Service 02 · Mobile App Development

Mobile apps your users keep, not uninstall

Pristine builds native and cross-platform mobile apps for Android and iOS. From first prototype to App Store and Play Store release, we design apps that are fast on everyday phones, work on patchy networks and give people a reason to open them again — built by a small senior team you talk to directly.

02
iOSAndroidCross-platform

Overview

Native vs cross-platform: how we choose

Mobile app development covers everything from the screens people tap to the APIs, notifications and analytics behind them. The first decision is how to build: natively in Swift and Kotlin, or cross-platform with React Native or Flutter from a single codebase.

Cross-platform is the right call for most products — one team, one codebase, both stores, and much faster iteration. Native makes sense when you need deep hardware access, heavy graphics or platform-specific features from day one. We recommend one honestly based on your product, budget and roadmap, not on what's easiest for us.

In India, most of your users are on mid-range Android phones with limited storage and variable connectivity. So we keep app size small, cache aggressively, design for offline states and test on real low-end devices — not just the latest iPhone.

Capabilities

Mobile App Development services we offer

01

Cross-platform apps

React Native and Flutter apps that share one codebase across iOS and Android without feeling generic.

02

Native iOS & Android

Swift and Kotlin apps when performance, hardware access or platform features demand it.

03

MVPs & prototypes

Clickable prototypes and lean first releases to validate an idea with real users quickly.

04

Backend & APIs

Authentication, push notifications, real-time sync and admin panels to run the app behind the scenes.

05

In-app payments

UPI, cards, wallets and subscriptions through Razorpay, Stripe or store billing where required.

06

App rescue & upgrades

Stabilising crash-prone apps, upgrading old frameworks and improving ratings and retention.

Tools & technology

The stack behind our app work

Cross-platform
React NativeExpoFlutter
Native
SwiftSwiftUIKotlinJetpack Compose
Backend
Node.jsFirebasePostgreSQLPush notifications
Release
App Store ConnectGoogle Play ConsoleOTA updatesCrash reporting

Process

How we deliver mobile app development

  1. 1

    Product workshop

    We define the core user journey, the features for version one and what can wait, then fix the scope and quote.

  2. 2

    Prototype & test

    A clickable prototype goes on your phone early, so you and real users can try the flow before we build it.

  3. 3

    Build in sprints

    Weekly test builds via TestFlight and Play internal testing, with progress you can install and feel.

  4. 4

    Store launch & growth

    We handle store listings, review guidelines and release, then monitor crashes, ratings and retention.

Who it's for

Built for teams like yours

We work with startups, SMEs and enterprises across India and Southeast Asia — in retail, fintech, healthcare and logistics.

Founders with an app idea

Turn an idea into a tested MVP you can show users and investors, without hiring a full in-house team.

Businesses going mobile

Give your customers a dedicated app for ordering, booking, tracking or support.

Teams with a struggling app

Fix crashes, poor reviews and slow releases on an app that's already live.

FAQ

Mobile App Development: frequently asked questions

Should I build a native or a cross-platform app?

For most products, cross-platform (React Native or Flutter) is faster and more cost-effective because one codebase serves both iOS and Android. We recommend native when you need heavy graphics, advanced hardware access or platform-specific features from the start.

How long does it take to build a mobile app?

A focused MVP is typically a matter of weeks to a few months, depending on features, integrations and design complexity. You get a milestone plan after the discovery call and a new test build every week.

Will you publish the app to the App Store and Play Store?

Yes. We prepare the store listings, handle review guidelines and submit the app — under developer accounts in your company's name, so you always own the listing.

Can the app work offline?

Yes. We design offline states and local caching so key screens keep working on weak connections and sync when the network returns.

Do you maintain apps after launch?

Yes. Every engagement includes post-launch support, and we offer ongoing maintenance for OS updates, new features and store policy changes.

Related services

Often paired with

Let's talk about your app project

Tell us what you need. In a free 30-minute call we'll tell you honestly how we'd approach it — and whether we're the right fit.