The Windows Phone app which has gone free next as myAppFree app of the day is Money Wallet.
This is a simple, useful and intuitive personal finance assistant with online synchronization between several devices.
Money Wallet Features:
* list of accounts of different types (Cash, Bank account, Credit cards and others) with customizable icons
* groups of accounts
* list of transactions
* splits in transactions
* sync between several devices
* hierarchical editable category list
* multi currencies and currency rate history with ability to update it from Internet
* transfer between accounts with different currencies with currency conversation
* scheduled transactions
* a reminder of the scheduled transactions
* weekly, monthly and yearly budgets
* reports system with many different filter types
* fully support of QIF-format (import/export) and export to CSV
* database backup/restore
* support for Microsoft SkyDrive and DropBox cloud services
* credit calculator
* displaying summary info on application tile
* password protection
