📈Last 7 days+74 installs — 33% slower than the week before (+111) · 9/day since Oct 7
🏆Among Productivity appstop 12% by installs gained this week (865 peers growing)
🛠Updatesquiet · updated 36 days ago
Installs since launch
+348 installs
since Oct 7
Update history
3.0.32Oct 8, 2026 · seen Oct 24, 2026
ISF Watchkeeper 4 - Live Compliance and Prediction Engine for Seafarers
Only the current version so far — new entries appear as the app ships updates.
ISF Watchkeeper 4 is a productivity app by IT Energy with 10,000+ downloads (about 11K estimated). +74 installs in the last 7 days. Released Jul 14, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “Seafarer Rest Hours Compliance - Live Calculation and Prediction”