★★★★★Rexarr Rexv2.79 Jan 2026
ad player app
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worthless app
rubbish
isn't that app good luck or something else
good
Shake and it says done before you can do any motion. Doesn't really work.
Only test one sensor what a waste of a app don't bother with such rubbish
Not know calibration is done?
Trash app
Aufull
From 147 saved reviews since 20 Jul 2016, all countries.
Share of the 87 negative reviews that mention it
“Doesn't work.”
“To many ads.”
“It all for ads just make money from !!!”
“I only need a calibration app for the devices I have that I have difficulties in accuracy with, but the app cannot measure, let alone calibrate, the sensors …”
Share of the 54 positive reviews that mention it
“Absolutely love it!”
“I didn't think it would work as I have a pretty basic model Samsung Galaxy A## economy cell phone (and the compass didn't work) but as far as calibration of …”
“Easy to use...does what its meant to do...ads won't bother if one knows how to close them...calibrated compass sensor in 5 secs flat.”
A drop after an update usually means the update broke something.