Native Android studio

Garden-grown Android apps that respect privacy

At CHAKI we build every Android app offline-first, without trackers or advertising IDs, and test each feature on real devices.

  • Pure Android
  • Offline by design
  • No ad identifiers
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Noodle Fill
Offline defaultZero third‑party trackersMaterial You UI
  • Pure Android
  • Kotlin
  • Jetpack Compose
  • Offline first
  • Accessible
  • Privacy built in

Our app

Noodle Fill

Noodle Fill follows the same rules: native Android, quick launch, and no data leaves the device.

  • Works offline
  • Data stays in local storage
  • Requests only needed permissions
  • No accounts, ads, or analytics SDKs
  • Android
  • Offline‑first
  • No ad ID
  • Kotlin
Read the privacy policy
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Noodle Fill
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Noodle Fill
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Noodle Fill

Non‑negotiables

Four rules we never bend.

Zero tracking

No analytics, ad SDKs or fingerprinting.

On‑device first

All data stays and is processed on the phone.

Battery respect

Background work is measured and kept minimal.

Accessibility by default

Interfaces work with TalkBack, large text and proper contrast.

0trackers in our apps
0advertising IDs used
100%of app data kept on the device
1platform we build for

What we deliver

Full‑stack Android solutions, built from concept to long‑term support.

Native Android builds

Kotlin code that runs smoothly on modest devices and feels at home on Android.

Compose interfaces

Declarative UI with Material 3, responsive layouts and subtle motion.

Local‑first data

Room and DataStore store everything on the device, so the app works everywhere.

Power‑aware performance

We measure start‑up, jank and background work, then tune with Android Vitals.

Built‑in accessibility

TalkBack labels, high contrast and scalable text are included from the start.

Release & upkeep

Signed packages, staged Play rollouts and ongoing updates for new Android releases.

Our workflow

Four stages from first call to ongoing care, each delivering a tangible artifact.

  1. Discovery

    Define the problem, target users, and forbidden behaviours.

  2. Architecture

    Map screens, data flow and permissions before writing production code.

  3. Build

    Compose, Kotlin and tests assembled into incremental builds you can install.

  4. Release & care

    Staged Play rollout, monitoring, fixes and updates for new Android versions.

UIComposeViewModelStateFlowRepositorysingle sourceStorageRoom · DataStore

One-way data flow: the interface observes state, and the repository owns the data.

In plain words

What we do

  • Create native Android apps in Kotlin
  • Store user data locally
  • Explain every permission clearly
  • Maintain apps after launch

What we never do

  • Sell or share personal data
  • Add advertising IDs or tracking SDKs
  • Obscure behavior behind vague policies
  • Ship unwanted features

Common questions

Clear answers, no fine print.

What does CHAKI do?

We design, build and maintain Android apps with offline use and privacy as defaults.

Which platforms do you support?

Android only – we specialize in one platform.

What do you do with user data?

Data stays on the device; we never run analytics or sell information.

How can I contact you?

Email wirthslim@gmail.com or use the contact form on this page.

Do you support apps after release?

Yes. We provide fixes, adapt to new Android versions and keep dependencies current.

Tools we trust

Key technologies we apply to every project.

Kotlin

Kotlin – concise, null‑safe code.

Coroutines & Flow

Coroutines & Flow – clean async and state handling.

Jetpack Compose

Jetpack Compose – adaptive declarative UI.

Room

Room – typed local database for offline storage.

WorkManager

WorkManager – reliable background jobs respecting battery.

Hilt

Hilt – modular dependency injection for testability.

Gradle CI/CD

Gradle CI/CD – repeatable builds and checks.

Play Console

Play Console – staged rollouts and vitals tracking.

About the studio

Meet the team behind CHAKI and the apps we craft.

Talk to us

Send a brief note about your project – your email client does the rest.

wirthslim@gmail.com

Privacy, in short

Our apps collect no personal data, use no advertising ID and contain no third‑party trackers. Everything stays on your device. See the full policy for each app below.

  • No personal data collected
  • No advertising ID
  • Delete the app, delete your data