One Calendar icon

One Calendar

Code Spark
★ 4.7 (64,928 ratings)
⬇ 1,000,000+ downloads
Est. actual: 1,811,788
Free
Released: Apr 27, 2018
IAP: $5.99 per item
No ads

Signals

4 this week · 2 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +3K installs — 3% slower than the week before (+3.1K) · 362/day since Oct 7
  • 🏆Among Productivity apps top 1% by installs gained this week (516 peers growing)
  • ⭐Rating steady at ★ 4.69 since Oct 7
  • 🛠Updates actively updated · updated 30 days ago
Installs since launch
0 906K 1.8M 1.8M Apr 27, 2018 today
+10,130 installs · +135 ratings since Oct 7
Update history
10.110.2 Oct 16, 2026 · seen Nov 5, 2026
Improve app language selection
10.100.2 Oct 16, 2026
Upgrade edge to edge design

One Calendar is a productivity app by Code Spark with 1,000,000+ downloads (about 1.8M estimated). +3K installs in the last 7 days. Rated 4.7 from 65K ratings. Released Apr 27, 2018. Install growth, rank history, SDKs and ad networks.

From the store listing: “Manage all your calendars in ONE place!”