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.
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 of the apps: androidboy1.blogspot.com
I hope my apps are useful to your SMART Life. Thank you.
The second package (Smart Tools 2) is newly released. This app (Smart Tools) will continue to be updated, but we recommend that new users purchase the new app. ★★
It is a one-time payment. The app price is charged only once.
This app does not compatible with the devices without a compass sensor (e.g Moto G4, Galaxy J, Galaxy TabA …).
This app does not include Map and Exchange rates due to the lack of internet access.
Google has recommended this app as one of the essential apps of [Google Play for Education].