How to create a spending - income plan on SmEx: Smart Expense Manager 

After successfully logging in to the SmEx: Smart Expense Manager , to start recording income and expenditure, you must enter "Monthly budget" to set a monthly spending plan for yourself.

To track as well as change your spending plan and income plan, you can take the following steps:

Step 1: Open the app, select “Plan” on the navigation bar.

Step 2: Select the unlock padlock icon to start editing the plan.

Step 3: Select the drag bar to adjust the amount, you can also directly select the amount to edit.

Step 4: After editing, just click the padlock again to save the above changes.

You can actively change the category or create a new category for yourself

Details at: How to manage the categories on the SmEx: Smart Expense Manager