Health Metrics Widgets
Home Screen widgets for Apple Health data with multiple widget styles, including compact charts, designed to keep key health metrics visible in a clean and easy-to-read way.
View app details →Independent developer · Czech Republic
I build useful software with a focus on clarity, polish and native feel.
A personal portfolio for apps, software, websites and open-source projects — from published iOS apps and live web work to Windows applications and tooling, with Android projects in development.
Selected work
Things I make.
A selection of released apps, Windows software, open-source tools and live web projects, with new Android applications currently in development.
Apple platforms
iOS applications
Kočičí svátky
A simple app for cat lovers: add your cats, choose their names from a cat calendar, and instantly see when each cat celebrates its name day, including photos and notes.
View app details →
Můj radar
A Czech rainfall radar app with current precipitation, 6-hour history, short-term forecast, a smooth timeline, saved map points and customizable Home Screen widgets.
View app details →
Now Playing for Plex
A clean dashboard for Plex Media Server that instantly shows what is currently playing, including artwork, playback status, progress, remaining time, player and active user.
View app details →
Simple Countdown: Days
A lightweight countdown app for important dates. It shows the remaining time in days, weeks and 30-day months, clearly marks today or past events, and includes a Home Screen widget.
View app details →
TrayMate
A modern aligner wear tracker for iPhone that helps users track daily wear time, manage breaks, monitor progress and get reminders in a clean native interface.
View app details →
In preparation
Android
Android applications
New Android projects are currently in development. Published applications and Google Play links will appear here as they become available.
Windows
Windows applications
JarosView
A fast native image viewer for Windows 11 with JPEG XR support, HDR viewing, HDR-to-SDR conversion, color inspection and configurable SDR or HDR screenshots.
View app details → View in Microsoft Store ↗Windows · GitHub · Open source
Browser Gamma Fix
Chromium HDR SDR Gamma 2.2
A free Windows HDR gamma 2.2 runtime fix for ordinary SDR rendering in Google Chrome, Microsoft Edge, Brave and Vivaldi while Windows HDR is enabled. Native HDR and wide-gamut content remain preserved.
Formerly Gamma22Tray. Browser Gamma Fix runs quietly in the notification area and applies the correction only in process memory — browser files are never modified on disk.
Windows 11 x64
Chrome
Edge
Brave
Vivaldi
MIT
Stable v0.7.0
View source on GitHub ↗
Runtime correction active
Windows HDR pipeline
- SDR BT.709 / sRGB
- Gamma 2.2
- Native HDR / scRGB
- Preserved
- Display-P3 / wide gamut
- Preserved
- Browser files
- Untouched
- Correction method
- Process memory
Supported browsers
C Chrome
E Edge
B Brave
V Vivaldi
Web
Websites & online projects
Selected live websites, e-commerce projects and web tools.
01Fitness
BoBo GYM
24/7 fitness centre in Brno-Lesná with a practical, service-focused web presence.
bobo-gym.cz↗
02Corporate
Czech Soul
Corporate presentation for a Czech company focused on manufacturing, distribution and e-commerce.
czechsoul.cz↗
03E-commerce
GoldBee.cz
Czech fashion e-commerce for a Brno-based brand with local production and a large product catalogue.
goldbee.cz↗
04Weather
Můj radar
Web rainfall radar for Czechia with location support, animated history and forecast up to +60 minutes.
mujradar.cz↗
05Fashion
NotYours.
Fashion e-commerce for a Czech women’s basics brand with a bold editorial identity and small collections.
notyours.cz↗
About
Independent development, from idea to release.
I build focused software and web products from idea to release, with an emphasis on clear interfaces, native-feeling interactions and practical everyday use. Current work spans iOS, Windows applications, open-source tooling and web projects, with Android applications in development.
6 iOS appsPublished on the App Store
1 Windows appAvailable in Microsoft Store
1 open-source toolBrowser HDR runtime project
5 websitesLive web and e-commerce projects
Contact