Compared August 2026 · every price and feature below was checked against Calends’s own App Store listing on 28 August 2026. These change — check the Calends App Store listing before deciding.
Many calendars folded into one you can share. A different shape of the same idea.
Calends solves the other half of the problem. Where Calendar Mirror keeps pairs in sync, Calends folds many calendars into a single master calendar that lives in Apple Calendar and can be shared with anyone — deduplicated, and kept filled in the background. If what you want is one calendar to hand to your family or your assistant, that is the shape you want.
Calendar Mirror can merge, but it does not deduplicate. Point several mirrors at one destination and you get the same effect; what you do not get is Calends’ removal of the same event arriving from two sources. Going the other way, Calends is built around a master calendar rather than per-pair rules, so per-pair projection and per-event tags are not what it is for.
| Calendar Mirror | Calends | |
|---|---|---|
| Price | $2.99 once · free from source | Free for 30 days, then $14.99 once |
| Shape | One source to one destination, as many pairs as you like | Many sources folded into one master calendar |
| Where it runs | Entirely on your device | Entirely on your device |
| Account required | None | None — “No OAuth, no password” |
| Platforms | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Open source | Yes — MIT | No |
| Deduplication across sources | No — each mirror keeps its own copies | Yes |
| Busy-only sharing | Yes, with your own label and an optional prefix | Yes, with a label of your choosing |
| Filters | Declined, unanswered, cancelled, all-day, free, duration, title, time of day | Not published |
| Per-event override | Yes — a tag in the notes | Not published |
| Family Sharing | Not offered | Included |
| Free trial | No — but the source builds for free | 30 days |
Not a privacy comparison. Calends runs on your device, with no account and no server, exactly as Calendar Mirror does. Neither is the private one; the differences are elsewhere.
None of these are coming later. If you need one of them, buy something else:
One purchase covers iPhone, iPad and Mac. Calendar Mirror is not affiliated with Calends in any way, and this page is written by Calendar Mirror’s author.