Apple Enables Purchase Migration Between Apple Accounts

Figure 1: Visual representation of the BeyondTrust vulnerability chain

Apple released support document 117294 on February 11, 2025, titled "Migrate purchases from one Apple Account to another Apple Account." A companion document (117267) provides additional context about the migration process and eligibility requirements.

According to Apple's documentation, the feature works through the Settings app on iPhone or iPad. Users navigate to their name, then Media & Purchases, then View Account, and finally Migrate Purchases. The process requires the user to be signed into two different Apple Accounts simultaneously on the device.

The support documentation specifies that the account signed in for iCloud and most device features becomes the "primary" account, while the account used for Media & Purchases becomes the "secondary" account. Purchases migrate from the secondary account to the primary account.

Apple's support documentation outlines specific technical requirements for the migration process:

Eligibility Requirements:

• Both accounts must have Two-Factor Authentication enabled
• Both accounts must be set to the same country and region for purchases
• The secondary account cannot be a member of a Family Sharing group at the time of migration
• Neither account can be a child account created through Family Sharing
• Neither account can already contain migrated purchases from a previous migration
• Users cannot migrate if both accounts have music library data associated with them

Process Limitations:

• Any balance remaining on the secondary account must be spent before migration
• Rentals and pre-orders on the secondary account must complete before migration
• In the European Union, South Korea, and China mainland, users may need to wait up to 15 days for purchases made using Apple Account balance to process
• The payment method on the secondary account must be verified during migration

Apple states that after migration, the secondary account can no longer be used for Media & Purchases. Users who delete their secondary account after migration will lose access to their purchases.

Figure 2: How the authentication bypass vulnerability works

The migration feature addresses a significant pain point for long-term Apple customers. Users who created iTunes accounts in the early 2000s and later adopted iCloud with different email addresses can finally consolidate their digital libraries.

Family Sharing becomes simpler for users who previously maintained separate purchase accounts. The feature eliminates the need to manage multiple account credentials across devices.

Developers and content creators benefit from cleaner customer data, as users consolidate their purchase histories into single accounts. App developers can more accurately track user engagement when customers no longer split their activity across multiple accounts.

The feature also simplifies device setup and management. Users no longer need to sign in and out of different accounts to access content purchased under different credentials.

Several restrictions limit the feature's utility for certain user groups:

Geographic Restrictions: Both accounts must be in the same country or region. Users who maintain accounts in different countries to access region-specific content cannot consolidate those purchases.

Music Library Conflict: Users cannot migrate if both accounts have music library data. According to Hacker News discussion, this restriction affects users who have uploaded music to both accounts through iTunes Match or Apple Music.

Family Sharing Complications: Users in Family Sharing groups face additional complexity. The secondary account must leave any Family Sharing group before migration. For families with children (who must be in a Family Sharing group), this creates a multi-step process requiring temporary reorganization of family structures.

One-Year Cooldown: Users who undo a migration cannot migrate purchases again for one year, according to Apple's documentation.

No Balance Transfer: Apple does not transfer account balances during migration. Users must spend any remaining balance on the secondary account before proceeding.

Watchlist and Continue Watching Data: According to user reports in the Hacker News discussion, migration may clear TV app data including Continue Watching lists and viewing history.

Figure 3: Privilege escalation from user to SYSTEM level

The migration process operates at the account level within Apple's backend systems. When a user initiates migration, Apple's servers reassociate purchase records from the secondary account to the primary account.

Conceptual Overview: Apple maintains purchase records tied to Apple Account identifiers. The migration process updates these records to point to the primary account's identifier while preserving the original purchase data, including dates, prices, and entitlements.

Technical Context (Optional): Apple's digital rights management (DRM) system, FairPlay, ties content licenses to Apple Account identifiers. Migration requires updating these license associations across Apple's content delivery infrastructure, including the App Store, iTunes Store, Apple Books, and Apple TV app. The complexity of this operation across multiple content types and regional licensing agreements likely explains why the feature took over two decades to implement.

The requirement that both accounts be in the same country or region relates to content licensing. Media licenses are typically negotiated on a per-territory basis, and transferring purchases across regions would require renegotiating or violating those agreements.

Apple's implementation of account migration sets a precedent for digital content portability. Other platform holders, including Google, Amazon, and Microsoft, maintain similar restrictions on transferring purchases between accounts.

The feature arrives as regulatory pressure increases around digital ownership rights. The European Union's Digital Markets Act and similar legislation in other jurisdictions have pushed platform operators to provide greater interoperability and user control over digital assets.

For enterprise customers, the feature simplifies scenarios where employees transition between personal and corporate Apple Accounts. Organizations that deploy Apple devices can more easily manage content licensing when employees change roles or leave the company.

The 20-year gap between the problem's emergence and Apple's solution illustrates the technical debt that accumulates in platform ecosystems. As John Gruber noted in Daring Fireball, Apple employees themselves have been affected by this limitation, suggesting internal pressure contributed to the feature's development.

Several aspects of the migration feature remain undocumented:

• Whether migration affects app-specific data stored in iCloud under the secondary account
• How migration interacts with Apple Business Manager or Apple School Manager deployments
• Whether migrated purchases retain their original purchase dates for warranty or support purposes
• The specific technical reasons for the music library data restriction
• Whether Apple plans to expand the feature to support cross-region migration in the future

Apple's support documentation does not specify whether the feature requires a minimum iOS or iPadOS version, though the process is only available through device Settings rather than web-based account management.

• User reports on migration success rates and edge cases over the coming weeks
• Whether Apple expands the feature to support additional scenarios, such as cross-region migration
• Regulatory responses to the feature in jurisdictions with active digital ownership legislation
• Whether competing platforms implement similar account consolidation features
• Apple's handling of support requests for users who encounter migration failures

1. Apple Support - "Migrate purchases from one Apple Account to another Apple Account" - https://support.apple.com/en-us/117294 - February 11, 2025
2. Apple Support - "About migrating Apple Account purchases between accounts" - https://support.apple.com/en-us/117267 - February 11, 2025
3. Daring Fireball - "Apple Support: 'About Migrating Apple Account Purchases Between Accounts'" - https://daringfireball.net/linked/2025/02/11/about-migrating-apple-account-purchases-between-accounts - February 11, 2025