Thoughtful design, modern technology and artificial intelligence combined into solutions that make everyday life and professional workflows noticeably easier – from long-established iOS and iPadOS apps to AI-assisted developer tools for macOS.
The latest updates and announcements about our apps.
An overview of all OneTwoApps apps.
Keep track of income & expenses – since 2012
Coming soon to the App Store
Capture notes quickly – with iCloud sync and themes
Coming soon to the App Store
Write Markdown with live preview – share, print, iCloud sync
Coming soon to the App Store
Write and format text – with iCloud sync and printing
Coming soon to the App Store
Record 20 winter activities – pistes and lifts in view
Coming soon to the App Store
Record 24 summer activities – roads and trails in view
Coming soon to the App Store
Find your way back – even offline
Your AI-powered writing assistant
AI-powered markdown editor
PDF scanner & OCR without subscription
Advanced insights & family sharing, ad-free
Localization, text editing, App Store content, crash log analysis and recurring app-development chores – with optional AI integration, your own provider, and full control over your data.
AI-powered analysis of crash and log files
AI-powered localization for Xcode projects
Markdown editor with AI and workflow automation
AI-powered translation for text, documents & web content
AI-powered localization for App Store Connect metadata
A terminal-based CLI tool for Apple developers: builds, tests, simulator control, device management, TestFlight/App Store delivery, localization and crash analysis – without opening Xcode for every single step.
xcodexcli.comExplore the world of AtomiumGames.
Tower defense strategy game – works offline, no in-app purchases
A challenging strategy game – master the field and lead your team to victory
The sequel to Battle Alliance – deeper tactics, more intense battles
Gripping, action-packed tower defense battles full of strategy
Apple Platform Developer · Essen, Germany
I independently build programs, apps, games and developer tools for the Apple ecosystem. My current focus is on AI-assisted tools for app development – with XCodeX and BetterLocale.
If you're interested in Apple development, my learning platform offers free, practical tutorials on Swift, iOS, macOS and AI tools.
Questions, feedback or press inquiries? Reach out directly.
info@onetwoapps.com