TinyClerk is an easy to use double-entry bookkeeping application
It is designed for the entrepreneur, consultant, free-lancer or small-business owner who wants to do his own bookkeeping
TinyClerk is single-user, off-line and secure
It is available for Windows and Android, the data can be shared with multiple devices and across platforms
There are two products available at the MS Appstore: TinyClerk and TinyClerkFree. They are the same. If you want to support the development, you can buy the TinyClerk.
In Google Play there is only TinyClerkFree.