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Simple Calendar Pro: what 17 low-star reviews complain about

We read 17 one-to-three-star reviews written between 2026-04-16 and 2026-08-30 and kept the ones that describe a specific unmet need. Grouped with reviews of other apps that say the same thing, they land in 3 repeated complaints. Store listing.

What reviewers complain about

• Won't backup to the cloud or google email
• Widget lags 3-4 days behind
• Widget date does not update daily
• Troublesome info entry procedure
• Tapping a day opens a different day
• Reminders quit working altogether
• Reminders no longer stay active until dismissed
• Reminders cannot send messages
• Random unskippable ads for paying users
• Pro version appears abandoned

The opportunities these reviews point to

1. 0181Calendar app with reliable data persistence and backups1 of 70
2. 0278Locked — subscribe to read this opportunity1 of 21
3. 0377Locked — subscribe to read this opportunity1 of 42

Score out of 100, then how many of the cluster's reviews are about this app out of its total. Category: Calendar.