For your iOS device
After you jailbreak your device, you can search for TypeStatus in Cydia to install it.
Requires iOS 7.0 or later.
Older version available for iOS 5 and 6.
For your Mac
Download the DMG file below (1.6 MB) and follow the instructions to install TypeStatus on your Mac.
Requires OS X 10.8 Mountain Lion or later.
OS X 10.11 El Capitan is not yet supported.