The build ends; the bill doesn’t. So how much does it cost to maintain an app per month? For a small app, expect a modest monthly bill covering hosting, updates and minor fixes — tens of dollars on the leanest setups, a few hundred once the app is active. Busier apps with real users to support pay several times that.
Those are planning bands, not quotes — every app is different. Think of the money as rent on four things: hosting (the server rent — a server is the computer your app’s data lives on), updates as Apple and Google ship new phone systems each year, fixes for the bugs real users find, and annual store fees. Our app development cost guide for Australia shows how the bill follows the build; the full cost breakdown itemises every line.
What moves the monthly bill up or down
Three things dominate. First, users: more people means more data on the server and more emails to answer. Second, features: logins, payments and maps all need care after they ship. Third, change: every phone update quietly retests your app. A quiet app can coast for months; a marketplace with thousands of users cannot.
In our studio, the first question before quoting maintenance is simple: who answers when a user gets stuck? Support time — not code — is the line that surprises new founders most. It’s also the first thing we scope at a free consultation with Pass Group.
How much does it cost to maintain an app per month, realistically?
Budget on the low end while the app is young and quiet, and expect the bill to grow with its success. A common rule of thumb is 10–20% of the build cost per year, spread across hosting, updates and fixes — so the monthly figure is mostly a question of how big the build was. If that yearly number scares you, the build was too big. Moneysmart’s guide to doing a budget is a handy template for folding a regular bill like this into your planning.
Treat maintenance as rent, not a surprise invoice: tens of dollars a month while the app is lean, a few hundred once it’s busy.
Two questions cover most of what founders ask us next:
What percentage of the build cost is maintenance each year?
Commonly 10–20% per year — the mobile app cost guide for Australia shows where it goes.
What does the app cost to build before maintenance starts?
From a $5,000–$20,000 focused version one into six figures at agency scale — what it costs to make an app in Australia walks through the bands.
Those are the general bands. Your figure depends on what the app does and how busy it is — which is a five-minute conversation, not a spreadsheet.
Get a Free Consultation
Tell us what your app does today and we’ll give you a realistic monthly maintenance figure — no jargon, no obligation.
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