ActMonitor

The app shows you system info about your device and compare other Apple iOS devices. It takes almost no space and really easy to use.

+ Information about the network.
+ Wi-Fi, Edge/3G/LTE and Bluetooth traffic.
+ Battery level, status and remainng life (estimated).
+ Memory status.
+ Disk free space information.
+ Widget for Memory and Disk status
+ Device identity (device name, os version, disk capacity).
+ Detail tech specs about Apple iOS devices.
+ Compare up to 7 (for iPhone) or 12 (for iPad) models of iDevices (in-App purchase)

ActMonitor — knows all about iDevices.

URL-scheme — aeonika-amonitor://