Proton Calendar
Ranked 4 of 4 calendar apps by recommenders
Recommended as a basic calendar good enough for family sharing that works with other providers, though critics say it does not integrate with other apps.
Recommended as a basic calendar good enough for family sharing that works with other providers, though critics say it does not integrate with other apps.
11 people gave an opinion
- recommend it
- 5
- criticize it
- 6
- approval share
- 45%
Recommended in 3 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 5 people recommend itNeeds 10 or more, not met.
- 0.8 recommenders for every criticNeeds 2 to 1 or better, not met.
- Recommended in 3 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Good enough for family sharing
“Calender is basic indeed, but good enough for a family sharing a calendar.”
Comment from 26 Mar 2026 in “Migrating to the EU” Part of the Proton suite
“features like Proton Calendar and VPN make sense”
Comment from 30 Oct 2026 in “Proton CEO Andy Yen: "This will be the last year that we hire engineers."” “Proton ticks a few of those boxes for me.”
Comment from 23 Mar 2026 in “Migrating to the EU” Works with other providers
“it deals well with all other providers”
Comment from 13 Jan 2026 in “Proton Lumo 1.3: Introducing Projects, a better way to organize and create”
What people warn about
Each mark is one comment
Calendar sharing limited, weak on iOS
“they do not allow for proper calendar exposure other than a fully public link”
Comment from 23 Mar 2026 in “Migrating to the EU” “read/write calendar sharing on Proton Calendar to finally work on iOS”
Comment from 6 May 2026 in “Proton Meet” Basic features; rebuild announced
“It also sort of sucks, and in 2024 (year 5) they announced they're rebuilding it.”
Comment from 30 Oct 2026 in “AI isn't replacing SREs, it's deskilling them” “Calender is basic indeed, but good enough for a family sharing a calendar.”
Comment from 26 Mar 2026 in “Migrating to the EU” Weak phone search and integration
“their calendar doesn't integrate with anything (by design)”
Comment from 23 Mar 2026 in “Migrating to the EU” “I just need to be able to search my calendar on my phone”
Comment from 7 May 2026 in “Proton Meet”
Other calendar apps people recommend
The three most recommended other calendar apps, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Google Calendar | 27 | 35 | 44% | 10 | — | — |
| Apple Calendar | 18 | 19 | 49% | 10 | — | — |
| Remind | 7 | 0 | 100% | 2 | — | — |
| Proton CalendarThis page | 5 | 6 | 45% | 3 | — | — |
What people said
10 of the 11 comments that mention it, newest first. Each links to the original comment.
“It also sort of sucks, and in 2024 (year 5) they announced they're rebuilding it.”
“features like Proton Calendar and VPN make sense”
“I just need to be able to search my calendar on my phone”
“I don't like that the booking pages that come with Proton Calendar only show in 24-hour time.”
“read/write calendar sharing on Proton Calendar to finally work on iOS”
“Calender is basic indeed, but good enough for a family sharing a calendar.”
“their calendar doesn't integrate with anything (by design)”
“they do not allow for proper calendar exposure other than a fully public link”
“Proton ticks a few of those boxes for me.”
“it deals well with all other providers”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.