Comparison · Calendar apps
Fantastical vs Proton Calendar: which is better in 2026?
Fantastical ranks higher in our list of calendar apps (#4 against #5, score 87.5 against 85.5), but the gap is small and the better choice depends on what you need.
- 87.5Editorial score85.5
- 2Platforms6
- YesFree to useYes
- NoOpen sourceNo
Which should you choose?
Choose Fantastical if you want
Polished personal planning on Mac and iPhone.
Natural-language entry and a polished day-to-year view on Mac and iPhone, with a free plan. Scheduling and other extras need Premium, and there is no Windows or Android app.
Choose Proton Calendar if you want
Privacy-focused calendars inside Proton's suite.
A calendar from the Proton privacy suite, with apps on six systems and a free account. It has fewer third-party integrations than Google Calendar, so it suits people who put privacy first.
The main differences
- Only Proton Calendar runs on Linux.
- Only Proton Calendar runs on Windows.
- Only Proton Calendar runs on Android.
- Only Proton Calendar runs on Web.
Side by side
 Fantastical |  Proton Calendar | |
|---|---|---|
| Score | 87.5 | 85.5 |
| Rank in list | #4 of 10 | #5 of 10 |
| Price | Free plan, paid upgradesFree plan; Premium is a paid subscription with a 14-day trial | Free plan, paid upgradesFree account; paid Proton plans add more features |
| Free to use | Yes | Yes |
| Open source | No | No |
| Platforms | macOSiOSmacOS, iOS | iOSAndroidmacOSWindowsLinuxWebiOS, Android, macOS, Windows, Linux, Web |
| Made by | Flexibits | Proton |
| Where events are kept | Existing calendar accounts | Proton's servers |
| Desktop app | Yes, Mac app | Yes |
| Best for | Polished personal planning on Mac and iPhone | Privacy-focused calendars inside Proton's suite |
| Strengths |
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| Limits |
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| Links | Visit site | Visit site |
Questions about Fantastical vs Proton Calendar
- Is Fantastical better than Proton Calendar?
- Fantastical ranks higher in our list of calendar apps (#4 against #5, score 87.5 against 85.5), but the gap is small and the better choice depends on what you need. Fantastical is best for: polished personal planning on Mac and iPhone. Proton Calendar is best for: privacy-focused calendars inside Proton's suite.
- Which is cheaper, Fantastical or Proton Calendar?
- Fantastical: Free plan; Premium is a paid subscription with a 14-day trial. Proton Calendar: Free account; paid Proton plans add more features.
- Do Fantastical and Proton Calendar run on the same platforms?
- Fantastical supports macOS, iOS. Proton Calendar supports iOS, Android, macOS, Windows, Linux, Web.
Choosing between the two
Learning Center
1:17How to decide between two good optionsSettle a close call by sorting it by how hard it is to undo, setting a deadline, scoring the criteria as a tie-breaker and writing down why you chose.
1:20How to compare products fairly: what to keep in mindDefine the job, cap the must-haves, compare like with like, count total cost over one period and weigh the criteria. Includes a worked example.
