"Scelta" app helps you track and visualize your weight. Not only it shows weekly, monthly and yearly changes but also shows changes in the delta value.

To get the app you need to download it, log in with Facebook or Twitter and install the mobile version of Scelta for iOS.

Here’s how you can use it:

1. Open the app, go to "My Profile".

2. Log in with Facebook or Twitter.

3. You're now logged in and can start entering data.

4. You can also log in with the username and password you already created in Scelta or use the Scelta application to login and access your data.

5. Once you're logged in, you can start entering data for your weight.