Google Play与Apple Store应用跨企业迁移及证书技术咨询

Hey there, let's break this down clearly for both Google Play and the Apple App Store—since each platform has unique processes, especially when navigating tense ownership dynamics between your company (X) and the developer (DEV).

Google Play's app transfer process revolves around account ownership shifts, with certificate management being a critical piece:

• Core Certificate Context: Every app on Google Play has two key certificates:
  1. App Signing Key: This is the permanent key that Google uses to sign your app for end users. If DEV enabled Google Play App Signing (the recommended default), this key is hosted by Google—you won't need to transfer the actual file, just ensure the transfer process validates ownership.
  2. Upload Key: This is the key DEV used to upload app builds to the Play Console. You can replace this with your own key after migration, so you don't rely on DEV's assets long-term.
• Migration Steps:
  • Initiate the transfer request from your X company's Google Play Console. You'll need DEV's Play Console account email and the app's package name.
  • DEV must approve the transfer request in their Play Console. If they're uncooperative, you can escalate to Google Play Support by providing legal proof of ownership (e.g., development contracts, copyright documents, payment records) to force the transfer—this takes longer but is possible.
  • Post-transfer: Generate a new Upload Key in your Play Console and link it to the app's App Signing Key. This ensures you control future uploads without needing DEV's involvement.

Apple's process is more tied to developer account assets like certificates and provisioning profiles:

• Certificate & Profile Basics: The app's distribution certificate, provisioning profile, and (if used) APNs push certificate are all tied to DEV's Apple Developer account. These can't be transferred directly—you'll need to create new ones under X's account.
• Migration Steps:
  • DEV must initiate the app transfer from their App Store Connect account, selecting X's team as the recipient. Again, if DEV refuses, submit legal ownership proof to Apple Developer Support to request a forced transfer.
  • Post-transfer:
    1. In your Apple Developer account, create a new Distribution Certificate and App Store Provisioning Profile matching the app's existing Bundle ID (this is non-negotiable—changing it would break user updates).
    2. If the app uses push notifications, generate a new APNs certificate and update your backend to use the new certificate's credentials.
    3. Test a build signed with your new certificate via TestFlight to confirm it works and doesn't break existing user updates.

• Document Everything: Gather all legal proof of ownership upfront—contracts, invoices, copyright registrations, any communication that confirms the app belongs to X. This will be critical if you need to escalate to platform support.
• Minimize Dependency on DEV: If DEV is uncooperative, don't waste time begging for their files. Focus on using the platform's official transfer escalation paths with your proof.
• Test Post-Migration Workflows: Before rolling out a production update with your new certificates, run thorough tests to ensure features like push notifications, in-app purchases, and auto-updates work as expected.

内容的提问来源于stack exchange，提问作者Davatar