How much does app maintenance cost per year?

Roughly 15 to 20 percent of the original build cost as a rule of thumb. An app that cost 40,000 dollars to build needs about 6,000 to 8,000 a year to stay healthy. That percentage rises for apps with heavy backends, many integrations, or frequent new features, and falls for simple, stable apps with little server dependency.

What happens if I do not maintain my app?

It stops working gradually. Every year Apple releases a new iOS and new devices, and without updates the app starts to break, loses compatibility, and can eventually be removed from the App Store for not meeting current requirements. An unmaintained app does not stay frozen and intact; it decays until it breaks, usually within one or two iOS cycles.

Does app maintenance include new features?

It depends how you define it. Basic maintenance covers keeping the app working: servers, bug fixes, security, and compatibility with each new iOS. New features are usually separate, as product evolution. It helps to split the two in your budget so you know what you pay to keep the existing app alive versus what you pay to grow it.

Why does a cheap app become expensive to maintain?

Because the upfront saving usually comes from lower-quality code, and that code costs more to maintain: more bugs, harder to update, and sometimes impossible to evolve without a rewrite. The total cost of ownership over three years can exceed that of a well-built app. What you save at the start you often pay back, with interest, in maintenance.

Can I reduce app maintenance costs?

Yes, mostly through decisions made early: insist on quality code, keep integrations to the essentials, and design a clean architecture that is cheap to update. After launch, separating maintenance from new features in the contract keeps costs visible. An app built well and kept simple genuinely costs less to maintain than a cheap, tangled one.

App Maintenance Costs: What Happens After Launch

Short answer

App maintenance costs roughly 15 to 20 percent of the original build price every year. For a 40,000 dollar app that is about 6,000 to 8,000 annually. It covers servers, updates for each new iOS, bug fixes, security, and small improvements. It is not optional: an app with no maintenance stops working within one or two iOS cycles. If you are still estimating the build itself, start with our guide on how much it costs to build an app; this covers what comes after launch.

Why an app needs maintenance even if you never touch it

An app is not a brochure that you print once and forget. It lives in an environment that changes constantly underneath it:

iOS changes every year. Apple ships a new version annually, plus devices with new screens and capabilities. What worked can stop working or look wrong.
Dependencies expire. The libraries and services your app relies on update, and old versions lose support or security patches.
Apple’s rules evolve. The App Store Review Guidelines change, and features like account deletion have gone from optional to mandatory. An app that does not adapt can be removed.
Bugs surface with real use. Things no test caught, that only appear with thousands of users on hundreds of device combinations.

So a finished app does not really exist. Version 1.0 is finished; from there the app has a working life, and that life costs money to sustain. The question is never whether to maintain, only how much, and the sooner you accept that the app is a living product rather than a delivered object, the more accurate your budget will be.

What maintenance actually covers

The word maintenance bundles together very different line items. This is the breakdown we use with clients:

Item	What it covers	Typical weight
Infrastructure	Servers, database, notifications, storage	Fixed monthly
Compatibility	Adapting to each new iOS and device	Annual, concentrated
Bug fixes	Resolving issues found in production	Variable
Security	Patches, dependency updates, encryption	Ongoing
Third-party services	Maps, payments, analytics licences	Per usage
Support	Handling user and store issues	Variable

Infrastructure is the floor: it exists whether or not anyone uses the app. Compatibility with each iOS is the most predictable annual peak. And third-party services scale with your users, a good problem that is still worth watching in the budget.

The 15 to 20 percent rule, and when it breaks

The quick rule, budgeting 15 to 20 percent of the build cost per year, works as a starting point, but it helps to know what moves it:

It rises toward 25 percent or more for apps with heavy backends, many external integrations, or a fast pace of new features. The more alive and connected the app, the more maintenance.
It falls toward 10 percent for simple, stable apps with little or no server dependency. A well-built content app that rarely changes needs almost nothing between iOS versions.

The factor that matters most is not size but the quality of the original code. Here is the uncomfortable connection: a cheaply built app usually brings expensive maintenance, because the saving came from cutting the quality you now have to sustain.

To pick the maintenance level that fits your app, this table sets out the three common tiers and when each makes sense:

Level	What it covers	For which app	Rough annual cost
Minimal	Compatibility with each iOS and basic security	Stable apps or short-lifecycle apps	8 to 12% of build
Standard	The above plus bug fixes, support, small improvements	Most business apps	15 to 20% of build
Active	The above plus new features each quarter	Products in active growth	25% or more of build

Most business apps sit comfortably in the standard tier. Moving up to active is an investment decision, not a maintenance one: you pay more because the product is growing, and that growth returns retention and revenue.

What quietly grows: third-party services

One maintenance line deserves its own attention because it grows by surprise: third-party services. Maps, messaging, identity verification, and analytics usually bill per use, cheap with few users and expensive with many. That is not a problem in itself, since it means the app is growing, but it is worth reviewing once a year. Sometimes a cheaper alternative covers the same need, or a service you thought essential is barely used and can be removed. Auditing the active integrations is one of the highest-return reviews in the whole maintenance budget, and it is the kind of check a team that knows your code can do quickly.

The total cost of ownership over three years

Looking only at the build price is like buying a car on sticker price alone and ignoring the fuel economy. The number that matters is total cost over three years: build plus three years of maintenance.

Take two apps that cost the same to build on paper:

App A, well built: 40,000 to build plus three years at 17 percent, about 60,000 over three years.
App B, cheap and fragile: 28,000 to build plus three years at 30 percent because of more bugs and harder updates, about 53,000, with a higher risk of a rewrite that would blow past both.

The cheap app starts ahead and finishes close, with more pain along the way and a real chance of a rewrite that erases the saving entirely. This is why building natively in Swift with clean code is not a luxury but a medium-term cost decision: fewer bugs, faster adoption of each iOS, and cheaper updates.

The annual iOS peak you cannot skip

Of all the line items, one arrives like clockwork: the update for the new iOS each autumn. Apple previews the system in summer and releases it in September, and with it come design changes, new capabilities, and sometimes requirements that force changes to the app. And your users move with it fast: Apple’s own adoption figures, measured on June 7, 2026, show 86 percent of iPhones from the last four years already running iOS 26. Within months of each release, the new version is where most of your audience lives, and your app has to be flawless there.

What that peak involves:

Testing the whole app on the new iOS beta before it reaches the public, so you hit launch day without surprises. A beta through TestFlight makes this manageable.
Fixing what breaks: a component that changes behaviour, a new permission, a screen that looks different.
Using what is new where it fits: each version brings capabilities that can improve your app at low cost.

Teams that ignore this peak meet it anyway, in the form of one-star reviews in October. Budgeting it as a fixed annual appointment is far cheaper than reacting once users are already complaining, and it is the most predictable part of the whole maintenance year, so there is no excuse for it to arrive as a surprise.

How to keep maintenance costs under control

Some decisions, made early, lower the annual bill for good:

Insist on quality code from day one. It is the biggest lever and can only be pulled at the start.
Keep integrations to the essentials. Every external service is a fee, a dependency to update, and a source of bugs.
Design the architecture for maintenance. A well-structured base updates in hours; a tangled one in weeks.
Test each release before publishing. Catching a bug in beta costs a fraction of catching it in production with angry users.
Separate maintenance from evolution in the contract. Then you know what you pay to sustain versus to grow, and can adjust each.

Also insist that the code repository is in your name from the start. It is your asset, and it lets you change maintenance provider without starting over. Tie every maintenance fix to a note in your tracker too, because the pattern of what keeps breaking tells you where the design needs a stronger default: if the same kind of bug recurs, the fix is a better underlying component, not another round of patching the symptom.

When minimal maintenance is enough

Not every app needs the full 20 percent each year. If your app has served its purpose, a campaign, an event, an internal tool that no longer changes, and does not depend on servers, you can move to minimal maintenance: just the annual update to stay compatible with the current iOS and avoid removal from the App Store. That is a legitimate choice, as long as it is a conscious one. What does not work is assuming that not touching the app costs nothing: even if you add nothing, the compatibility and security floor has to be walked once a year, and any servers keep billing every month.

If your app is instead a growing product, maintenance stops being a defensive cost and becomes investment: each release improves retention and reviews. There it helps to work with a team that knows the code from its design, because the best maintainer is whoever built it well. You can see the standard of finish we mean in our work, and talk through your project, build and maintenance together as one honest set of numbers, at a short call.