Semi-Useful The Birdie app is only of full benefit if you buy the separately available kit. It's very expensive ($400). Had it been more reasonably priced, it might be worth the investment. Otherwise, you can find better apps that do the same basic job, and take up less memory space.
Amazing service! Installed and working perfectly
Need gadget You need a special device to sync (doesn't mention this until you start!)
Terrible UI Ugly UI and poor design.
Fixed a bug displaying incorrect texts on extra-high-dpi devices
Introduction of New Kegel exercise (pelvic floor muscle exercises) and prostate orgasm exercise