Free App Developer Quote Template
App developers quote in milestones because a native app on two platforms involves multiple distinct phases: design, build, testing, and submission. A quote that only covers the build phase leaves the client confused about why there are more costs after the app is coded.
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Frequently asked questions
How much does it cost to build a mobile app?
A simple single-platform MVP app costs €8,000 to €20,000 with a freelance developer. A cross-platform app (iOS and Android) built with React Native or Flutter costs €12,000 to €30,000. Complex apps with custom backends, real-time features, and payment integration start at €30,000 to €80,000.
What phases should an app development quote cover?
Quote each phase separately: UX and UI design, frontend development, backend API, third-party integrations, quality assurance, and app store submission. This lets the client understand what drives cost and makes it easier to descope features if the budget is tight.
Should post-launch support be in the quote?
Post-launch support should be quoted as a separate line item or a separate retainer. Maintenance, updates for new OS versions, and bug fixes after launch are ongoing work. A maintenance retainer of €500 to €1,500 per month is standard for an actively developed app.