Every "how much does an app cost" article gives you a number and a shrug. The number is real but useless without the reasoning behind it, because the same app idea can cost 40,000 or 400,000 depending on choices you make in the first week. Here is how the cost actually assembles, so you can see which levers move it.
The honest ranges
For a custom mobile app built by a competent team, in 2026 the rough bands look like this:
- Simple app (one platform, a few screens, a backend, basic auth): roughly 30,000 to 80,000.
- Moderate app (two platforms or cross-platform, several workflows, integrations, payments): roughly 80,000 to 200,000.
- Complex app (real-time features, heavy backend, offline sync, AI, strict compliance): 200,000 and well up from there.
These are build costs, not lifetime costs, and that distinction matters more than the bands themselves.
What actually drives the number
The price is not really about screens. It is about a handful of factors that compound:
- Platforms. iOS only, Android only, or both. Cross-platform frameworks let one codebase serve both, which usually saves money, but not always: heavily native, performance-sensitive apps can cost more to force cross-platform than to build twice.
- Backend complexity. A lot of an app's cost lives in the parts the user never sees: the server, the data model, the APIs, the admin tooling. A "simple" app with a complex backend is not a simple app.
- Integrations. Every third-party system (payments, mapping, identity, a legacy enterprise API) adds work and a source of future breakage.
- Real-time and offline. Live updates, chat, and offline-first sync are deceptively expensive. They look like single features and behave like subsystems.
- Design polish. A functional app and a delightful one can differ by a large multiple. Both are valid; just decide deliberately.
The screens you can see are the cheap part. The cost lives in the backend, the integrations, and the edge cases nobody puts in the mockups.
The cost most people forget
The build is a one-time number. The app is a recurring one. Plan for ongoing costs that often surprise first-time founders: app store fees, backend hosting that scales with users, third-party API charges, OS updates that force maintenance (Apple and Google break things on a schedule), security patches, and the support burden of real humans using your software. A reasonable rule of thumb is that annual maintenance runs 15 to 25 percent of the original build cost. An app you cannot afford to maintain is not cheaper; it is just a slower way to waste the build.
Where cross-platform saves money, and where it does not
The most common cost-saving instinct is "build it once for both platforms," and for the majority of business apps that is correct. A shared codebase genuinely halves a lot of the work. But it is not free everywhere. Apps that lean hard on platform-specific capabilities, demanding graphics, or squeezing the last drop of performance can end up fighting the framework, and the workarounds cost more than they save. The right call depends on the app, which is exactly the kind of thing worth deciding with someone who has built both ways rather than defaulting on principle.
Fixed price or a dedicated team?
How you engage a builder changes both the cost and the risk. A fixed-price contract suits a tightly scoped, well-understood app and pushes the risk of overruns onto the vendor, who prices that risk in. A dedicated team suits products that will evolve, where the scope is genuinely uncertain and you value being able to change direction. Neither is cheaper in the abstract; they distribute risk differently. We unpack the trade-off in detail in fixed price versus a dedicated team, and it is worth reading before you sign anything.
How to spend less without building a worse app
The strongest cost control is not negotiating the rate; it is scoping the work:
- Ship one platform first. Validate on the platform your users actually live on, then expand once you know it works.
- Cut to the core workflow. Most first versions carry features that no early user needs. Each one is real money.
- Use proven components. Authentication, payments and notifications are solved problems. Paying to rebuild them is rarely justified.
- Stage the build. A smaller first release that earns its keep funds the rest, and teaches you what to build next.
A note on cheap quotes
A quote far below the ranges above is information, not a bargain. It usually means the work has been underscoped, the team is junior and learning on your budget, or the parts that take real time (testing, security, the backend) have quietly been left out and will reappear as change requests. Transparent pricing tied to a clear scope is worth more than a low headline number, because the low number is the one that grows.
If you want a real estimate for your app rather than a band off a chart, tell us what you are trying to build and we will scope it honestly. For the broader picture across all software, not just mobile, see our 2026 software development cost guide.