Shopping on a Budget [Android]

Sometimes we would like to buy within budget and as close to the budget as possible.

This apps is designed like a calculator. The user can input the unit price and quantity to calculate the total amount you ordered and the remaining amount that you can buy.

This apps is better than a usual calculator, as it can do the following:

1. It shows the remaining budget before discount, so you know what you can buy.
2. It can calculate the overall discount, so you don't need to calculate the discount for every items.
3. You can also set up tax rate or exchange rate in the calculator, so when you go overseas, you can easily buy within the budget of your own currency.
4. If you put back a certain item while shopping, you just need to swipe out the item in the apps.

This apps is better than other shopping list apps on Google Play, as this apps:

1. Does not requires any permission while many apps collect user's information such as locations and contact list to make money.
2. Can input unit price and quantity and add new item quickly, while many shopping list apps are not budget-orientated and requires to click the box one by one to input the unit price and quantity.