Kotlin
Kotlin – concise, null‑safe code that's easy to audit.
Native Android studio
Not cloud, but reliable offline performance
We design Android apps that work without connectivity. Built with Kotlin and Jetpack Compose, they keep data on the device and avoid hidden identifiers.
- Pure Android
- Offline ready
- No advertising ID
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- Pure Android
- Kotlin
- Jetpack Compose
- Offline first
- Accessibility
- Privacy by design
Our deliverables
From concept sketches to production releases, we handle every Android detail.
Native Android apps
Kotlin code from day one. Apps run smoothly on modest hardware.
Compose interfaces
Declarative UI with Material 3, adaptive layouts and purposeful motion.
Offline data handling
Room and DataStore store everything locally, keeping the app alive in tunnels or on trains.
Battery and performance
We profile start‑up, jank and background tasks, then monitor Android Vitals after each release.
Accessibility built‑in
TalkBack labels, high contrast and large‑text support are included from the start.
Release & long‑term care
Signed builds, staged rollouts on Google Play, and continuous updates as Android evolves.
Our app
Caravan Rota
Caravan Rota follows our core principles: native, fast to open, and silent about your data.
- Operates without network
- Stores all data locally
- Requests only required permissions
- No accounts, ads, or analytics SDKs
12:30
12:30
Streak7
Week
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Our workflow
Four phases from initial call to ongoing support. Each phase yields a tangible artifact.
Discovery
Define the problem, target users, and strict privacy limits.
Architecture
Sketch screens, data flow and permissions before any production code.
Build
Write Kotlin and Compose, add tests, and deliver incremental builds for review.
Release & care
Stage rollout on Google Play, monitor vitals, and provide updates for new Android releases.
One-way data flow: the interface observes state, and the repository owns the data.
Trusted toolset
A concise toolbox that keeps the codebase maintainable.
Coroutines & Flow
Coroutines & Flow – manage background work without callback chaos.
Jetpack Compose
Jetpack Compose – declarative screens that adapt to phones and tablets.
Room
Room – typed local database for reliable offline storage.
WorkManager
WorkManager – background jobs that respect battery constraints.
Hilt
Hilt – dependency injection that keeps modules testable.
Gradle CI/CD
Gradle CI/CD – repeatable builds and automated checks.
Play Console
Play Console – staged rollouts and release monitoring.
Our commitments
Four non‑negotiable rules guide every project.
0trackers in our apps
0advertising IDs used
100%of app data kept on the device
1platform we build for
Zero tracking by design
We never embed analytics, ad SDKs or fingerprinting.
On‑device processing
All data is processed and stored locally on the phone.
Battery discipline
Background work is measured and limited to preserve power.
Accessible interfaces
Screens support TalkBack, large text and optimal contrast.
Plain terms
What we do
What we never do
Build native Android apps in Kotlin
Sell or share personal data
Store user data on the device
Add advertising IDs or tracking SDKs
Explain every permission clearly
Hide behavior behind vague policies
Provide support after release
Ship features nobody asked for
Questions, answered
Brief answers about our process.
What does asaraoo.com do?
We design, develop, and maintain native Android apps focused on offline use and privacy.
Which platforms do you support?
Android only. We specialize deeply in this platform.
What do you do with user data?
All data stays on the device. We run no analytics, no ad SDKs, and we never sell data.
How can I contact you?
Email flavie8charpentier@gmail.com or use the contact form on this page.
Do you support apps after release?
Yes. We deliver fixes, adapt to new Android versions, and keep dependencies up to date.
Studio details
asaraoo.com is an Android development studio. Here are the people behind the code.
- Companyasaraoo.com
- AddressPOLYNICE C72 195 BD AEROPORT INTERNATIONAL MONTPELLIER, 34000
- Phone+48794912089
- Websiteasaraoo.com
Start a conversation
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Privacy, in short
Our apps collect no personal data, use no advertising ID, and contain no third‑party trackers. Everything remains on your device. See each app’s full policy below.
- No personal data collected
- No advertising ID
- Delete the app, delete your data
Privacy policies