Smart Tools vs Protractor Usage & Stats

Smart Tools® is the complete package of 6 individual apps. It has 6 sets below for a total of 15 tools. In a word, All-in-One. ★★★ The second packaged version ("Smart Tools 2") was newly released. This app ("Smart Tools") will continue to be updated, but we strongly recommend that new users purchase the new version. ★★★ Set 1. Smart Ruler Pro : length, angle, slope, level, thread Set 2. Smart Measure Pro : distance, height, width, area Set 3. Smart Compass Pro : compass, metal detector, GPS Set 4. Sound Meter Pro : sound meter, vibrometer Set 5. Smart Light Pro : flashlight, magnifier, mirror Set 6. Unit Converter : unit For more information, watch YouTube video and visit the blog. I hope my apps are useful to your SMART Life. Thank you. * It is a one-time payment. The app price is charged only once. ** This app is not compatible with the devices without a compass sensor (e.g Moto G4, Galaxy J, Galaxy TabA ...). ** Off-line 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. ** This app does not include Map and Exchange rates due to the lack of internet access.