We are React Native mobile app developers & serverless specialists that will help launch your project.

Stefan Majiros - Mobile App Development Contact in Barcelona & Bratislava

Looking for app developers in Barcelona or Bratislava? We can help you build and launch a custom mobile app with React Native and serverless that perfectly suits your needs, ensuring that it will engage your users while making your business grow. We deliver what we promise: your app will be delivered on-time, on-budget and fully guaranteed. If you are not sure if we can help you, we also provide mobile consulting and React Native training - if you are interested in these options, just select them accordingly.

If you are looking to contact us, just choose an option that fits you best:

FAQs - Custom Mobile App Development, Contact


We are based in Barcelona, in GMT+2 Zone (CET), but as we often prefer to work in non-standard hours (evenings), we are happy to accept clients from the US and UK. The client syncing is provided at classic business hours (9-5) in the client time-zone .

On-site Work

When working with clients, we prefer to have a single point of contact. In very few (and very rare) situations we are open to spent some time on-site on client expenses, as we are far more productive when working remotely.

Payment Options

To start working on your project, a small payment (5% of rough cost estimate) from your side is necessary so we can create specification documents for legal contract. We accept payment by Transferwise, direct bank transfers or Stripe.

QA / Security Testing

If you are interested in enhancing the delivery process with e.g. security testing or quality assurance steps from your in-house professionals, we are of course open to involving these steps into app delivery process.

Support Models

As part of the mobile app delivery, we also offer training for people responsible for support, We also offer 3 months guarantee to fix bugs at no additional costs, however futher improvements, or adding new features in time period after delivery will be billed separately.

Not Offered Services

We are not considering any work in these areas: Web development, Marketing, Ads management, SEO services, backend-only development as we focus on cross-platform mobile development with React Native, serverless cloud, and mobile-centric solutions.

Not sure how we can help you ? Take a look at how we help clients grow their business.

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