A free program for Android, by invyad.

Konnash: Bookkeeping App is a completely free and safe ledger cash book for recording and managing all credit and debit transactions for your reliable clients and partners. You can create as many customer and seller profiles as you want using the app. It allows you to safeguard your account book with your personal PIN code. It also makes it easy to share transaction details with your clients/suppliers on a daily, weekly, and monthly basis.

Konnash is available in three languages: English, French, and Arabic. This app allows you to create customer and supplier profiles and begin documenting their credits and debits. You can also add, reconfigure, or delete customer and supplier transactions. You can use this app to add, adjust, and delete transactions for customers and suppliers, as well as send alerts and collect payments.