Smart Protractor

Contains ads
3.7
17.3K reviews
1M+
Downloads
Content rating
Everyone
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About this app

Smart Protractor is in the 1st set of the Smart Tools collection.

This app measures the angle and the slope of an object. It has three protractor modes.

1. Touch mode : for angle. After putting an object on the screen, touch the screen.
2. Plumb mode : for slope. A weight shows the slope of your device.
3. Camera mode : goniometer, inclinometer. It uses camera view.

* Main features:
- Tilt units (degree, percent, radian)
- Zero calibration
- Orientation sensor on/off
- Material design


* Pro version added features:
- No ads
- Various Tilt units
- Screen capture
- Ruler, level, thread pitch

* Do you want more tools?
download [Smart Ruler Pro] and [Smart Tools] package.

For more information, watch YouTube and visit the blog. Thank you.
Updated on
Jul 13, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted
3.7
17.3K reviews
Ryan
May 18, 2020
Great App, does exactly what it says without clutter. 3 modes each useful for variety of tasks, drawing and measurement based. Interesting use of your phones camera to impose protractor image over. Haven't really tested this mode much, but was pleased to discover this ability and can see numerous situations where this could be useful practically.
60 people found this review helpful
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Stuart
September 7, 2021
As a woodworker, I might use this and it seems OK, but could do with markings for commonly used angles like 45, 15, 30, 60 or these numbers highlighted. Also when using the touch setting there should be an option that will snap it to those angles because it's just too fiddly to hone in to the exact angle. If it had those features then it could be genuinely useful, otherwise it's just a novelty.
26 people found this review helpful
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Rikk Clark
November 18, 2020
Awesome app! I just wish you could tap on the angle and manually put in the degree and then match the desired angle to that number. Unless I'm missing it and it has that option (which is entirely possible) other than that it's exactly what i need. Thanks for the great app 👍
49 people found this review helpful
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What's new

- v1.5.10: Minor fix
- v1.5.9 : More models are calibrated