Native Android apps
Kotlin from day one. Apps that feel at home on Android and run smoothly on modest devices.
Pure Android development
Lighthouse of Android – Simplicity
OCHO SP Z O O builds offline‑first Android experiences in Kotlin and Jetpack Compose. No trackers, no ad IDs, no hidden surprises after install.
- Built for Android
- Works offline
- No ad identifiers
0trackers in our apps
100%of app data kept on the device
1platform we build for
Our craft
From sketch to store, we handle every detail of native Android development.
Compose interfaces
Declarative UI with Material 3, adaptive layouts and thoughtful motion.
Offline data handling
Room and DataStore keep everything local, so the app works in a tunnel or on a plane.
Battery & performance
We profile start‑up, jank and background work, then monitor Android Vitals after each release.
Accessible design
TalkBack labels, high contrast and large‑text support are built in, not added later.
Long‑term care
Signed builds, staged Play rollouts and steady updates as Android evolves.
Our workflow
Four clear steps from first call to ongoing support. Each stage leaves a tangible artifact.
Discovery
We define the problem, target users and strict privacy rules.
Architecture
We map screens, data flow and permissions before any production code.
Build
Kotlin, Compose and tests, delivered in incremental builds you can try instantly.
Release & care
Staged Play rollout, continuous monitoring, fixes and updates for new Android releases.
One-way data flow: the interface observes state, and the repository owns the data.
Our app
Egg Drop
Egg Drop follows our recipe: native, quick to open and quiet about your data.
- Functions without a network
- Stores data locally on your device
- Requests only needed permissions
- No accounts, no ads, no analytics SDKs
Trusted tools
A modest toolbox that keeps our apps maintainable.
Kotlin
Kotlin – concise, null‑safe code that reviewers love.
Coroutines & Flow
Coroutines & Flow – clean async handling without callback chaos.
Jetpack Compose
Jetpack Compose – UI that adapts to phones and tablets.
Room
Room – typed local database for reliable offline storage.
WorkManager
WorkManager – background jobs that respect battery limits.
Hilt
Hilt – injection that keeps modules testable.
Gradle CI/CD
Gradle CI/CD – repeatable builds and checks on every change.
Play Console
Play Console – staged rollouts, vitals and release tracking.
Our guarantees
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 add analytics, ad SDKs or fingerprinting.
On‑device by default
All data is processed and stored on the phone.
Battery discipline
Background work is measured and kept to a minimum.
Accessible interfaces
Screens work with TalkBack, large text and sensible contrast.
Simple terms
What we do
What we never do
Build native Android apps in Kotlin
Sell or share personal data
Keep user data on the device
Add advertising IDs or tracking SDKs
Explain every permission clearly
Hide behavior behind vague policies
Support the app after release
Ship features nobody asked for
Questions answered
Brief answers about our approach.
What does OCHO SP Z O O do?
We design, build and maintain native Android apps focused on offline use and privacy.
Which platforms do you support?
Android only. We dive deep into one platform instead of spreading thin.
What do you do with user data?
Our apps store data locally, run no analytics or ad SDKs, and never sell data.
How can I contact you?
Email gertrudedavison9167@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 current.
Studio details
OCHO SP Z O O is an Android development studio. Meet the team behind the apps.
- CompanyOCHO SP Z O O
- DUNS539565332
- Address7 c Ul. Ludwika Solskiego Kraków, 31-216
- Phone+48794782018
- Websiteocho.lol
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 stays on your device. Read the full policy for each app below.
- No personal data collected
- No advertising ID
- Delete the app, delete your data
Privacy policies