Three questions decide almost every app project: should you build one at all, what should it be built with, and what will it actually cost to keep running.
Should you build one
Ask what the app does that a fast mobile site cannot. Legitimate answers include offline capability, device features such as camera scanning or location, push as a retention mechanism for an existing habit, and speed for genuinely frequent repeat use. If there is no clear answer, invest in the mobile site instead.
Native or cross-platform
Flutter and React Native cover most business applications at lower cost and faster time to market, from one codebase. Native is worth it for demanding graphics, heavy device integration or platform-specific behaviour. For a booking, commerce or field-operations app, cross-platform is usually the correct answer.
What it costs
A focused single-purpose app typically starts around AED 35,000. Commerce apps with backend integration, multi-role platforms and offline sync scale well beyond that. Budget separately for ongoing maintenance, because operating system updates alone require regular work.
The integration is the project
Most app cost sits in connecting to your existing systems: catalogue, stock, orders, customer records and payments. The interface is the visible part and rarely the expensive one.