I'm, back, it has been a while. I didn't get notified as to these replied. I need to subscribe the the thread. The app has been out for almost a year now and is doing great. It is now in version 2.2 and has a lot of more functionality its called aquaPlanner Pro and there is a lite version. A scenario some have encountered, if you don't see the last data entered saved in the water test its probably because you have left the keyboard displayed. click on the screen to dismiss the keyboard, then click save. that should do it