Calendar Event Reminder (CER) icon

Calendar Event Reminder (CER)

invalidobject.com
★ 2.9 (1,041 ratings)
⬇ 10,000+ downloads
Est. actual: 27,371
Free
Released: Oct 17, 2010
IAP: $4.49 per item
No ads

Signals

4 this week · 3 positive All of this week's signals →
  • 📈Last 7 days +27 installs — 145% faster than the week before (+11) · 2/day since Oct 9
  • 🏆Among Business apps top 6% by installs gained this week (1355 peers growing)
  • ⭐Rating steady at ★ 2.95 since Oct 9
  • 🛠Updates actively updated · updated 14 days ago
Installs since launch
0 14K 27K 27K Oct 17, 2010 today
+67 installs · +3 ratings since Oct 9
Update history
— Oct 30, 2026 · seen Oct 21, 2026
- New: weather forecast for the next 2 hours below the alarm window (off by default, optional location permission). Settings → Presentation Options.<br>- New: agenda notification – a permanent notification (off by default) with one day&#39;s reminders. Arrows browse days, tap the date for today. Settings → Compatibility Settings.<br>- New: animated weather sky behind the alarm – “Show alert above”
Only the current version so far — new entries appear as the app ships updates.

Calendar Event Reminder (CER) is a business app by invalidobject.com with 10,000+ downloads (about 27K estimated). +27 installs in the last 7 days. Rated 2.9 from 1K ratings. Released Oct 17, 2010. Install growth, rank history, SDKs and ad networks.

From the store listing: “Calendar Alarm - Repeating reminder for calendar events / appointments.”