The Annapurna Memo app is a secure way to keep track of your expenses and income. It is a free app that works in offline mode. You can use it to save money for any purpose, including for travel.

The app helps you keep track of your spending and income and helps you make better financial decisions. You can also set it up to send you an email whenever you spend or receive money.

You can add the expenses and income that you have received and spent, and also set up a date for the next time you want to update the data.