Smart Protractor
8.0 1K+
v1.6.3 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 1.6.3 was updated on March 24, 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 1.6.3 Update
- v1.6.3 : More models have been calibrated- v1.6.2 : Support for Android 16
Read More
Protractor Features
Related Videos
Smart Protractor v1.5 (Smart Tools)
Previous Versions
More
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
Variant
Arch
Version
DPI
66
June 4, 2025
Smart Protractor
1.6.1
(66)
Requires Android: Android 6.0+
Screen DPI: nodpi
SHA1: e315082cf612b3f3612038dbb67bb081527fe2d0
Base APK: kr.sira.protractor.apk
Split APKs: config.en, config.mdpi
Size: 11.66 MB
What's New:
- v1.6.1 : Minor fix
- v1.6.0 : Support for Android 15
- v1.6.0 : Support for Android 15
Android 6.0+
nodpi
66
June 6, 2025
Smart Protractor
1.6.1
(66)
Requires Android: Android 6.0+
Screen DPI: nodpi
SHA1: 706a5cc3ca47b3830ad366dcede029e9967caf13
Base APK: kr.sira.protractor.apk
Split APKs: config.en, config.mdpi
Size: 11.66 MB
What's New:
- v1.6.1 : Minor fix
- v1.6.0 : Support for Android 15
- v1.6.0 : Support for Android 15
Android 6.0+
nodpi
Requires Android: Android 6.0+
Screen DPI: nodpi
SHA1: 9f235704c9afff7ca872f7412c8dc11f5ed800ad
Size: 11.65 MB
What's New:
- v1.6.0 : Support for Android 15
- 1.6 : Black/White toggle
- 1.6 : Black/White toggle
More Information
Package Name:
Update Date:
2026-03-24
Latest Version:
1.6.3
Need Update:
Available on:
Requirements:
Android 6.0+
Report:
Safe to Download
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