
Andrew
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It's always out a little. They should really have you calibrate it with a larger increment so the accuracy is better. The larger the increment the less significant things like small perspective errors and rule widths are. That said, it can be useful if you don't need it to be perfect and just need a rough estimate.
177 people found this review helpful

Theresa Marie
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I'm thrilled with this app! I don't know why I didn't have this a long time ago. I don't know how many times I've needed to measure something out of the blue & couldn't find my ruler 🤷♀️ I really like that each measurement is saved automatically, with the ability to label them. It's very handy 🙂 Thank you!
46 people found this review helpful

A Google user
Horrible app. I went to adjust the ruler calibrate to accurate size. It said I could use a credit card. I clicked done , it didn't even save the calibration in the least. It just kept saying the length was 12 inches. I wish my phone was that long. What utter lies. WORST APP EVER. The developers should be ashamed of themselves.
194 people found this review helpful