Use native when Apple frameworks are the product
If the user value depends on watchOS, widgets, Live Activities, HealthKit, CloudKit, or Foundation Models, native development keeps the product close to the platform.
Use web when distribution or iteration dominates
Landing pages, dashboards, admin queues, content products, and SaaS workflows often benefit from web speed and deployment cadence.
Let the trust promise choose the stack
The implementation should make privacy easier to keep, document, and test, not just easier to ship.