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Service · Mobile

Mobile Applications users keep on their home screen.

Native-feel iOS and Android apps with offline-first sync, push notifications, Bluetooth, payments and app store submission handled end-to-end.

Typical timeline: 6 – 16 weeks. Engagement: fixed scope or milestone-based.

Native iOS and Android app built by Sdesizns — home dashboard, live voice call and daily plan screens
What you get

One codebase. Two app stores. No compromises.

Built with native modules where they matter and shared logic where they do not.

iOS + Android apps

React Native or Flutter with native modules for camera, Bluetooth and biometrics where it counts.

Push notifications

FCM + APNs, rich payloads, deep links, scheduling and per-user channels with delivery analytics.

Offline-first sync

WatermelonDB or SQLite with conflict resolution so the app works in low-connectivity environments.

App store submission

TestFlight, internal track, screenshots, listing copy, review responses — we own the submission.

Crash analytics

Sentry / Crashlytics + Firebase Performance, with release-health dashboards and on-call alerting.

Native modules

Bridge into Swift / Kotlin for SDKs that do not have RN / Flutter bindings — printers, scanners, IoT.

Who it is for

Three app audiences. One disciplined delivery.

Consumer, internal-ops and marketplace apps fail for different reasons — so the UX, auth model and release cadence change while the engineering discipline stays the same.

Audience 01

Consumer apps

Every session is optional, so the UX has to earn it: fast onboarding, polished motion and empty states that guide instead of confuse. Auth is low-friction — OTP, social sign-in and biometrics. Releases ship frequently, with over-the-air updates and staged rollouts so a bad build never reaches your whole user base.

Audience 02

Internal-ops apps

Field staff and back-office teams need dense, task-first screens, offline capture and one-hand operation — not marketing polish. Auth follows your organisation: SSO, role-based access and device-level controls. Releases run on a scheduled cadence with enterprise or internal-track distribution, so training and rollout stay in sync.

Audience 03

Marketplace & multi-sided apps

Two or more audiences — customer, provider, admin — share one platform but need distinct interfaces built on a shared core. Auth adds per-role verification and KYC where money moves. Releases are coordinated across every app in the fleet, because a customer-side change that breaks the provider app breaks the business.

Under the hood

Every app is three layers of work.

We scope and staff each layer explicitly, so nothing is discovered mid-build.

Frontend

What users touch

React Native, Flutter or native Swift / Kotlin UI — navigation, animation, gestures, accessibility and the state layer that keeps screens honest.

Middleware

What connects it

APIs, authentication and session handling, background queues, push delivery and third-party integrations — payments, maps, messaging, analytics.

Backend

What keeps it running

Databases and data models, file and media storage, infrastructure, observability and the sync engine behind offline-first behaviour.

Capabilities

Native features we ship in production builds.

Every capability below is wired into apps shipping today — not a marketing list.

Background services

Foreground service + Doze-aware ping so users stay online without battery drain.

Turn-by-turn nav

Mapbox / Google integration with offline tile caching for low-signal zones.

Real-time KPIs

WebSocket-pushed metrics with delta colour-coding and tap-through drill-downs.

Native charts

Victory / React Native Skia for 60fps charts even on entry-level Android.

Skeleton loaders

Sub-300ms perceived load with native splash, prefetch and skeleton screens.

Offline-first

SQLite + sync queue keeps orders, history and cart usable on flaky 2G.

Instant payouts

UPI / bank transfer with daily settlement, in-app wallet and tax-ready reports.

Role-based UI

Tabs, KPIs and actions shown / hidden by role at compile time.

Developer testing a mobile app build on a physical smartphone
Inside the build

Tested on real devices, not just simulators.

Every release candidate is exercised on physical iPhones and Android handsets before it ships.

  • Device lab QA. Builds are verified on real iOS and Android hardware across screen sizes, OS versions and low-network conditions.

  • Store submission handled. App Store and Google Play listings, review cycles and release management are part of the engagement — not an extra.

  • One codebase, native feel. React Native or Flutter architecture validated against your roadmap, with native modules where performance demands it.

How we work

Five phases. Weekly demos. No surprises.

A predictable path from brief to launch — with documented hand-offs at every milestone.

  1. 1

    Discover

    Goals, users, constraints, success metrics — locked in writing.

  2. 2

    Design

    User journeys, wireframes, hi-fi UI, prototype, design system.

  3. 3

    Build

    Sprint cadence, weekly demos, code review, automated tests.

  4. 4

    Launch

    Staging UAT, security review, CI/CD, monitored go-live.

  5. 5

    Scale

    SLA support, observability, feature roadmap, optimisation.

Screens & features

Tap any dot to explore the features.

A representative customer experience — every dot is a real capability we ship in production apps.

9:41 ONLINE
Good morning
Riya Sharma
Search restaurants, grocery…
Food
Mart
Ride
Send
Active order
Arriving in 12 min
Wallet
₹ 1,840
Settled daily
Home
Orders
Reorder
Me
Feature
1 / 6

Smart personalisation

Locale, time-of-day and ML-ranked recommendations on the home feed.

Tap a dot on the phone — or tab to it with your keyboard — to explore each capability. Every feature shown ships in production builds.

Tech we use

A modern mobile stack, end to end.

From CI/CD to over-the-air updates and store automation.

React Native Flutter Swift SwiftUI Kotlin Jetpack Compose Expo EAS Firebase Realm WatermelonDB SQLite Sentry Fastlane App Store Connect Play Console OneSignal Stripe SDK Razorpay SDK
FAQ

Common questions, answered.

React Native, Flutter or native — which should we pick?

For most product apps, React Native or Flutter ship 30-50% faster with no UX penalty. If you need heavy native UI or low-level platform APIs (AR, ML inference, audio DSP), we go native. We pick after a 1-day technical discovery.

Do you handle the app store review process?

Yes. We submit, respond to reviewers, and resubmit on rejections. Most apps clear review in the first attempt because of pre-submission audits.

Can the app work without internet?

Yes. Offline-first is our default for field-staff and retail apps — with a sync engine, conflict resolution and a visible sync status indicator.

Do you do over-the-air updates?

Yes — CodePush, EAS Update or Expo Updates for JS bundle updates without a store review. Native changes still go through the store.

What about white-label, multi-tenant builds?

Build flavours / schemes per tenant, automated builds in EAS or Fastlane, separate bundle IDs and signing — everything you need to ship 10 white-label apps from one repo.

Experience
0
years shipping since 2011
In production
0
products live in production
Offices
0
offices — India & USA

Ready to start?

Tell us about the project. We will reply within one business day with a proposal and timeline.