It includes 5 pro sets for a total of 14 tools:
Set 1. Length, Angle, Slope, Level, Thread: Smart Ruler Pro
Set 2. Sound meter, Vibrometer: Sound Meter Pro
Set 3. Flashlight, Magnifier, Mirror: Smart Light Pro
Set 4. Unit, Currency: Unit Converter Pro
Set 5. Distance, Speed: Smart Distance Pro
* The differences between "Smart Tools" and "Smart Tools mini"
* This app does not include compass and metal detector.
* This app includes currency feature with internet connection.
* Smart Measure Pro is replaced by Smart Distance Pro.
** 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.
Requirements: Android 4.4+
Home Page -

https://play.google.com/store/apps/details?id=kr.aboy.mini&hl=en