Pure Android development

Apps that live on the phone, not in the cloud

We design offline‑first Android experiences in Kotlin and Jetpack Compose. No hidden trackers, no ad IDs, no surprises after install.

  • Android-native
  • Offline-first
  • No advertising ID
Works offline Zero trackers Material 3 UI
12:30
Cosmo Match

Our deliverables

From sketch to release, we handle the tedious parts so the app works reliably.

Native Android apps

Kotlin from day one. Apps that feel at home on Android and run on modest devices.

Compose UI

Declarative screens with Material 3, adaptive layouts and smooth motion.

Offline‑first data

Room and DataStore keep everything on‑device, so the app runs on a plane or in a tunnel.

Battery & performance

We profile start‑up, jank and background work, then monitor Android Vitals after each release.

Accessibility

TalkBack labels, proper contrast and large‑text support are built in from the start.

Releases & care

Signed builds, staged rollouts on Google Play and regular updates as Android evolves.

Our workflow

Four steps from the first call to long‑term support. Each step leaves a tangible artifact.

  1. Discovery

    We define the problem, target users and the behaviours the app must avoid.

  2. Architecture

    We draft screens, data flow and permissions before writing production code.

  3. Build

    Kotlin, Compose and tests delivered in small builds you can install and try.

  4. Release & care

    Staged rollout on Google Play, then monitoring, fixes and updates for new Android releases.

UIComposeViewModelStateFlowRepositorysingle sourceStorageRoom · DataStore

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

12:30
Cosmo Match

Our app

Cosmo Match

Cosmo Match follows our blueprint: native, quick to launch and quiet about your data.

  • Functions without a network
  • Stores data locally on the device
  • Requests only needed permissions
  • No accounts, no ads, no analytics SDKs
  • Android
  • Offline-first
  • No advertising ID
  • Kotlin
Read the privacy policy

Tools we trust

A small, deliberately plain toolbox that keeps apps easy to maintain.

Kotlin

Concise, null‑safe code that is easy to review.

Coroutines & Flow

Background work and state without callback tangles.

Jetpack Compose

Declarative screens that adapt to phones and tablets.

Room

Typed local database for offline data.

WorkManager

Reliable background jobs that respect battery limits.

Hilt

Dependency injection that keeps modules testable.

Gradle CI/CD

Repeatable builds and checks on every change.

Play Console

Staged rollouts, vitals and release tracking.

Our commitments

Four rules we never bend, no matter the 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 add no analytics, ad SDKs or fingerprinting.

On‑device by default

All user data is processed and stored on the phone.

Battery discipline

We treat background work as a cost and measure it.

Accessible interfaces

Screens work with TalkBack, large text and sensible contrast.

Plain 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 in plain words
Hide behaviour behind vague policies
Support what we ship after release
Ship features nobody asked for

Questions, answered

Brief answers about how we work.

What does MODRO SP Z O O do?

We design, build and maintain native Android apps, focusing 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 keep data on the device. We run no analytics or ad SDKs and never sell data.

How can I contact you?

Email ivakelib895@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

MODRO SP Z O O is an Android development studio. Meet the team behind the apps.

Start a conversation

Tell us about your project. Your email app opens with a prepared message.

ivakelib895@gmail.com

Privacy, in short

Our apps collect no personal data, use no advertising ID and include 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