Smart Protractor
8.0 1K+
v1.6.5 by Smart Tools co.
About Protractor
Protractor (Package Name: kr.sira.protractor) is developed by Smart Tools co. and the latest version of Smart Protractor 1.6.5 was updated on October 10, 2026. Smart Protractor is in the category of Tools. You can check all apps from the developer of Smart Protractor and find 200 alternative apps to Smart Protractor on Android. Currently this app is for free. This app can be downloaded on Android 6.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
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.
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.
Protractor 1.6.5 Update
- v1.6.5 : Support for Android 17- v1.6.4 : More models have been calibrated
Read More
Protractor Features
Related Videos
Smart Protractor v1.5 (Smart Tools)
Previous Versions
More
Variant
Arch
Version
DPI
71
October 7, 2026
Smart Protractor
1.6.5
(71)
Screen DPI: nodpi
SHA1: eb6c8d0e14dc44eae0a9f4d0b68ead2b9feb948c
Base APK: kr.sira.protractor.apk
Split APKs: config.en, config.mdpi, config.zh
Size: 7.21 MB
What's New:
- v1.6.5 : Support for Android 17
- v1.6.4 : More models have been calibrated
- v1.6.4 : More models have been calibrated
nodpi
71
October 7, 2026
Smart Protractor
1.6.5
(71)
Screen DPI: nodpi
SHA1: 36d1f1526c2f6c76a745bf82b334a0996b88f495
Base APK: kr.sira.protractor.apk
Split APKs: config.en, config.es, config.hdpi
Size: 7.22 MB
What's New:
- v1.6.5 : Support for Android 17
- v1.6.4 : More models have been calibrated
- v1.6.4 : More models have been calibrated
nodpi
71
October 10, 2026
Smart Protractor
1.6.5
(71)
Screen DPI: nodpi
SHA1: 4189f10d1d8d2589e135931ff5b33b149199df2f
Base APK: kr.sira.protractor.apk
Split APKs: config.en, config.xxhdpi, config.zh
Size: 7.23 MB
What's New:
- v1.6.5 : Support for Android 17
- v1.6.4 : More models have been calibrated
- v1.6.4 : More models have been calibrated
nodpi
Screen DPI: nodpi
SHA1: 39b1f482dba5f29ab1a304c61eb13f861bb9208c
Size: 12.94 MB
What's New:
- v1.6.4 : More models have been calibrated
- v1.6.2 : Support for Android 16
- v1.6.2 : Support for Android 16
Variant
Arch
Version
DPI
68
March 22, 2026
Smart Protractor
1.6.3
(68)
Requires Android: Android 6.0+
Screen DPI: nodpi
SHA1: ba8020bd1b48a637ec4597578f6e052b11547bb8
Base APK: kr.sira.protractor.apk
Split APKs: config.en, config.mdpi
Size: 12.17 MB
What's New:
- v1.6.3 : More models have been calibrated
- v1.6.2 : Support for Android 16
- v1.6.2 : Support for Android 16
Android 6.0+
nodpi
68
March 24, 2026
Smart Protractor
1.6.3
(68)
Requires Android: Android 6.0+
Screen DPI: nodpi
SHA1: 30c3d61ff0a2ab2bb4416c0b145bf6b38198b707
Base APK: kr.sira.protractor.apk
Split APKs: config.en, config.hdpi
Size: 12.17 MB
What's New:
- v1.6.3 : More models have been calibrated
- v1.6.2 : Support for Android 16
- v1.6.2 : Support for Android 16
Android 6.0+
nodpi
Requires Android: Android 6.0+
Screen DPI: nodpi
SHA1: a5003c358fa808a45cb3e707096a62467a349935
Size: 11.99 MB
What's New:
- v1.6.2 : Support for Android 16
- v1.6.1 : Minor fix
- v1.6.1 : Minor fix
More Information
Package Name:
Update Date:
2026-10-10
Latest Version:
1.6.5
Need Update:
Available on:
Requirements:
Android 6.0+
Report:
Safe to Download
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