OpnTab is described as 'moves IOUs from your memory and post its to the cloud' and is an app in the Education & Reference category. There are more than 10 alternatives to OpnTab for the Web, iPhone, Android, Android Tablet and Self-Hosted solutions. The best alternative is Splitwise, which is free. Other great apps like OpnTab are ihatemoney (Free, Open Source), SplittyPie (Free, Open Source), Kittysplit (Free) and Tricount (Free).
- 12 alternatives