mobile

Startup Mobile App Development

Looking for startup mobile app development? I'm Olle Evertsson, an independent fullstack engineer based in Stockholm helping teams ship production-grade systems across startup app, mvp app for startup, rapid startup mobile.

Stockholm is full of developers — but few have deep experience shipping production-grade systems end-to-end. My focus is work that actually ships, gets paid for by real customers, and is maintained over time.

In practice I work with: startup app, MVP app for startup, rapid startup mobile.

Why work with me

  • Senior fullstack experience across Next.js, React Native, AI, and Postgres.
  • Fixed price per phase — no hourly billing for uncertain work.
  • You own 100% of the code, infrastructure, and credentials.
  • Delivered from Stockholm, working with clients across the Nordics and EU.
  • GDPR-compliant architecture from sprint one — not bolted on afterwards.

How we work together

01

Discovery

We map the problem, your existing stack, and business goals on a 30-min call.

02

Proposal

Within 48 hours you get a concrete proposal with scope, milestones, and fixed price.

03

Build

Weekly demos, full repo access, and continuous deploys to staging.

04

Launch & support

We launch together and you can choose a support retainer for continued work.

Frequently asked questions

iOS, Android, or cross-platform?+

For 90% of apps, React Native or Flutter is the right call — single codebase, native feel, half the dev time. Go native only when you need heavy performance (AR, games, advanced camera).

How long for an MVP app?+

10–14 weeks from design to App Store release including device testing. You get TestFlight/Internal Testing builds weekly.

Do you handle App Store and Google Play submission?+

Yes. Metadata, screenshots, reviews, Apple review process, and post-launch updates. You need a developer account; I handle the rest.

What does post-launch support look like?+

Monthly retainer for bug fixes, OS updates, and new features. Crash monitoring (Sentry) and analytics (PostHog) included.

What does a mobile app cost?+

MVP apps start around €35k. Complex apps with backend, payments, and offline mode land between €70k–€150k.

Related services

Ready to start?

Book a 30-min strategy call