Period Calendar vs Proton Calendar — Which Is Better?
A side-by-side comparison of Period Calendar and Proton Calendar for Android, compared by rating, downloads and features. Each links to its verified official source.
Quick verdict
Both Period Calendar and Proton Calendar are strong Android choices. Period Calendar scores higher at ★ 4.6. Period Calendar has the larger user base (1.3 M downloads). Pick the one that best fits what you need.
| Feature | Period Calendar | Proton Calendar |
|---|---|---|
| Rating | ★ 4.6 | ★ 4.5 |
| Downloads | 1.3 M | 48.9 k |
| Platform | Android | Android |
| Official source | Google Play | Google Play |
Screenshots
Frequently asked questions
Which is better, Period Calendar or Proton Calendar?
Both Period Calendar and Proton Calendar are strong Android choices. Period Calendar scores higher at ★ 4.6. Period Calendar has the larger user base (1.3 M downloads). Pick the one that best fits what you need.

