Measure length, angle, slope, level and thread pitch with your device.
Requires android
4.4 and up
Package name
kr.aboy.ruler
Smart Ruler Pro App
Smart Ruler Pro is the 1st set of Smart Tools collection.
It integrated 6 simple and useful tools into this app. Here is the list.
1. Ruler - length
2. ProtractorⅠ(Touch) - angle
3. ProtractorⅡ(Plumb) - slope
4. ProtractorⅢ(Camera) - goniometer, clinometer
5. Surface level - sprit level
6. Thread pitch - screw, bolt, nut
* Pro version added features:
- No ads
- Multi-Touch mode
- Caliper mode
- Ruler Extension
- Architectural and Engineering Scales
- Various Tilt units
- Screen capture
* Do you want more tools? Get [Smart Tools] package.
For more information, watch YouTube and visit the blog. Thank you.
* It is a one-time payment. The app price is charged only once.
** No internet support : You can open this app without any connection. After installation, open the app 1-2 times with your device connect to WI-FI or 3G/4G.
Latest Smart Ruler Pro update
- v2.7.10 : Support for Android 14
- v2.7.9 : More models are calibrated
Download Smart Ruler Pro APK 2.7.10 (1.79 MB)
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