Mobile app development for startups in Spain — servicio Dribba
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Flutter-first agency · Barcelona · Andorra

Mobile app development for startups in Spain

MVP in 6–12 weeks, app in production on the App Store and Google Play, senior team and CI/CD from day one. Proposal within 1h.

Google Flutter PartnerMVP 6–12 weeks100+ apps in production

TL;DR

Dribba builds production mobile apps for startups and companies in Spain. Offices in Barcelona and Escaldes-Engordany (Andorra). Main stack Flutter for iOS and Android with a single codebase, native parity on critical widgets and CI/CD (Codemagic / Fastlane). We ship MVPs in 6–12 weeks with the app deployed to the App Store and Google Play, analytics, crash reporting and documented handover. We're the only Spanish agency in Google's official Flutter consultant directory, with more than 300 projects delivered since 2011 to seed–Series A startups and Fortune 500 corporations (sectors: health, retail, fintech, logistics, insurtech).

Resumen · datos clave

Servicio
Mobile app development for startups
Qué incluye
  • Flutter MVP (iOS + Android) in 6–12 weeks with CI/CD, crash reporting and analytics
  • Conversion-oriented UX/UI design and deploy to the App Store and Google Play
  • Full handover: code, documentation, runbooks and client-team onboarding
Plazo típico
Kick-off in 15 days · MVP in 6–12 weeks · first store release week 8–14
Inversión
From €18,000 (fixed-scope MVP) · Typical range €35,000–120,000
Diferencial
The only Spanish agency in Google's official Flutter consultant directory, in production with Flutter since 2017 — before it reached stable.

We work with founders and product teams who need a mobile app in the market, not a PowerPoint with wireframes. We arrive with a senior team that has shipped dozens of iOS and Android apps to production. There's no layer of juniors behind the salesperson: the engineer who signs the proposal is the one who writes the code.

We bet on Flutter because for 9 out of 10 startups it's the right call in 2026: a single codebase, iOS/Android parity from the first commit, hot reload that cuts the iteration cycle to seconds, and native performance on critical screens (lists, charts, animations). When a client asks us for pure native, we say so: there are cases where it makes sense (professional audio, advanced AR/VR, very low-level CarPlay/Android Auto integrations). For everything else, Flutter wins on time-to-market, cost and maintainability.

The delivery model is transparent: fixed scope for MVPs, time-and-materials when there's high uncertainty, a dedicated team for continuous product. Fixed proposal in 1 hour, kick-off in under 15 days, biweekly demos, code in the client's repository from sprint 1. If the client team wants to take the code over at 6 months, we hand you everything: documentation, runbooks, ADRs and technical onboarding.

Qué incluye

  • Discovery (1–2 weeks): we define scope, success metrics, technical architecture and release plan at a fixed price.
  • Design sprint (2–3 weeks): wireframes, high-fidelity flows and a clickable prototype in Figma to validate with users before coding.
  • Sprint 0 (1 week): client repository, CI/CD operational, first build on TestFlight, dev/staging environments deployed.
  • Development (4–8 weeks): biweekly demos with an installable app, sprint reviews open to the client team, code reviewable in real time.
  • Launch (1–2 weeks): submit to the App Store and Google Play, review management, monitoring of the first 72h post-release, documented hotfix plan.
  • Post-launch retainer (optional): 3–6 months of maintenance, evolution and platform support (Apple/Google policy changes, Flutter breaking changes).
FlutteriOSAndroidMobile App DevelopmentStartup MVPApp StoreGoogle PlayCI/CDCodemagicSpainBarcelona

¿Encaja con lo que necesitas?

Reserva una reunión con un partner

30 minutos. Sin pitch comercial. La conversación es contigo y con quien va a construirlo. Respuesta en menos de 1 hora.

Respaldo

+300

proyectos

15+

años

Flutter

partner oficial

Why Flutter for startups

A single codebase, native parity, real time-to-market

One team, not two

A single Flutter team covers iOS, Android, web and, optionally, desktop. You don't duplicate headcount or maintain two parallel roadmaps. The cost of a change is halved from day one.

iOS / Android parity from the first commit

Both platforms advance at the same pace. You launch together, debug together, monitor together. Zero discussions about which platform prioritizes which feature.

Hot reload and iteration speed

Changes visible in under a second during development. The feedback loop with product, design and stakeholders goes from hours to minutes. In an MVP, that's weeks gained.

Native performance where it matters

Skia + Impeller deliver 60–120 fps on lists, scroll, animations and charts. For professional audio, advanced AR/VR or very low-level hardware integrations, we tell you when NOT to use Flutter.

App Store and Play Store with no surprises

We've been publishing for years — we know Apple's review policy, the common rejections and the Google Play Console gotchas. Zero bureaucratic friction for your team.

An ecosystem with real backing

Flutter is a Google project with quarterly releases, a living ecosystem (Riverpod, GoRouter, Dio, freezed, Bloc) and an enterprise community. It's not an experiment.

What we deliver

Concrete deliverables in a Dribba MVP

An MVP isn't a demo. It's the app in production, with analytics, crash reporting, CI/CD and a client team able to iterate afterwards. This is what we deliver by default.

iOS + Android app
A single Flutter codebase with signed builds for App Store Connect and Google Play Console. Compliance with both stores' guidelines reviewed before submit.
CI/CD · Codemagic / Fastlane
Automated pipelines for builds, signing, distribution to TestFlight and Play Internal Testing. Releases with a push to main. No engineers touching keychains by hand.
Analytics · Mixpanel / Amplitude / GA4
Key events instrumented from sprint 1: install, signup, activation, retention. Cohorts and funnels ready for product to read without asking us for anything.
Crash reporting · Sentry / Crashlytics
Symbolicated stack traces, per-release alerts, automatic regression detection. If a version crashes, you know before a user tells you in a review.
Push notifications · FCM / APNs
Infrastructure with segmentation, scheduling and A/B testing. Integrated with your CRM or marketing tool if you have one.
Optional back-end · Firebase / Cloud Run
If you need a lightweight back-end (auth, Firestore, Cloud Functions) we stand it up in parallel. If you need a serious back-end in Go or Node, we build it on the same team.
Design system + tokens
Documented Flutter components, design tokens exportable to Figma. The app grows visually coherent when the client team adds screens.
Technical handover
Client repository, technical documentation, release runbooks, ADRs, on-site or remote onboarding of the internal team. No artificial lock-in.

The technical decision

Flutter vs. React Native vs. native (iOS/Android) in 2026

CriterioFlutterReact NativeNative iOS + Android
Main languageDartTypeScript / JavaScriptSwift + Kotlin
Render engineImpeller (Skia compatible)JS ↔ native-view bridgeUIKit / Jetpack Compose
Performance on lists and animations60–120 fps consistent60 fps with New Architecture60–120 fps consistent
MVP time-to-market6–12 weeks8–14 weeks12–24 weeks (double team)
Relative MVP cost1.1–1.3×1.7–2.2×
Hiring pool in SpainMedium-high and growingHighHigh but expensive (native senior)
Access to new native APIsVia plugins (a few weeks of delay)Via modules (similar delay)Immediate (Apple/Google SDK)
When it's the best optionStartups and companies that want iOS + Android with one teamWeb teams already living in React and sharing logicPro audio/AR apps, very low-level integrations, advanced games
When it's NOT the best optionReal-time audio, advanced ARKit/ARCore, complex CarPlay/Android AutoApps with 100% native UI or teams without a React backgroundMVPs with a limited budget and tight timelines
Official supportGoogle (quarterly releases)Meta + communityApple + Google

If your product fits one of the "When it's NOT the best option" rows for Flutter, we tell you on the first call and point you to the right stack.

Por qué elegirnos

Lo que nos diferencia en Mobile app development for startups in Spain.

Official Google Flutter Partner

We're the only Spanish agency in Google's official Flutter consultant directory. In production with Flutter since 2017, before it reached stable. You don't pay the learning cost.

Saber más →

Fixed price, no surprise invoices

A fixed-price proposal per sprint or per scope. If we take longer than estimated, we absorb it. We don't pass the uncertainty of timelines on to the client.

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NDA and full IP assignment

We sign an NDA on the first call. Full assignment of intellectual property to the client from the framework contract. No clauses that tie you to Dribba to evolve your product.

Preguntas frecuentes

Lo que nos preguntan sobre Mobile app development for startups in Spain.

For a startup the typical range goes from €18,000 (fixed-scope MVP, 6–8 weeks, a single platform or Flutter for both) up to €120,000 or more (multi-platform product with its own back-end, admin panel, CRM/ERP integrations and 3–4 months of development). Specialized boutique agencies in Spain move in the €70–120/h range. At Dribba we work at a fixed price per sprint, not by open hours, so you know the cost before signing.

Three objective reasons in 2026: (1) iOS/Android parity from the first commit, with no need to test platform divergences. (2) Stable 60–120 fps performance thanks to the Impeller engine, without the historical cost of the JS bridge. (3) A hiring pool in Spain big enough to scale and official Google support with quarterly releases. React Native is still a good option if the team already comes from React and shares logic with web; for everything else, Flutter is the safer bet.

A medium-complexity Flutter MVP (8–15 screens, auth, external API integration, push notifications, analytics) is in production between week 8 and 14. A more complex app (web admin panel, own back-end, integrated AI, hardware integration) can take 4–6 months. The prior discovery + design phase adds 2–4 weeks. At Dribba we start sprint 0 in under 15 days from signing.

By default: a Flutter app for iOS and Android, UX/UI design, a signed build published to the App Store and Google Play, CI/CD on Codemagic or Fastlane, analytics (Mixpanel/Amplitude/GA4), crash reporting (Sentry/Crashlytics), push notifications, a design system and tokens, technical documentation, release runbooks and client-team onboarding. What it does NOT include by default: your own back-end (we add it as a separate module) and 24/7 post-launch support (that's a separate retainer).

Yes, and it should be part of the deliverable. At Dribba we do it by default: signing, provisioning profiles, screenshots, initial ASO description, Apple review management (we know the common rejections), and a coordinated release on TestFlight, Play Internal Testing and production. Your team never touches a certificate.

We've launched products with seed-Series A startups in sectors like health, retail, fintech, logistics and insurtech, with Fortune 500 corporations, and with consumer-sector leaders such as ISDIN. The public list is at /clientes and /proyectos; under NDA we cover many more.

Yes on both counts. NDA signed on the first call before sharing sensitive information. Full assignment of intellectual property is set out in the framework contract: code, design, documentation and any asset produced are the client's from the moment of signing, with no clauses tying the client to Dribba to evolve the product or hand the code to a third party.

There are two models: (1) A fixed monthly retainer (3–6 months with evolution hours, platform support and a response SLA) or (2) project-based if you only need occasional releases. The mandatory Apple and Google updates (SDK changes, privacy policies, Flutter breaking changes) we always cover, because ignoring them takes the app out of the stores sooner or later.

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