Кредитный калькулятор by Omdroid is an Android application that enables users to calculate loans with annuity payment method. The app is free to download and use, and can be found under the Business & Productivity category, specifically under the Finance sub-category. This program provides a wide range of features, including the ability to store information about your loans on your phone, manage payments, estimate changes in overpayment by specifying early repayment, and more. It also has a table view of payments with a clear separation of made and future payments. Additionally, the app provides reminders for upcoming payments, the ability to view paid loans, simulate payments, and a widget that shows when payments are due for saved loans.