones) and Android versions (9 through 14). Testing covers:

• Functional testing — every screen and user flow
• Network testing — behaviour on 2G, 3G, 4G, and offline
• Performance testing — memory usage, battery drain, scroll performance
• Security testing — token storage, API authentication, data encryption
• Play Store policy compliance — content, permissions, privacy policy requirements

Play Store Submission & Support

Play Store submission is more complex than most clients expect. Our Play Store support includes:

• Signing the APK/AAB with a production keystore (which we safeguard for future updates)
• Writing an optimised store listing — title, short description, full description, and keyword strategy
• Creating required screenshots (phone and 10" tablet) and a feature graphic
• Setting up content rating questionnaire and data safety form
• Submitting the app and managing Google's review process (1–7 days)
• Resolving any policy rejections and resubmitting until approved
• Managing future update submissions as part of the maintenance contract

Post-Launch: Updates & Maintenance

An app is never "done." Operating system updates, device changes, and evolving user needs require regular maintenance. Our annual maintenance contract (AMC) covers:

• Compatibility updates for new Android versions
• Bug fixes and performance improvements
• Play Store policy compliance updates (Google updates policies regularly)
• Minor feature additions (larger additions are quoted separately)
• Server monitoring and database backups (if backend is hosted by us)

FAQ