Creating Effective Metadata
Promotional image. Each promoted in-app purchase requires a unique promotional image that best represents the in-app purchase. This image appears on your App Store product page; on the Today, Games, and Apps tabs if your content is featured; and can appear in search results.
Promotional images should not be screenshots, and should not be confused with your app icon.
We add a framing system to the image you upload to help convey that the in-app purchase is an addition to the app experience. When an in-app purchase appears on the App Store in places other than your product page — for example, in search results — your app icon is included in the lower left corner for further context. Ensure that your design isn’t obscured by the frame, and avoid putting important details in the lower left corner. We also recommend that you don’t overlay text on the image.
The file you upload will be a PNG or high-quality JPEG at 1024 x 1024 pixels. While this image is large for scaling purposes, your promotional image is usually seen at small sizes. Make sure that this image gracefully scales down to smaller sizes. For templates to help with the design of your promotional images, see Apple UI Design Resources.
Display name. Make sure that the display names you choose when creating your in-app purchases will be easily understood by your users and by customers on the App Store. Avoid generic names like “100 gems” and tie the name to your app in some way. For auto-renewable subscriptions, include the duration of the in-app purchase. In-app purchase display names can be up to 30 characters long.
Description. The descriptions of your in-app purchases should make it easy to clearly distinguish the benefits of each offering. Descriptions can be up to 45 characters long.
To learn more about specifications for promotional images, display names, and descriptions, see App Store Connect Help.