FANDOM


Contents

Duolingo 2010 Duolingo 2 Duolingo 2019
2010 2011–2019 2019–present

2010

Duolingo 2010

Duolingo launched as a closed beta in 2010, before a private beta launch in November 2011.

2011–2019

Duolingo 2

2011–2012

2012–2013

2013–2019

2019–present

Duolingo 2019
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