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Spark Mail: AI Email, Calendar: what 92 low-star reviews complain about

We read 92 one-to-three-star reviews written between 2026-04-13 and 2026-08-19 and kept the ones that describe a specific unmet need. Grouped with reviews of other apps that say the same thing, they land in 12 repeated complaints. Store listing.

What reviewers complain about

• Forced ai integration×2
• Worse than free alternatives
• Won't sync email
• Won't connect to accounts
• Watered down android version
• Vpn compatibility issues
• Update made it worse
• Unwanted ai suggestions
• Unread email sync bugs between devices
• Troubleshooting failed to resolve

The opportunities these reviews point to

1. 0181Reliable email client prioritizing core functionality over AI6 of 31
2. 0278Locked — subscribe to read this opportunity2 of 99
3. 0353Locked — subscribe to read this opportunity2 of 5
4. 0479Locked — subscribe to read this opportunity1 of 73
5. 0570Locked — subscribe to read this opportunity1 of 6
6. 0662Locked — subscribe to read this opportunity1 of 6
7. 0757Locked — subscribe to read this opportunity1 of 5
8. 0857Locked — subscribe to read this opportunity1 of 4
9. 0952Locked — subscribe to read this opportunity1 of 3
10. 1052Locked — subscribe to read this opportunity1 of 2
11. 1149Locked — subscribe to read this opportunity1 of 3
12. 1248Locked — subscribe to read this opportunity1 of 3

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