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Reviews for Checker Plus for Gmail™

Checker Plus for Gmail™ by Jason Savard

4.4 Stars out of 5
5
390
4
66
3
28
2
14
1
44
Response by Jason Savard

Developer response

posted 6 years ago
You must use the latest stable Quantum Firefox version 63, more info https://jasonsavard.com/wiki/Unstable_browser_channel