Cross-platform app development cost for healthcare

There is no single figure, and quoting one would be the least useful thing this page could do — the same pairing spans several-fold depending on scope, compliance and how many surfaces you ship. What this page gives you instead is what the pairing demands: the regimes that may apply, the systems of record you will be asked to integrate with, the device matrix and the release path. The calculator below is already fixed to Cross-platform and healthcare — answer what is left and it returns a cost range, hours, timeline, team and running costs for your scope.

Because healthcare brings its own obligations before you write a feature: HIPAA, SOC 2 Type II, HITRUST CSF may apply, you will be asked to integrate with systems like EHR integration (Epic / Oracle Health) and FHIR R4 API layer, and there are typically 6 distinct roles rather than one. The platform contributes its own separate costs — the device matrix, App Store & Google Play review — and those are independent of the industry.

In this model a single native app is the baseline. Two native apps cost about 1.7× that, because the second platform reuses the product thinking, API and design but repeats the implementation and its own test matrix. One cross-platform codebase costs about 1.24× the baseline plus fixed bridge hours. So against two native builds you save roughly 25–30% of client engineering — a real saving, but smaller than the "half price, one codebase" pitch suggests, because testing does not halve.

Flutter renders its own widgets, so the UI is highly consistent across platforms and animation-heavy interfaces behave predictably; the cost is that nothing looks natively platform-idiomatic unless you make it. React Native uses native components and shares language and often code with a web front end, which matters a great deal if you already have a React team. For a greenfield mobile-only product, Flutter is usually the more predictable build. For a team already writing TypeScript, React Native is usually the cheaper hire.

Only if you handle protected health information as a covered entity or on behalf of one. A fitness tracker you sell directly to consumers generally is not in scope. A patient portal for a clinic, an app a provider gives to patients, or anything where you sign a business associate agreement absolutely is. The distinction is about your relationship with the provider, not the type of data — and it should be settled before you design your data model, because retrofitting HIPAA controls costs several times what building with them costs.

A single HL7 v2 interface through an integration engine is $30,000–$70,000. A FHIR R4 API layer is $45,000–$90,000. An Epic or Oracle Health app-program integration runs $60,000–$160,000 and is gated by their onboarding and review timeline rather than your engineering speed, so it belongs on the critical path from day one. Read-only access is dramatically cheaper than write-back, and starting read-only is usually the right call.