Abacus - Natural Feel app for iPhone and iPad

Abacus is a simple yet powerful calculation tool. It is easy to use and not difficult to master.

Our app, Abacus – Natural Feel, is designed to stay true to the original — simple and easy.

We do not believe in extra features or gimmicks. We focus mainly on usability.
As a result Abacus – Natural Feel does feel like actual abacus on which you can flick and perform smooth and frictionless calculation.

Abacus with natural "flicking" feel.
* See Through mode: The user can "see through" the abacus -- just the real one.
* Display current frame value
* Play the bead sound effects
* Retina display ready
* Simple interface with no overdo features