Proton Movies 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.

** No internet support : You can open this app without any connection. After installation open the app 2-3 times with your device connect to WI-FI or 3G/4G.