How Much Does It Cost to Build a Mobile App?

Mobile app development cost typically ranges from around $20,000–$60,000 for a simple app, $60,000–$150,000 for a mid-range business app, and $150,000 upwards of $400,000 for a complex or heavily integrated product. Those are indicative ranges for a professional team, not a quote — the actual number is set by how many platforms you ship, how many features you build, how much the app has to integrate with, and where your team is based. This guide breaks down the real cost drivers, what sits inside each line of a quote, typical rates by region, how to estimate your own build, the fees that never appear in the proposal, and the levers that bring the figure down without wrecking quality.

What Determines Mobile App Development Cost?

Five factors move the number more than anything else:

• Platforms. iOS only, Android only, or both. Building natively for two platforms roughly doubles the app-layer effort; a single cross-platform codebase avoids most of that.
• Complexity and features. A read-only content app is cheap. Real-time chat, payments, maps, AI, offline sync and third-party integrations each add design, build and testing time.
• Design. A template-driven UI is fast; a distinctive, animated, accessibility-polished interface takes more hours but lifts retention.
• Backend and integrations. Much of the hidden cost lives here — APIs, databases, auth, admin tools, and wiring into the systems you already run. This holds for any bespoke build, not just apps: integrations are the largest and most underestimated line in what a custom CRM costs to build too.
• Team and location. Senior engineers cost more per hour but waste fewer hours; regional rates vary widely, so an experienced offshore or outsourced team can deliver the same scope for materially less.

One cost is easy to forget: maintenance. Budget roughly 15–20% of the build cost per year for OS updates, fixes, security and small improvements — an app is never truly "finished."

How Much Does It Cost to Build a Mobile App?

Every serious estimate is scope-dependent, but apps cluster into three recognisable shapes. The ranges below assume a capable team that designs, tests and documents its work — they are a sanity check for a quote you have received, not a substitute for a scoped estimate:

• Simple app — roughly $20,000–$60,000. A handful of screens, standard UI components, one platform or a single cross-platform codebase, little or no custom backend. Think a booking form, an event guide, a catalogue browser or an internal checklist tool. Timeline: around 2–4 months.
• Mid-range app — roughly $60,000–$150,000. Custom design, user accounts, payments or bookings, push notifications, an admin panel and several integrations, shipped to both iOS and Android. This is where most business apps land. Timeline: around 4–7 months.
• Complex app — roughly $150,000–$400,000+. Real-time features, AI or machine learning, offline sync, heavy third-party integration, high security or regulatory requirements, and scale from day one. Marketplaces, fintech, healthcare and logistics platforms sit here. Timeline: 8 months and up, usually delivered in phases.

Two caveats worth holding onto. First, the average app development cost is a misleading number — averages are dragged upward by enterprise platforms and downward by template apps, and neither resembles your project. Compare against the band your app actually sits in. Second, these ranges move substantially with region and seniority, which is why a mobile app development partner should give you a written estimate only after a short discovery — never a fixed quote off a one-line brief. The build-versus-buy thinking in our custom software guide applies here too: don't custom-build what an off-the-shelf SDK already solves.

What Does Each App Type Typically Cost?

Feature sets, not industries, drive price — but because certain app categories carry predictable feature sets, they land in predictable bands:

• Content, catalogue or internal tool app — simple band. Mostly screens over an API, few integrations.
• Booking, scheduling or field-service app — simple to mid band. Calendars, notifications and a back office push it up.
• E-commerce or retail app — mid band, higher with bespoke checkout, loyalty or stock logic. It usually has to talk to whatever runs the shop floor, which is why buyers evaluate it alongside retail management software.
• Fitness, education or subscription app — mid band. Subscriptions, content delivery and progress tracking.
• Marketplace or two-sided platform — mid to complex. Two user types, payments, ratings and dispute handling effectively means two apps and a backend.
• Logistics, delivery or driver app — mid to complex. Live location, routing, offline behaviour and integration with a fleet management platform are all cost drivers.
• Fintech, healthcare or regulated app — complex band. Compliance, audit trails, penetration testing and documentation add real engineering time on top of the features.

If your app spans two of these, budget for the higher band. Scope creep between categories — "it's a booking app, but also a marketplace" — is the most common reason a project lands at double its original estimate.

What Is Included in a Mobile App Development Quote?

Writing the app's screens is usually only about a third to a half of the budget — the rest goes on the work that makes those screens usable, reliable and shippable. A quote that shows only one "development" line is a quote you can't compare. Ask any vendor for a mobile app development cost breakdown roughly like this:

• Discovery and scoping (~5–10%). Turning your idea into a defined feature list, user flows and a technical approach. Skipping it is the single most reliable way to blow the budget later; if you're not sure what to build yet, a short IT consulting engagement is cheaper than a wrong build.
• UI/UX design (~10–15%). Wireframes, screen design, a component system and prototypes. Reusable design system work costs more up front and less on every screen after.
• App build (~30–40%). The client-side code: screens, navigation, state, offline behaviour, device permissions.
• Backend and APIs (~20–30%). Databases, authentication, business logic, admin tooling and integrations. On data-heavy apps this can exceed the app layer itself.
• QA and testing (~15–20%). Device and OS matrix testing, regression runs, release verification. Cutting QA and testing doesn't save money — it moves the cost into post-launch firefighting and bad reviews.
• Project management (~10%). Planning, coordination, demos and reporting. It's real work, and it's why estimates that omit it always drift.

Release, store submission and a short post-launch stabilisation window sit on top. When you compare two quotes, compare these lines — not the totals. A cheaper headline number that omits QA and project management usually isn't cheaper at all.

How Much Does App Development Cost by Region?

Team location changes the bill more than any other single factor, because app development is sold by the hour and hourly rates differ by a factor of four or more between markets. Indicative blended rates for an agency-quality team:

• North America and Western Europe — roughly $100–$200 per hour. Full time-zone overlap, the simplest contracting, and the highest total for identical scope.
• Eastern Europe and Latin America — roughly $40–$80 per hour. A middle rate that retains several hours of daily overlap with US and UK working days.
• South and Southeast Asia — roughly $20–$50 per hour. The lowest rates and the deepest talent pool, with an overlap window that has to be managed deliberately. This is why so much app work is outsourced to teams like our engineering team in Bangalore.

Multiply the band by scope and the effect is stark: a mid-range app at 1,200 hours costs roughly $180,000 at $150/hour and roughly $42,000 at $35/hour. That gap is real, but it is not free money — it only holds if the offshore team is genuinely senior, communicates in writing, and has shipped comparable apps before. A cheap team that needs everything specified twice erases the saving and then some, which is exactly what our checklist for choosing a software development company is designed to test for. Our comparison of in-house vs. outsourced development works through the onshore, nearshore and offshore trade-off in more depth.

How Do You Estimate Your Own App Development Cost?

You don't need an app development cost calculator to get within range of a real quote — those tools mostly multiply a feature count by an assumed rate, and you can do the same arithmetic more honestly in about twenty minutes. Work through five steps:

1. List the screens. Write down every distinct screen a user sees, including empty states, settings and error screens. Most people undercount by about half. A typical screen costs 15–40 hours across design, build and test.
2. List the integrations. Every external system the app reads from or writes to — payments, maps, SMS, your CRM, your ERP, an analytics tool. Budget 20–80 hours each depending on whether the API is well documented.
3. Flag the expensive features. Real-time updates, offline sync, chat, video, AI and anything with money in it are each multi-week items, not screens. Mark them separately.
4. Add the non-build percentages. Take your screen-and-integration subtotal as the "app build" line, then gross it up using the breakdown above: roughly double it to cover discovery, design, backend, QA and project management.
5. Multiply by a realistic rate, then add 20%. Use the regional band that matches your likely partner, then add a contingency. Every app project discovers something in month two.

Do this before you talk to vendors and you'll spot an unrealistic quote immediately — in either direction. A number far below your estimate usually means something has been left out of the scope, and the difference reappears later as change requests.

How Much Does iOS vs Android App Development Cost?

Built natively, iOS and Android cost roughly the same to develop — the difference is in testing, not coding. Android's device and OS fragmentation means a wider test matrix, which typically adds 10–20% to QA effort; iOS has a stricter and slower store review, which adds release overhead instead. Neither is reliably cheaper.

What is expensive is building both natively: two codebases means roughly double the app-layer build and double the ongoing maintenance. Three practical rules:

• Launching on one platform first is the cheapest way to validate an idea. Pick the platform your actual users are on, not the one you personally carry.
• Cross-platform closes most of the gap. One React Native or Flutter codebase serving both platforms typically costs 30–40% less than two native apps, and less again to maintain.
• Two native apps are justified only when performance, deep hardware access or platform-specific polish genuinely demand it.

Native vs. Cross-Platform: Which Is Cheaper?

For most business apps, cross-platform is cheaper because one codebase (React Native, Flutter) ships to both iOS and Android. You typically save on build and ongoing maintenance versus writing two native apps. Native still wins when you need maximum performance, deep hardware access, or platform-specific polish — games, AR, heavy graphics. For a standard product app, cross-platform usually delivers the same user experience for less, so start there unless a specific requirement forces native.

How Much Does It Cost to Build an AI App?

AI app development cost is driven by the engineering around the model, not the model itself. Adding a genuinely useful AI feature — a support assistant, document understanding, smart search, a recommendation engine — typically adds $15,000–$60,000 to a mid-range app, and considerably more when the feature is the product rather than a component. Three things account for most of that:

• Data work. Getting your data clean, accessible and safe to send to a model is usually the largest line, and the most commonly underestimated.
• Guardrails and evaluation. Approval steps, accuracy testing against real cases, and logging — the work that separates a demo from something you'd put in front of customers.
• Run-time cost. Unlike ordinary features, model usage bills per request and scales with your user base, so the spend continues after launch. Ask any vendor for a cost-per-thousand-requests estimate and set a hard cap.

Our guide to AI agents for business covers where this genuinely pays off, and how to choose an AI development company covers what to check before you fund the build. The honest starting point is a scoped pilot on one workflow, not an AI feature in version one of the app.

How Much Does It Cost to Maintain a Mobile App?

The build is a one-time cost; maintenance is ongoing. A useful rule of thumb is to budget 15–20% of the original build cost per year to keep an app healthy — so a $100,000 app costs roughly $15,000–$20,000 a year to run — and that spend covers far more than bug fixes:

• OS and device updates. Apple and Google ship new OS versions every year; an app that isn't kept current eventually breaks or gets pulled from the store.
• Security patches. Libraries and SDKs need regular updating to close vulnerabilities — non-negotiable for any app that handles user data or payments.
• Hosting and third-party fees. Servers, databases, push notifications, maps, SMS and analytics usually bill monthly and scale with usage.
• Small improvements. Real users reveal friction, and steady small changes are what keep retention up after launch.

You don't always need a full in-house team for this. Many businesses keep a small retainer with their build partner, or extend their team on demand with IT staff augmentation so a developer is on hand when an OS update or incident lands. The same ongoing-cost reality applies to any custom product — from a customer-facing app to a retail management platform or an enterprise service management system — so there's no such thing as "build it and forget it."

What Hidden Costs Should You Budget For?

The developer's build quote is rarely the whole bill. A handful of recurring line items sit outside it, and missing them is the most common reason an app budget slips once work is underway:

• App store fees. Apple and Google both charge to publish, and take a percentage of in-app purchases and subscriptions.
• Build and release pipelines. Automating builds, tests and releases across two platforms takes real infrastructure — teams that run self-hosted CI runners cut those pipeline costs sharply as build volume grows.
• Backend hosting and DevOps. Servers, databases, monitoring and scaling are an ongoing bill, not a one-off; a managed DevOps and cloud setup keeps it predictable instead of surprising you after launch.
• Third-party API metering. Maps, SMS, push notifications, payments and AI services bill per call and rise with your user base.
• Analytics and crash reporting. The tooling that shows how the app behaves for real users — small individually, steady in aggregate.

None of these are optional for a serious product, so fold them into the estimate from the start rather than discovering them in month three.

How Can You Reduce Mobile App Development Cost?

You control cost mostly through scope:

1. Launch an MVP first. Build the smallest version that solves the core problem, ship it, and let real usage decide what to fund next — which is exactly what our MVP development approach is for.
2. Go cross-platform unless a requirement genuinely demands native.
3. Cut the feature list ruthlessly for v1 — every "nice to have" is design, build, test and maintenance cost.
4. Launch on one platform and add the second once the first has users worth serving.
5. Choose the right team, not the cheapest rate. A senior team that scopes well usually costs less in total than a cheap one that needs everything re-specified — our checklist for choosing a development company covers what to vet before you sign.
6. Plan for the store and beyond. Factor in app-store review and launch requirements (see Apple's App Store Review Guidelines) and ongoing maintenance from day one.

Frequently Asked Questions

How much does it cost to build a mobile app? As an indicative range for a professional team: roughly $20,000–$60,000 for a simple app, $60,000–$150,000 for a mid-range business app with custom design and several integrations, and $150,000 to $400,000 or more for a complex, real-time or regulated product. Region and seniority move all three bands substantially.

How much does it cost to build a simple mobile app? Roughly $20,000–$60,000 for a few screens, standard UI and minimal backend, typically over two to four months. Keeping to one cross-platform codebase and a tight feature list is the best way to stay at the lower end.

What is the average app development cost? There isn't a useful average — the figure is pulled up by enterprise platforms and down by template apps, and neither resembles a typical business project. Compare your app against the simple, mid-range or complex band it actually belongs in rather than against a market average.

What is included in a mobile app development quote? A complete quote covers discovery and scoping, UI/UX design, the app build, backend and APIs, QA and testing, and project management — plus release and store submission. Coding the screens is typically only a third to a half of the total, so ask for the breakdown and compare quotes line by line rather than by headline total.

How do you estimate app development cost yourself? Count every screen (15–40 hours each), list every integration (20–80 hours each), flag the expensive features such as chat, offline sync or AI separately, roughly double the subtotal to cover discovery, design, backend, QA and project management, then multiply by a realistic hourly rate and add 20% contingency. It gets you close enough to spot an unrealistic quote.

Does location affect mobile app development cost? Significantly. Blended agency rates run roughly $100–$200 an hour in North America and Western Europe, $40–$80 in Eastern Europe and Latin America, and $20–$50 in South and Southeast Asia. The same scope can therefore differ threefold — provided the lower-cost team's engineering quality and written communication are genuinely strong.

What are typical hourly rates for app developers? Between about $20 and $200 an hour depending on region and seniority. Judge total cost of ownership rather than the headline rate: a higher rate with strong engineering often costs less once rework and delays are counted.

Is iOS or Android app development more expensive? Built natively they cost about the same. Android's wider device and OS matrix adds roughly 10–20% to testing effort, while iOS adds release overhead through stricter store review. The expensive choice is building both natively — two codebases roughly doubles build and maintenance, which is why cross-platform is the default for most business apps.

What hidden costs come with building a mobile app? Beyond development, budget for app store fees, build and release pipelines, backend hosting and DevOps, metered third-party APIs (maps, SMS, payments, AI) and analytics. These sit outside the build quote and are a common reason a budget slips, so plan for them up front.

How much does it cost to add AI to an app? Typically $15,000–$60,000 on top of a mid-range build for a genuinely useful AI feature, with most of that going on data work, guardrails and evaluation rather than the model. AI also adds a recurring run-time cost that scales with usage, so ask for a cost-per-thousand-requests figure and set a spend cap before launch.

Is it cheaper to build a native or cross-platform app? Usually cross-platform, because a single codebase serves both iOS and Android and is cheaper to maintain — typically 30–40% less than two native apps. Choose native only when performance or platform-specific features genuinely require it.

How long does it take to build a mobile app? A simple app takes roughly two to four months, a mid-range app four to seven, and a complex product eight months and up, usually phased. Timeline and cost move together, so a tighter scope shortens both.

Do you have to pay ongoing costs after launching an app? Yes. Plan for roughly 15–20% of the build cost each year for OS updates, security patches, hosting and small improvements — around $15,000–$20,000 annually on a $100,000 app. An app is a living product, not a one-off purchase, so budget for maintenance from day one.

Talk to Silver Hamster

Silver Hamster designs and builds iOS, Android and cross-platform apps — with senior engineers, honest scoping and full code ownership — for businesses worldwide. If you're budgeting an app, get in touch for a free consultation and a realistic, no-obligation estimate for your idea.