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GlassWire Data Usage Monitor: what 31 low-star reviews complain about

We read 31 one-to-three-star reviews written between 2026-01-14 and 2026-09-08 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

• Zero wi-fi usage tracked correctly
• Wrong data usage reports
• Unreliable data tracking
• Takes a lot of time for exempted apps to reconnect or connect
• Requests call and message access unrelated to core function
• Permission overreach feels untrustworthy
• No turn off button
• No transparency about why restriction exists
• No error message when vpn conflict occurs
• No amoled theme available

The opportunities these reviews point to

1. 0160Accurate cellular data usage tracking app1 of 6
2. 0249Locked — subscribe to read this opportunity1 of 2
3. 0346Locked — subscribe to read this opportunity1 of 2

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