Martin Seidel
2 apps seen in App Store top charts, 1 charting now.
| App | Category | Released | Best rank now | Rating | New ratings a week |
|---|---|---|---|---|---|
 Airport Tower Manager 空港管制塔マネージャー | Games | #97 | ★ 0.0 | – | |
 School Letters Buchstabenland | Education | not charting | ★ 4.2 | – |
Martin Seidel: releases, featuring and milestones across their App Store apps
Last change · 3 events since 6 Jan 2026Full timeline ↓📈iOSSchool Letters · Dropped out of every chart we track🆕iOSAirport Tower Manager · Released on the App Store🆕iOSSchool Letters · Released on the App Store
Full timeline · 3 events
- 📈School Letters · Dropped out of every chart we trackiOSLast seen 6 Nov
- 🆕Airport Tower Manager · Released on the App StoreiOS
- 🆕School Letters · Released on the App StoreiOS
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Free with an account
Portfolio-wide download estimates, top grossing positions and new-launch alerts for Martin Seidel.
Downloads per day
Revenue per day
Monthly active users
Revenue per download