રતનકલકર- Digital Hira Book is a free accounting app developed by Kavya App Creation. It is available on the Android platform and falls under the Business & Productivity category. This app is designed to make accounting easy for users who want to keep track of their finances without needing extensive accounting knowledge.

The app's interface is straightforward, making it easy to navigate. Users can perform accounting tasks without any hassle, such as adding expenses and income, managing accounts, and generating reports. It also has a calculator to help users with their calculations. With this app, users can keep track of their finances without having to rely on an accountant or have extensive accounting knowledge.