Blackboard-Stopwatch
Blackboard-Stopwatch Summary
Blackboard-Stopwatch is a ad-supported Android app in Tools by Filippo-Software. Released in Jun 2019 (6 years ago). It has about 2K+ installs Based on AppGoblin estimates, it reaches roughly 86 monthly active users and generates around $<10K monthly revenue (0% IAP / 100% ads). Store metadata: updated Mar 14, 2026.
Recent activity: 2.00 installs this week (164 over 4 weeks) showing exceptional growth View trends →
Store info: Last updated on Google Play on Mar 14, 2026 .
0★
Ratings: 0
Screenshots
App Description
This app is a simple stopwatch with very large numbers.
Blackboard-Stopwatch
This app is a simple stopwatch with very large numbers.
The app has only one button with 3 functions: start, stop and reset.
In conjunction with my USB or Bluetooth device and a photocell it can be a good display panel for any type of race.
In this way, the use has practically no limits.
Advertising can be deactivated via the "In-app purchases" option.
For the start/stop can be used an external USB or Bluetooth-button.
Further information at: http://filippo-software.de
Supported languages:
German, Italian, English