Oops 0.9.2
Save still works but is useless until history is fixed.

Archived App
This is an archived listing of the app previously available on the App Store.This app uses your phone's UV sensor to measure ultraviolet light levels. Connect your device to the sensor via the audio jack to get readings. Effortlessly check UV exposure with this tool.
0.9.13
August 10, 2018
This app has been updated by Apple to display the Apple Watch app icon. - Bug fixes
MoreSmart UV Checker EX is a mobile application designed to measure ultraviolet (UV) light levels. It connects to a UV sensor via your phone's audio jack to provide readings.
The application works by interfacing with an external UV sensor that plugs into your smartphone's audio jack. This allows it to detect and display UV light intensity.
Smart UV Checker EX is available for iPhone and iPod devices. It requires a compatible UV sensor to function.
Smart UV Checker EX has an age rating of 4+, making it suitable for a wide range of users.
The latest version of Smart UV Checker EX was released on August 10, 2018. The app was initially released on November 12, 2014.
Smart UV Checker EX has a rating of 2.0 stars based on 1 rating. This indicates a mixed or negative user reception.
The provided data does not specify whether Smart UV Checker EX contains advertisements. However, it is listed as free with no in-app purchases.