Calendar Alarm (D-DAY) icon

Calendar Alarm (D-DAY)

OkSoft

★ 4.2 (472 ratings)

⬇ 50,000+ downloads

Est. actual: 95,141

Free

Released: Apr 5, 2018

No in-app purchases

Contains ads

Signals

4 this week · 3 positive All of this week's signals →

📈Last 7 days +124 installs — 65% faster than the week before (+75) · 12/day since Oct 7
🏆Among Tools apps top 13% by installs gained this week (1273 peers growing)
⭐Rating steady at ★ 4.17 since Oct 7
🛠Updates actively updated · updated 8 days ago

Installs since launch

+415 installs · +1 ratings since Oct 7

Update history

— Nov 5, 2026 · seen Oct 21, 2026

Removed contact and account access permissions, disabled the feature to add contact history, and eliminated the unnecessary login requirement during the calendar holiday synchronization process.

Only the current version so far — new entries appear as the app ships updates.

Calendar Alarm (D-DAY) is a tools app by OkSoft with 50,000+ downloads (about 95K estimated). +124 installs in the last 7 days. Rated 4.2 from 472 ratings. Released Apr 5, 2018. Install growth, rank history, SDKs and ad networks.

From the store listing: “Custom D-Day alarms & widgets with notes and photos”