📈Last 7 days+21 installs — 24% faster than the week before (+17) · 1/day since Oct 7
🏆Among Books & Reference appstop 24% by installs gained this week (409 peers growing)
🛠Updatesactively updated · updated 28 days ago
Installs since launch
+38 installs
since Oct 7
Update history
1.1.2Oct 14, 2026 · seen Oct 24, 2026
Only the current version so far — new entries appear as the app ships updates.
J. J. Keller® ERG App is a books & reference app by J. J. Keller & Associates, Inc. with 100+ downloads (about 233 estimated). +21 installs in the last 7 days. Released Apr 15, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Emergency Response Guidebook”