Mobile app permissions are usually controlled by the operating system for a particular app and device state. Portability asks what happens to those decisions during device transfer, restore, account change, or platform change. Ownership asks who is authorized to grant, revoke, review, and document access. Compare the control model rather than assuming that moving apps also moves every privacy decision.
Identify where the decision lives
For each sensitive capability, record the app, device, operating system, signed-in account, permission category, current choice, and business or personal owner. Separate local device permission from the app's own account roles and from any organization policy. A camera permission may be local while uploaded files and team access are controlled in the service account.
Android's permissions overview explains that apps run in a limited-access sandbox and that runtime permissions require a user decision when the app needs protected resources. Apple's privacy and Location Services guidance says users can review apps by data category in Privacy & Security and grant or revoke access after an app has requested it. These models make the device's current permission screen the evidence for current access.
Test portability instead of assuming it
List each move you need to support: replacement phone, backup restore, direct transfer, work-profile enrollment, account change, and Android-to-iPhone or iPhone-to-Android migration. Perform a controlled test with a non-critical app. After the move, open system settings and verify every permission before using sensitive features.
Apple's Quick Start instructions say that a new iPhone or iPad can receive apps and data from iCloud or directly from the previous device and that both devices must remain near each other and powered until transfer completes. That documentation does not establish that every third-party app permission is preserved. Treat transfer completion and permission verification as separate checkpoints.
Compare ongoing maintenance
Review whether the platform offers one-time or limited access, automatic revocation for inactivity, privacy activity reporting, and a central list by permission category. Check how exceptions are documented and how users are notified when access changes.
Android's runtime permission guidance documents one-time access for certain sensitive permissions and automatic reset behavior for unused apps in supported versions. It also tells developers to check permission state when protected functionality is used rather than assuming a prior grant remains valid. This makes periodic verification important for both users and support teams.
Clarify ownership
Write down who owns the device, who owns the app account, who pays for the service, who can change organization policy, and who responds to a lost device or departing employee. Do not share a personal account merely to create a second administrator. Prefer documented organization-controlled roles where the app supports them, while leaving the individual's operating-system privacy choice intact.
Use a decision table
Compare candidates on permission granularity, explanation quality, denial behavior, visibility of current access, revocation path, transfer documentation, account separation, organization-policy support, audit evidence, and recovery after a device is lost. Mark unsupported or untested behavior clearly.
Before choosing a device or management approach, complete one transfer rehearsal and one revocation rehearsal. The portable option is the one whose permissions can be re-established and verified without guessing, and the durable ownership model is the one that survives a device or personnel change without using someone else's personal credentials.
Sources
- Permissions on Android — Google Android Developers
- About privacy and Location Services in iOS, iPadOS, and watchOS — Apple Support, May 20, 2026
- Use Quick Start to transfer data to a new iPhone or iPad — Apple, July 20, 2026
- Request runtime permissions — Android Developers