How Much Does a Mobile App Cost in 2026?

It's the question we get asked most often, and it's also one of the least well answered online: "how much does a mobile app cost?" The truth is there's no single number, only a range that depends directly on what the app actually needs to do. Someone who read "an app costs €3,500" on a forum and someone who heard "budget at least €100,000" are really talking about two completely different projects. This article breaks down the real price ranges, the factors that move the bill, and above all the mistakes that make it explode.

The three complexity tiers

MVP: €6,900 to €18,000

A mobile MVP (Minimum Viable Product) is an app that tests a hypothesis with the minimum feature set needed to be useful. In practice, that generally covers:

• Simple authentication (email, or sign-in through an existing provider).
• A limited number of screens (5 to 12 functional screens).
• A minimal database and backend, often built on managed services to move fast.
• One core feature, executed well, rather than ten approximate ones.

It's the ideal entry point to validate a market before investing further. At Voltra, this type of project starts at €6,900.

Full application: €18,000 to €55,000

Once the hypothesis is validated, the app grows: more screens, a more robust backend, differentiated user roles, push notifications, integrated payments, sometimes offline sync. This is the most common tier for a business app or a consumer app with a real revenue model.

The cost in this range depends heavily on:

• The number of third-party integrations (payment, CRM, ERP, existing business APIs).
• Backend complexity (multi-user management, fine-grained permissions, real-time features).
• The number of target platforms (iOS only, Android only, or both).
• The expected level of polish on design and animation.

Ambitious product: €55,000 and up

Beyond that, you're into projects with demanding requirements: high user volume, complex backend architecture, heightened security (sensitive data, sector-specific compliance), advanced features (embedded AI, large-scale real-time capabilities, multiple integrations with enterprise systems). These projects are generally managed in phases, with successive validation milestones rather than a single final deliverable.

The factors that move the bill

The number of platforms

Does targeting iOS and Android double the price? Not necessarily, and that's precisely the appeal of React Native (see below): a large portion of the code is shared between the two platforms, which narrows the gap compared to separate native development for each OS.

The backend

An app that displays static content costs significantly less than one that manages user accounts, transactions, real-time data, or complex server-side business logic. The backend often represents a substantial share of the total budget, largely invisible to the end user but essential to how the app works.

The design

A generic design, reusing standard iOS and Android components, costs less than a custom visual identity with carefully crafted animations and micro-interactions. Where you land on that spectrum depends on how important visual differentiation is for your market.

Integrations

Every connection to a third-party system (payment, CRM, billing tool, a partner's API) adds development and testing time — even more so if the third-party system's documentation is incomplete or its API unstable.

Post-launch maintenance

A mobile app is never "finished": iOS and Android updates, new devices, security fixes, and feature evolution all require an ongoing maintenance budget. In our experience, this budget typically represents 15 to 20% of the initial development cost, per year. Anyone who budgets only for initial development without setting aside this maintenance often finds themselves stuck a year after launch.

Why React Native changes the equation

Historically, a "serious" mobile app required two separate builds: one in Swift for iOS, one in Kotlin for Android. Two teams, two codebases, twice the bugs to fix, twice the time for every new feature.

React Native (and the broader React ecosystem, which we use at Voltra in keeping with our Next.js/React stack on the web) lets you share a large portion of the code between iOS and Android. In practice, that translates to:

• Faster development to cover both platforms.
• A single codebase to maintain, so less behavioral drift between iOS and Android.
• A team that can reuse skills, and sometimes code, between web and mobile.

It's not a solution for everything: some very specific cases (intensive graphics processing, very advanced hardware features) still justify pure native development. But for the vast majority of business and consumer apps, React Native cuts the budget without sacrificing the quality users perceive.

The mistakes that blow up the budget

• Not defining a clear MVP scope: wanting to include everything in version 1 (instead of launching a solid base and iterating) multiplies development time and delays market entry.
• Changing direction mid-development: every change in functional direction after development has started generates rework, not just addition.
• Underestimating the backend: many founders think "app" and forget that half the work happens server-side, invisible on screen.
• Ignoring maintenance in the overall budget: launching an app without setting aside its annual upkeep is preparing an app for abandonment.
• Choosing solely on the lowest price: an unusually low quote often hides a poorly scoped project, which resurfaces later as costly change orders.

How to scope an MVP without getting it wrong

1. Start from a single user problem, not a feature list. What specific task should your app solve better than existing options?
2. List only the screens strictly necessary to make that task possible end to end — nothing more for version 1.
3. Identify the truly essential integrations for launch, distinguishing what's blocking from what's merely convenient.
4. Plan the maintenance budget from the start, not as an afterthought.
5. Ask for a firm quote, not a wide range that leaves the door open to change orders. At Voltra, we commit to a firm quote within 48h, based on a scope clearly defined together with you.

Let's talk about your project

The best way to know the real cost of your app is to scope its perimeter precisely, rather than guess from a generic range. Discover our approach to mobile app development, check our pricing for an initial estimate, or contact us for a firm quote within 48h.

Wondering whether custom development makes sense for your internal business tool rather than a generic SaaS? Our article on why custom business software applies the same cost/benefit reasoning to automating internal processes.