Okraj
Always at hand, never in the way. A note at the edge of the Mac screen — pin it to an app or website, with iCloud sync to iPhone.
JINÝ ÚHEL
iPhone and Mac apps from a different angle.
I'm building my own apps for iPhone and Mac. Okraj and Hlídač termínů are already on the App Store — hear about the others here first, and there's room for your idea.
- Privacy from day one
- Native feel
- iPhone and Mac
Apps
These are the apps I'm working on right now. Filter them by iPhone, Mac, or both.
Úklid
Safe cleaning for your Mac. Finds caches, logs, developer junk, app leftovers, duplicates and large files. Nothing is deleted permanently: everything goes to the Trash first and you can restore it from History. Works offline.
In the works
KalWall
Calendar and reminders right on your Lock Screen wallpaper, with Czech holidays and name days. Two custom looks: Photo Diary with text on your own photo, and Calendar Page styled like a tear-off calendar.
In the works
KROK
Tasks and projects on your own Mac. Type a task in one sentence, track time as you work, and keep your data with you. No account, no network, one-time purchase, no subscription.
Photo Forge
A full-window photo workshop — not a cursor ring. Drop files onto the action wheel: convert, crop, compress, watermark, background removal, OCR, scan to PDF. Workflows and watched folders; originals stay. Offline on Mac.
Zářez
The MacBook notch, finally useful. Music, today’s meetings, tasks in plain language, bus and train departures, weather and clipboard — one hover away. Czech and English.
In the works
MenuFaktura
Issue an invoice with a QR payment in a minute, right from the Mac menu bar. Watches the VAT limit and the flat-rate tax band. Your data stays with you. For Czech sole traders, in Czech.
Hlídač termínů
Keep track of Czech sole-trader tax and insurance deadlines offline on iPhone and Mac. In Czech.
In the works
Daňovač
Estimates the 2026 tax refund or underpayment for employees. Walks you through credits and deductions, keeps track of deadlines and stores documents. A Czech-language app.
Okraj and Hlídač termínů are already on the App Store. Leave me your email and I'll let you know when the others come out.No apps for this platform yet.
In the works
A short log of what I'm working on.
- Shipped
Úklid
Safe Mac cleaning — caches, logs, developer junk, app leftovers, duplicates and large files. Nothing is deleted permanently: Trash first, restore from History. Free download for Mac.
- Shipped
Photo Forge
A full-window photo workshop — action wheel, workflows and watched folders. Separate from FotoDílna (the cursor ring). Free download for Mac.
- Shipped
Zářez
The MacBook notch, finally useful — music, today, plain-language tasks, departures, weather and clipboard. Free download for Mac.
- Development
KalWall
Calendar and reminders right on your Lock Screen wallpaper — with Czech holidays and name days. Two looks: Photo Diary and Calendar Page.
- Development
FotoDílna
Photos at your cursor, no windows — a native macOS tool with ⌃⌥F: JPEG, web export, GPS removal, crop, resize, PDF and ZIP. Originals stay intact, everything offline.
How apps come together
Intentions I aim to follow — not promises about a finished product. With Okraj you can judge for yourself; with the ones still coming, you'll see whether I keep them when they ship.
Privacy
I want to collect only what an app needs to work, and say so clearly. No hidden tracking as a design goal.
Simplicity
Fewer features that hold together beat a crowded screen. Every step should make sense the first time.
Native feel
For iPhone and Mac I want platform habits — gestures, typography, system patterns — not a web imitation.
ABOUT
About
I'm Karel Matusiak. Under the name Jiný úhel I independently design and build apps for iPhone and Mac — primarily for Czech users.
I want apps in Czech, for everyday situations here: the things global apps often miss or only half-localize. With care for thoughtful design, privacy, a native feel on Apple platforms, and careful details.
Less clutter, more calm and clarity. If you'd like to write, reach me at [email protected].
Contact[email protected]
COMMISSIONS · IDEA
Have an app idea?
If you have a commission, a collaboration, or just a thought worth trying on iPhone or Mac, write to me. I review messages by hand — nothing is published automatically.
Send an idea or request