Software
that just works.
Simple, secure, and performant applications. Legal documentation for all our products.
Ampelino
The noise traffic light for classrooms and daycare. Free to download, with an optional child-friendly design and Ampelino Pro as a one-time purchase.
Japan 47
Log your Japan travels and watch your 47-prefecture map come to life.
Caratify
Your personal jewelry & gemstone tracker.
Klokko
Finally a modern design! The complete clock trainer: 5 modes, free play & smart day/night logic. 100% ad-free.
ChemTrainer
Pass your expertise exam in Toxicology and Law with confidence.
Mössbauer
Visualizing ⁵⁷Fe Hyperfine Interactions. Real-time Mössbauer spectroscopy simulation for students and scientists.
VoluMate
Per-app volume control with audio-route awareness — automatically set the right volume for every app via Apple Shortcuts.
Statio Lehrer
Create station-based learning rallies, print QR codes, and monitor your class live — no internet required.
Statio Schüler
Scan station QR codes, solve the tasks, and keep every rally you finished in your own history.
Beakr
Learn the names of chemistry lab equipment — from basic glassware to Schlenk lines — with spaced repetition.
ZinsJäger
Track your savings accounts, interest rates, and tax exemptions — all in one place.
Ionika
Master analytical chemistry ion reactions — one quiz at a time.
Spezialgelagert
Bookmarks that hold and a sleep timer that saves your spot. The Spotify companion for Die drei ??? audio dramas.
Groupino
Fair groups in seconds, big on the projector: photograph your class list, shuffle, done. With rules, memory, and a new-school-year assistant. No subscription, no ads, no account.
Parat
Passport, card-blocking hotlines, embassy: everything important for travel and your car on one card, ready in two seconds. Encrypted on your iPhone. No subscription, ads, or account.
StoreRechnung
The monthly reverse-charge invoice to Apple and Google in three entries, as a PDF in the folder of your choice. For sole proprietors in Germany, with or without a small trade.
MetricDrop
Profit per app from the files you already have: App Store financial reports, Google Play, and your bookkeeping export. Your data stays on your device or in your own iCloud. No account, no API key, no subscription.
Opaq
A secure vault for your sensitive photos and videos. Everything is encrypted on your device. Sync it fully encrypted through your iCloud or keep it on this device only: your choice. One purchase, no subscription, no in-app purchases.
Marathon Atlas
Every marathon you have run on one world map. Tap your races or let Apple Health find them, and watch your countries fill with color. Half marathons included.
Klingelklar
Everything for the cycling test at German primary schools: the written test, the test course, and a plan for practising outside. Everything is read aloud. No ads, no subscription, no account.
Nomencla
Learn the names of 914 organic compounds, from methane to imatinib: structures, common names, and IUPAC names in English, German, French, Japanese, and Korean, in three levels from high school to PhD. 150 compounds free, full version as a one-time purchase.
