There is no login required. Open the app and click on “MY PH2OH” to begin using the app.
No, the app is free.
No, you do not need to register, click on “My PH2OH” to begin using the app.
The PH2OH app is available on both iOS and Android
Once you have taken a picture of the litmus paper using the camera icon, touch the screen to determine the pH value or manually determine by rotating color wheel. To save the reading, click on the save button on the top right-hand corner and then click on the “History” button to view previous values by date and time.