Apps sharing some space with Polygloss

Polygloss target audience: Intermediate level

Polygloss pedagogical approach: Producing content in language

Most similar to Polygloss

Same target audience, same approach

Yask: https://yask.app

(learned about this app very recently, it's a fairly new app, but older than us in existence, turns out we are quite similar to them in approach, maybe not as much in what we implement and the marketing)

Apps tackling intermediate level

Same target audience, different approach

Clozemaster: https://www.clozemaster.com/

Apps for language exchange

Different target audience, same approach

HelloTalk: https://www.hellotalk.com/

Tandem: https://www.tandem.net/

Hinative: https://hinative.com

Other apps

Other apps for productive skills

Skritter: https://skritter.com/