Native Android apps
Kotlin from day one. Apps that feel natural on Android and run smoothly on modest devices.
Kotlin & Compose, made in‑house
Hand‑crafted Android apps that live on the phone
EKA knot s.r.o. builds pure Android experiences with Kotlin, Jetpack Compose, and full offline capability.
- Pure Android
- Works offline
- No ad identifiers
Offline readyZero third‑party trackersMaterial 3 design
- Pure Android
- Kotlin
- Jetpack Compose
- Offline first
- Accessibility
- Privacy first
What we build
All the pieces of an Android app, created in‑house from start to finish.
Compose UI
Declarative screens with Material 3, responsive layouts and subtle motion.
Offline data storage
Room and DataStore keep everything on the device, so the app works anywhere.
Battery & performance
We measure start‑up, jank and background work, then monitor Android Vitals after each release.
Accessibility built‑in
TalkBack labels, high contrast and large‑text support are part of the core.
Release & care
Signed builds, staged rollouts on Google Play and ongoing updates as Android evolves.
In practice
Glyph Tally
Glyph Tally follows the same recipe: native, quick to open and quiet about your data.
- Works without internet
- Stores data locally on your device
- Requests only needed permissions
- No accounts, ads or analytics SDKs
Our build flow
Four clear steps, each delivering something you can see.
Discovery
We define the problem, target users and any hard limits.
Architecture
We map screens, data flow and permissions before any production code.
Build
Kotlin, Compose and tests, delivered in incremental builds you can install.
Release & care
Staged rollout on Google Play, then monitoring, fixes and updates for new Android releases.
Technology
A modest toolbox that keeps the code easy to maintain.
Kotlin
Kotlin – concise, null‑safe code.
Coroutines & Flow
Coroutines & Flow – smooth 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 – lightweight dependency injection.
Gradle CI/CD
Gradle CI/CD – repeatable builds and checks.
Play Console
Play Console – staged rollouts and release tracking.
Our principles
Things we never compromise.
Zero tracking by design
We never add analytics, ad SDKs or fingerprinting.
On‑device first
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 clear contrast.
In plain words
What we do
What we never do
Create 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 unwanted features
Questions, answered
Common queries we hear first.
What does EKA knot s.r.o. do?
We design, build and support native Android apps that work offline and respect your data.
Which platforms do you support?
Android only. We focus on a single platform to deliver depth.
What do you do with user data?
Our apps keep data on the device. No analytics, no ad SDKs, no data sales.
How can I contact you?
Email widerrosemary@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.
About the studio
EKA knot s.r.o. builds the apps you see here. Below are the details behind our work.
- CompanyEKA knot s.r.o.
- DUNS986824533
- Address350 Výstavby Horoměřice, 252 62
- Phone+447909026729
- Websiteekaknot.ink
Say hello
Send a brief note about your project – your email app handles the rest.
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 each app’s full policy below.
- No personal data collected
- No advertising ID
- Delete the app, delete your data
Privacy policies