You are eligible for an App Store refund if you have been double billed or if you feel the ESR app doesn't work as expected or can't be used with your device.
 
You can request a refund within 90 days of the purchase date through your purchase history. Limitations apply. 

To request a refund, visit https://reportaproblem.apple.com or follow the steps below.

You can only request a refund on items in your purchase history. 

1  View your purchase history
To open your purchase history, tap or click this link: View your purchase history.

You can see your purchase history in Settings on your iPhone, or in iTunes on a Mac or PC. You can also go to https://reportaproblem.apple.com using any web browser.

If a charge is pending, you haven’t yet been charged and can’t request a refund. After the charge goes through, try to request a refund again.


 
2 Locate the order in your purchase history

Find the order, then follow the directions for the device that you're using.

On your iPhone: Tap Total Billed at the bottom of the order, then tap the specific item.

On your Mac or PC: Click More below the price of the item.

On the Report a Problem website: Find the item on the Purchases tab.


3 Report a problem

On your iPhone: Tap or click Report a Problem below the item's details. A browser window opens to the Report a Problem website.

On the Report a Problem website: Tap or click Report a Problem to the right of the item.

If you don't see an option to Report a Problem, then the item isn't eligible for a refund request.


 
4 Describe your issue


Choose a reason for the problem, describe your issue, then tap or click Submit.

Based on the information that you provide, Apple might provide a refund directly, refer you to ESR Support, require additional information, or might deny the refund request based on refund eligibility.

5 Contact Apple Support

For more information about refund requests, contact Apple Support https://getsupport.apple.com > Select your product > Select the issue and Apple Support will call you in 1 minute or less, or if you prefer, you can call 1-800-692-7753.

If you can't find an item in your purchase history, make sure that you're signed in with the same Apple ID that you used to make the purchase.

Also make sure that it's not a family member's purchase charged to your payment method.

Some items and purchases older than 90 days aren't eligible for refunds. See the terms and conditions for more information.