Tandem (app)

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Tripod Technology GmbH

Type of site	Language Exchange Platform Privately Held Corporation
Available in	Multilingual Chinese (Simplified, Traditional) English French German Italian Japanese Korean Portuguese (Brazilian) Russian Spanish (Latin American) [1]
Headquarters	Berlin, Germany
Founder(s)	Arnd Aschentrup, Tobias Dickmeis, Matthias Kleimann
Industry	E-Learning, Online Education
Services	Language exchange, Online tutoring, Tandem language learning, Online learning community
URL	www.tandem.net
Registration	Required (free)
Launched	February 2015; 10 years ago (2015-02)
Current status	Active
Native client(s) on	Android, iOS

Tandem is a mobile language exchange application and global language learning community available on iOS and Android.^[2] The app facilitates communication via text, voice, and video chat, enabling members to improve their language skills while forming cultural connections.^[3] As of January 2025, the platform supports over 300 languages, including 20 sign languages, 20 indigenous languages, and six fictional languages, such as Mandalorian and Klingon.^[4] Tandem is used by over 30 million members worldwide.