Is there a good app for sync multiple calendars?
Heavily used and done badly — the most disruptable kind of gap.
95
Opportunity /100
95
Demand /100
61
Competition /100
94
Execution gap /100
5
Apps serving it
52
Mined complaints
What users complain about
The most common complaints behind apps that try to sync multiple calendars, mined and clustered from real reviews:
| Complaint area | Type | Mentions | What a user said |
|---|---|---|---|
| slow syncing with shared calendars | reliability | 1 | consistently behind in syncing with shared calendars... don't show up in this one for hours or even a day |
| no calendar synchronization | missing-feature | 1 | Would have been better if it can be synchronized with my calendars |
| not all selected calendars sync to watch app | bug | 1 | not all the calendars you select sync to the watch app |
| unclear how to auto-sync shared/partner calendar | ux | 1 | never been advised how to update my wife’s calendar sync them automatically with mine |
| does not sync with shared calendars | reliability | 1 | does not sync with shared calendars ... it does not show on their app on my iPhone |
| no calendar sync | missing-feature | 1 | Com'on SWA gotta have a calendar sync |
| can't link more than one calendar | missing-feature | 1 | you cannot link more than one calendar. Either Google or Outlook |
| no sync with other calendars (Gmail, Apple, Skylight) | missing-feature | 1 | Timetree doesn’t communicate with any other calendars (Gmail, Apple, Skylight, etc) which is INFURIATING |
| calendars not syncing to/from cloud | reliability | 1 | not updating my calendars in the cloud, and not being updated by them |
| requires full access to other calendars to work | ux | 1 | Won’t work unless access is allowed to other calendars |
| shared calendar does not sync, events duplicate | bug | 1 | You will have to put everything in manually and then it will show twice on your own calendar. Takes all the convince out of a shared calendar |
| troublesome to copy event to multiple calendars | ux | 1 | it is a little troublesome to copy an event to multiple calendars |
Apps that already serve this
| App | Rating | Ratings | Price |
|---|---|---|---|
| Calendar | 4.9★ | 1,515,217 | Free |
| TimeTree: Shared Calendar | 4.9★ | 86,118 | Free |
| Calendars: Schedule Planner | 4.7★ | 119,621 | Free |
| Google Calendar: Get Organized | 4.5★ | 130,248 | Free |
| Calendar · | 4.6★ | 59,003 | Free |
Should you build it?
Heavily used and done badly — the most disruptable kind of gap. Opportunity here scores 95 out of 100 — a function of demand, how crowded the field is, and how badly the existing apps perform. Use the live map to compare it against adjacent tasks.
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