A free app for Android, by WaveTechStudio.

Simple Budget is a personal finance manager that allows you to track all your expenses and bills, manage your savings and retirement accounts, plan for the future, and see all your finances offline. It is developed to be simple to use and is developed to track expenses and bills. The app is useful for tracking personal expenses and bills for individuals, households, and businesses.

Simple Budget allows you to control your personal finances and budget and see your financial reports and bills on your mobile phone. You can check your financial reports, bills, and spending on a weekly basis. You can also add bills and expenses to be paid later. You can also set up recurring payments for bills and expenses.

You can add categories to track expenses and bills. The categories can be broad (like health, entertainment, and grocery) or specific (like clothing, Internet, and rent). 

The app allows you to make recurring payments for bills and expenses. The recurring payments can be for a specific period (like a month) or for an unlimited period (like forever). The app allows you to track expenses for an unlimited number of months.

You can set up the app to make backups of your data. This allows you to restore your data on a different device or to another computer.