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App Development Company

4mobile

Software house 4mobile s.r.o. building mobile, desktop and web apps across many platforms

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About 4mobile

4mobile is a development house, trading as 4mobile s.r.o., that builds applications for many platforms at once. It handles both back-end architecture and client apps, so that customers can focus on their product while it deals with the technical work.

What 4mobile offers

Mobile trading apps: the xMobile and xTab clients for broker XTB, with charts, indicators, drawing tools, economic news and tutorials.
Streaming services: back-end and front-end technology for the MusicJet legal music streaming and download service.
Language learning apps: a phrasebook app built with National Geographic.
Cross-platform delivery: clients for iOS, Android, Windows, Windows Phone, Symbian and the web.

Clients

Its projects list XTB, National Geographic and MusicJet, the last run with record labels including Universal, EMI, Warner, Sony and Supraphon.

Key facts

Legal form: s.r.o.
Platforms: .NET, iOS, Android, J2ME, WPF, Silverlight, Qt, HTML5, Flash
Back-end: .NET/IIS with MSSQL

Profile written by TrustList from the business's own published information, Sep 2026.

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Categories & features

Rankings

App development company › Video#20

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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