★★Retina + iOS6 + iPhone / iPad + Android ★★
This is for Sleep Cycle Calculator Pro ($0.99) and Lite (ad-supported) on iOS with equivalent versions on Android.
On iOS, both versions have held a position in the "top-charts" of their category for some time and have a combined total download number of over 175,000.
Both versions on iOS have been upgraded to work on iOS6 on the BOTH the iPhone and iPad. The Android version was built for 2.3 originally and may require some tweaks.