Code Signing

Code signing your app assures users that it's from a known source and hasn’t been modified since it was last signed. Before your app can integrate app services, be installed on a device, or be submitted to the App Store, it must be signed with a certificate issued by Apple.

Common tasks

To avoid potential issues with common tasks involving code signing, follow these best practices:

Signing and running development builds

Beta testing


Essential guides and documentation

Worldwide Developer Relations Certification Intermediate Certificate update

For details about the intermediate certificate update, visit the Certificate Expiration support page.

Frequently asked questions

Apple Developer Forum discussions