📈Last 7 days+3 installs — 50% faster than the week before (+2) · 0/day since Oct 9
🏆Among Sports apps bottom 31% by installs gained this week (216 peers growing)
🛠Updatesdormant · updated 442 days ago
Installs since launch
+9 installs
since Oct 9
Update history
3.3Aug 25, 2025 · seen Oct 16, 2026
Only the current version so far — new entries appear as the app ships updates.
Roller Derby Penalty Timer is a sports app by Steven Lilley with 100+ downloads (about 247 estimated). +3 installs in the last 7 days. Released Sep 5, 2013. Install growth, rank history, SDKs and ad networks.
From the store listing: “A penalty timing app for flat track roller derby.”