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© 2026 8grams Technology. Surabaya, Indonesia.

Built for teams with something to ship.

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Mobile App Development

AI-native iOS and Android apps, built and shipped end to end.

Your cross-platform app ships with AI woven in (on-device ML, LLM-powered chat, voice transcription, computer vision, and smart recommendations) and we carry it all the way through App Store and Google Play submission. The result is an app that actually launches, not one that stalls before release.

  • Design that follows iOS HIG and Material Design
  • React Native or Flutter, picked to suit your use case
  • AI features built in: LLM chat, vision, voice, on-device ML
  • Store submission on both platforms, handled for you
Start a conversationSee how we work

Target platforms

iOS + Android

A production-grade mobile and AI stack, from UI to store submission

FlutterReact NativeTypeScriptFirebaseTensorFlow LiteAndroidiOS
What we deliver

Four capabilities, one mobile + AI team.

Design, engineering, AI integration, and store deployment all sit with the same team on the same build. That's how LLM features, on-device ML, and native experiences stop falling through the gaps between disciplines.

Design

Apps that feel native

Good mobile design comes down to one thing: your app feels right in the user's hand. Built to Apple's Human Interface Guidelines and Material Design, every tap, swipe, and transition feels like part of the platform.

  • Figma wireframes carried through to a pixel-accurate build
  • Built to iOS HIG and Material Design 3 conventions
  • Smooth 60fps animations and micro-interactions throughout
  • Accessibility on both platforms, considered from day one
Discover more
Cross-Platform

Android and iOS, both

One codebase, and no corners cut on either platform. You get React Native or Flutter chosen to suit your particular project, with the platform-specific details handled that most cross-platform builds get wrong.

  • React Native or Flutter, chosen honestly for your use case
  • Platform-specific behaviours done right on each OS
  • Push notifications, deep links, and biometric login
  • Performance benchmarked on real Android and iOS devices
Discover more
Backend & AI

A solid AI-ready foundation

Your app itself is only half the product. It relies on backend APIs, real-time services, and AI pipelines (LLM endpoints, RAG retrieval, vector search, and on-device ML) and we build all of it designed for mobile from the start, rather than borrowed from a web API and made to fit.

  • REST and GraphQL APIs shaped for how a mobile app consumes data
  • LLM and RAG pipelines with caching, rate limiting, and fallbacks
  • On-device ML with Core ML, TensorFlow Lite, or MediaPipe
  • Firebase, Supabase, or a custom Node or Python backend
Discover more
Deployment

Both stores, handled

Getting an app through App Store and Google Play submission trips up a lot of dev teams. The accounts, signing, screenshots, metadata, and review process are all taken care of for you. The point is to get you launched, not just built.

  • App Store Connect and Google Play Console set up end to end
  • Store listings, screenshots, and preview assets produced for you
  • Review feedback and rejections sorted out as part of the job
  • CI/CD configured so you can push OTA updates after launch
Discover more
What we believe

Four things we won't compromise on.

A lot of mobile shops skip platform-native design, ship AI as a marketing checkbox, or quietly leave store submission for the client to figure out. For us, all four are a fixed part of every project.

Design

Apps people come back to.

Your users delete apps without thinking twice. So your app is designed for the platform they're actually on, following iOS HIG and Material Design, which keeps every tap and transition feeling right. Get the design wrong and you've earned a one-star review before they even reach the feature you built.

  • Platform-native patterns, handled separately for iOS and Android
  • Three full rounds of Figma revisions before development starts
  • Motion design and micro-interactions both specified and built
  • WCAG 2.1 AA accessibility on both platforms
Cross-Platform

One codebase, no shortcuts.

Cross-platform shouldn't mean settling for the lowest common denominator. Your app is built in React Native or Flutter while still respecting what each platform expects: haptics on iOS, back-stack navigation on Android, and native modules in the places where JavaScript won't do the job.

  • React Native for JS-heavy teams, Flutter for UI-intensive builds
  • Native modules for camera, Face ID, fingerprint, and payments
  • Tested on physical Android and iOS devices before every release
  • OS version matrix agreed and tested at the start of the project
End to End

Live on both stores.

Your app doesn't stop at "works on my machine." We manage the App Store and Google Play submissions, write the store listing copy, produce the screenshots, deal with review feedback, and set up a CI/CD pipeline so your next release takes minutes.

  • Developer account setup on App Store Connect and Google Play
  • Store copy, keywords, and screenshots prepared for both stores
  • Binary signing, provisioning profiles, and release builds handled
  • A post-launch update pipeline, so you can ship without us
AI Features

AI that works in your user's hand.

Your AI features belong in a mobile app, not a chat widget wedged into a settings page. LLM-powered assistants with full app context, voice-to-text that handles Indonesian and English, on-device vision for receipts and ID cards, and personalization that learns from real usage. The model choice, prompt design, caching, and fallback behaviour are all part of the build.

  • LLM chat assistants with RAG over your app's data
  • Voice transcription, translation, and text-to-speech
  • Computer vision: OCR, document scanning, face and object detection
  • On-device ML for offline use with Core ML and TensorFlow Lite
Engagement

From first conversation to live on both stores.

Five steps that finish with your app live on both stores, your team trained, and a release pipeline that belongs to you.

01

Discover

Your users, the core flows, the platform choice, and what the backend needs to do all get mapped out. The scope is agreed in writing before any design work starts.

02

Design

Wireframes first, then high-fidelity Figma screens that follow iOS HIG and Material Design. You get three rounds of revisions and an interactive prototype before the build begins.

03

Build

Cross-platform development with AI features built in from the first sprint (LLM endpoints, on-device ML, vision, and voice) alongside automated tests, native integrations, and the backend APIs. We use AI in our own delivery workflow too, so code review, test generation, and refactors all move faster.

04

QA

We test on physical Android and iOS devices across the agreed OS matrix, profile the performance, check accessibility, and benchmark the crash-free rate.

05

Deploy

Store listings get produced, binaries get signed, and both stores get the submission. CI/CD is configured, and at handover the accounts and pipeline are yours.

FAQ

Common questions before you hire us.

Do you use React Native or Flutter?

We use both, and which one we pick depends on your project. React Native suits teams that already know JavaScript or want to share code with a web app. Flutter tends to be the better choice for custom UI, animation-heavy apps, or when startup speed on older Android devices is a concern. We'll tell you which one fits before the contract is signed.

How long does it take to build and submit a mobile app?

A well-scoped MVP usually runs 10 to 16 weeks from discovery through to store submission. Store review then adds another one to seven days on top. We always start with a scoping session, so you have a real timeline before you commit.

Do you handle App Store and Google Play submissions?

Yes, the whole thing. Account setup, store listings, screenshots, binary signing, the submission itself, and any review feedback or rejections that come back. You won't have to learn how Apple's or Google's submission process works.

Can you build on top of our existing backend?

Yes. We'll integrate with your existing API and build the mobile client on top of it. If the API needs work to suit a mobile app, such as smaller payloads, push hooks, or offline sync, we'll scope that and handle it as well.

Can you add AI features to a mobile app?

Yes, and we treat them as real features rather than a chat widget bolted on. We've built LLM-powered assistants with RAG over app data, voice transcription that handles Indonesian and English, OCR for receipts and ID cards, and on-device ML with Core ML and TensorFlow Lite for offline use. The model choice, prompt design, latency budget, caching, and fallback behaviour are all part of the build.

Do AI features run on-device or in the cloud?

Both, depending on what the feature needs. Lightweight inference such as image classification, OCR, or wake-word detection runs on-device with Core ML, TensorFlow Lite, or MediaPipe, which keeps it fast and works offline. Heavier work such as LLM chat or RAG retrieval goes through your backend with proper caching and rate limiting. We pick the split based on latency, privacy, and cost rather than picking one and forcing everything into it.

Who owns the code and accounts after launch?

You do, all of it. The source code, the repository, the App Store Connect and Google Play accounts, and the backend infrastructure are yours from the start and stay yours. At handover we transfer everything and walk your team through the codebase, the build setup, and the release pipeline, so you are never locked in to us.

Do you offer ongoing maintenance and OS-version updates?

Yes. Apple and Google ship new OS versions every year, and SDKs, libraries, and store policies shift underneath your app, so we offer monthly maintenance retainers that keep it building, compliant, and stable. That covers dependency upgrades, iOS and Android version testing, crash monitoring, and small improvements. If you would rather maintain it yourselves, the handover gives your team everything needed to do that.

Can the app work offline and send push notifications?

Yes to both. We build offline support with local storage and a sync layer that queues changes and reconciles them when the connection returns, so the app stays usable on a patchy network. Push notifications are set up end to end through APNs on iOS and Firebase Cloud Messaging on Android, including deep links that open the right screen when a user taps a notification.

How do you handle performance and post-launch updates?

We profile on real Android and iOS devices, watch cold-start time, frame rate, and memory, and track the crash-free rate after launch so regressions surface early. For updates, the CI/CD pipeline we set up lets you ship new builds to both stores quickly, and over-the-air updates can push many fixes without waiting on a full store review. You decide the release cadence and we leave you set up to keep shipping.

Learn

Concepts we build with.

Agile

Trunk-based Development

Trunk-based development keeps every developer working on one main branch with frequent, small commits and an always-releasable trunk. Here's how it works, why it fits Agile and CI/CD, and its trade-offs.

Read
Agile

Automation Testing

Automation testing runs tests automatically so teams can ship quickly with confidence. Here's what it is, the main types of software tests, the testing pyramid, and why it's essential for Agile and CI/CD.

Read
DevOps

Feature Flags

A feature flag turns features on and off at runtime without changing code, so you can release safely, test in production, and roll back instantly. Here's what feature flags are and how to use them.

Read
Portfolio

Related portfolio

Mobile apps whose users keep coming back, shipped for clients like you.

ImpactPlus

ImpactPlus

Platform Development

10K+Transactions Processed

"ImpactPlus needed a unified platform that rewards users for every purchase at partner merchants and delivers a seamless event experience, from ticket booking through to entry."

sveltekitcapacitor
Vorme

Vorme

Deployment Speed

60%Deployment Speed

"As an early-stage startup, Vorme needed to ship customer feedback quickly. Speed of development was the deciding factor in whether users would adopt the product."

kotlin-multiplatform
Free · no obligation

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Drop your email (and a link to review, if you have one) and we'll send back a short, practical review: the quick wins and the risks we'd tackle first. No call required, no sales pitch.

No spam. We reply within one business day.

Contact Us

Have an app idea? Let's ship it.

Tell us what you're building. We'll reply within 1x24 working hours with a straight read on scope, timeline, and budget. There's no commitment in asking.

Email

[email protected]

Office

Surabaya, Indonesia

Starting price

From USD 4,000

Typical projects: USD 4,000–25,000

Tell us about your project

We'll reply within one business day, and we won't put you through a sales pitch.

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