It's the first question almost everyone asks, and the honest first answer is unsatisfying: it depends. Not because we're dodging it, but because "an app" can mean a two-screen utility or a regulated platform with payments, messaging, and a dozen integrations. Those aren't the same project, and pretending they cost the same helps no one. What we can do is give you the framework we use to turn a vague idea into a number you can plan around.

Why quotes vary so wildly

If you ask five shops the same question and get answers an order of magnitude apart, it usually isn't because four of them are wrong. It's because they each imagined a different scope, a different level of polish, and a different team. A quote is only meaningful once everyone is picturing the same product. So before talking money, we pin down what's actually being built.

The factors that actually move the number

Cost is driven far more by scope and complexity than by hourly rates. In our experience, these are the levers that matter most:

  • Number and depth of features. Every screen and workflow is design, build, test, and maintenance. Ruthless prioritization is the single biggest cost control you have.
  • Platforms. One platform or several? Native on both iOS and Android roughly doubles mobile effort versus a single cross-platform codebase.
  • Backend and integrations. A standalone app is cheap. One that syncs with payments, third-party APIs, or existing enterprise systems is where real effort hides.
  • Design ambition. A clean app using standard components is efficient. A bespoke, highly animated interface is a craft project with a craft budget.
  • Non-negotiables. Compliance (health, finance), heavy security, offline support, and real-time features all add serious, unavoidable work.
  • The team. Senior engineers cost more per hour and usually less per outcome, because they make fewer expensive mistakes.

Think in phases, not one big number

The most useful budgeting shift is to stop thinking of an app as a single purchase. It's a sequence:

  • Discovery and design — a smaller, fixed investment to define scope, flows, and a clear plan. This is where you de-risk the big number.
  • MVP build — the first real, launchable version focused on your core hypothesis (we wrote about building MVPs that don't need a rewrite).
  • Iteration — ongoing work driven by real usage after launch.

Budgeting phase by phase means you commit real money only to the next well-defined step, and each decision is informed by what you learned in the last.

Rough bands (with big caveats)

People still want a ballpark, so here's how we frame it — as ranges, not promises. A simple, single-platform app with a handful of screens and no heavy backend is a modest project. A standard product MVP with accounts, a backend, and a few integrations is a mid-size engagement. A complex, multi-platform platform with compliance, real-time features, and many integrations is a major investment measured in quarters, not weeks. The right number for you only emerges after a discovery conversation — anyone quoting a precise figure before that is guessing.

Spend where it compounds

The cheapest app is rarely the one that costs the least to build; it's the one that doesn't need to be rebuilt, doesn't leak users through bugs, and can grow without a rewrite. We steer clients to invest in the parts that compound — a sound data model, clean architecture, and the core experience — and to defer the parts that don't yet matter. That's how a sensible budget produces a product that lasts.