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Mobile Development

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Mobile Development.

Indonesia is a mobile country. Not 'mobile-first' — mobile only for tens of millions of users. We build iOS and Android apps for that reality: mid-tier Android device performance, 3G-to-5G network variance, offline-tolerant flows, Bahasa and regional-language readiness, and the small UX details that make the difference between retention and the uninstall button.

iOSAndroidCross-PlatformPerformance-Budgeted

Apps built for devices your users actually have

Most mobile development outside SEA assumes a flagship iPhone, fast Wi-Fi, and a developer who uses their own app weekly. We build for the opposite assumption — a two-year-old Android, a spotty 3G signal, a user who only opens the app when they need it. Native iOS, native Android, Flutter where it fits, with performance budgets designed in and measured on real devices. Cold-start time, binary size, crash rate, battery impact — the metrics our engineering team tracks from sprint one.

93%+
Indonesian mobile users on WhatsApp — mobile isn't a channel; it's the product surface
Android-dominant
Majority of Indonesian smartphone users on Android at mid-tier price points — our performance target, not an edge case
8+
Years of Sprout mobile delivery across regional ventures and enterprises
<3s
Cold-start target for our mobile builds on mid-tier Android — performance budget, not an aspiration

How we build mobile apps that retain, not just launch

Four phases shaped by the realities of SEA devices, networks, and user expectations.

01

Discover

Device and network audit: which devices your users actually hold, which network conditions they use the app in, which features they rely on daily. We instrument telemetry before the first line of product code so we're tuning to real data, not idealized environments.

02

Design

Product and platform decisions together. Native iOS vs. Android vs. shared-core (Flutter) — we pick per product, not per dogma. Platform-appropriate UI, shared business logic, performance budgets baked into architecture decisions.

03

Build

Senior mobile engineers, embedded with your team. CI/CD, instrumentation, analytics, crash reporting, and feature flagging from sprint one. We ship to internal testing weekly, to beta in weeks, to stores when the product clears its quality bar.

04

Scale

Release cadence, telemetry-driven iteration, platform SDK upgrades, store policy management. Your team gets the codebase, the release pipeline, and the monitoring dashboards — and direct access to ours for as long as the app keeps shipping.

What we build

Four disciplines that together make mobile a compounding channel, not a launch-day artifact.

Native iOS & Android

Swift / Kotlin. Platform-appropriate patterns, interaction design, system integration. When the product needs native performance, native platform APIs, or native platform identity, we build native — with the craft that makes each platform feel like itself.

SwiftKotlinPlatform SDKsSystem Integration

Cross-Platform (Flutter)

When shared business logic compounds across platforms and product velocity matters, we build with Flutter. With the same performance discipline as native — not a compromise.

FlutterShared CorePerformance Parity

Mobile Performance Engineering

Cold-start time, memory, binary size, battery impact, crash rate, ANR rate. Not optimized at the end — designed in from the start. Tested on the devices your users actually hold, not the CI runner.

Performance BudgetsOn-Device ProfilingRelease InstrumentationCrash Hygiene

App Store Readiness & Release Discipline

Apple App Store and Google Play policy compliance, localized listings, staged rollouts, crash-rate gates, and the release discipline that keeps apps shipping without incidents.

Store PolicyLocalized ListingsStaged RolloutsRelease Gates

Mobile in action

Products shipped, retained, and measured on real SEA devices.

SPROUT WORK

Mobile-first financial tools for warung and micro-businesses

A mobile application built for Indonesian micro-enterprises running on mid-tier Android — offline-tolerant transactions, Bahasa-first UI, WhatsApp export for bookkeeping, lightweight install footprint so the app runs on devices with limited storage.

ShippedAt scale across Indonesia
SPROUT WORK

A mobile commerce experience tuned for SEA network conditions

Product browse, cart, and checkout flows engineered for low-bandwidth connections common in Indonesian and Vietnamese markets. Aggressive asset optimization, offline-tolerant state, and regional payment integrations delivered across iOS and Android.

PublishedCase on sprout.co.id
MARKET BENCHMARK

A generation of users for whom mobile is the internet

For tens of millions of Indonesian users, mobile isn't a channel; it's the entire digital experience. Banking, commerce, health, government services — all done on mid-tier Android over variable network conditions. Mobile product decisions compound in ways that web-first companies can't recover from without a redesign.

93%+Indonesian mobile users on WhatsApp

What mobile app are you building, or saving?

Tell us the state: a new mobile product, a rebuild, a platform parity effort, a performance remediation. We'll scope a starting engagement sized to the problem, with performance budgets and telemetry in scope. Worst case, you get a clear no. Best case, you get a mobile partner who ships weekly on both platforms and measures retention, not just downloads.

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