A mobile-friendly website or web platform is often easier for a first release because a user can open it without an app-store download. It can suit public information, enquiries, ordering, customer portals, and workflows that must work across devices.
A mobile app may be useful when the business needs frequent repeat use, device capabilities, notifications, offline behaviour, camera or location access, or a more controlled member experience. Those benefits also bring additional release, support, and update responsibilities.
Start with the user journey and the reason for the mobile decision. Prototype the most important task, test it with real users, and decide whether an app provides enough additional value to justify its operational cost.
Before development or a major change, turn this idea into a clear operating agreement: define the people who use the process, the records that must remain trustworthy, the approval boundaries, and the result the business will review. A small pilot with real examples can reveal missing rules earlier than a large build and make later support, handover, and integration safer.