To source the sales data for your app. Please follow the instructions below:
Apple
1. Log in to your App Store Connect account
2. Click on App Analytics
3. Click on the app you want to review
4. Click on Metrics in top toolbar
5. Select the date range of data you require from the top right calendar icon
6. Change any other metrics you want to explore
7. You can download the data by clicking on the download icon
Android
1. Sign in to your Play Console.
2. Select an app.
3. On the left menu, click Dashboard. You'll see a series of cards that show your app's data by set time periods. To get more information about a specific metric, click View details.
Note: For details on a specific metric, hover over the question mark icon 
Sign Up For a Service
The easiest way is to sign up for a free app tracking service such as Distimo. SImply go to their site, sign up for a free account and add your app store credentials. They will pull down the stats daily and aggregate them into one simple report.
Apps Published Under the My Tours Account
If your app is published under the My Tours account, please contact us at support@mytoursapp.com