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Calendar apps: 23 product opportunities

173 people left one-to-three-star reviews or posts about calendar tools that say something someone else also said. Grouped, that is 23 distinct repeated complaints; the strongest scores 81 out of 100.

Apps in the evidence

The apps these complaints were written about, by low-star reviews in our sample.

The opportunities, ranked

1. 0181Calendar app with reliable data persistence and backups70
2. 0278Locked — subscribe to read this opportunity21
3. 0375Locked — subscribe to read this opportunity25
4. 0470Locked — subscribe to read this opportunity10
5. 0560Locked — subscribe to read this opportunity5
6. 0658Locked — subscribe to read this opportunity3
7. 0758Locked — subscribe to read this opportunity3
8. 0858Locked — subscribe to read this opportunity4
9. 0955Locked — subscribe to read this opportunity3
10. 1053Locked — subscribe to read this opportunity2

Score out of 100, then the number of people who said it. The top complaint in every category is shown in full; the rest, with the reviews behind them and the score breakdown, are Pro.

What they complain about

• Unreliable data storage×3
• Random data deletion×3
• Complete data loss×3
• Unreliable storage×2
• Unhelpful faq×2
• Recurring data loss×2
• Random deletion of all events×2
• No recovery option×2