The first step to save as a ninja is to know where your money goes!
Saving ninja in an application where you can easily save your expenses. Just click on the button of top-left or drag de left drawer from the left and then you can enter a quantity and optionally, some comment.
Once you have clicked the add button, your expenses will be automatically added to the expense list with the actual time and date.
If you wish to edit it, just click on it and a right drawer will appears allows you to edit any information related (Date, Time, Quantity and comment).
All the expenses are grouped by the day and it will shows you the total expenses per each day.
It also have a counter on the top of the list which shows you the total amount of expenses, so you can control better where does your money goes.
For any suggestion or comment, please don't be hesitate. I will response them as soon as possible.
This is an open source project where you can get the code for freen (Apache V2 Licence). You can find the source code here: