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Ease of use3Features3Value for money3Performance3Support3Privacy & security3

	Cambly	Duolingo Best match for you
Your score	6.6	7.8
AppDuo score	6.6	7.8
Ease of use	7.8	9.0
Features	7.4	8.5
Value for money	6.4	8.2
Performance	7.0	7.8
Support	5.8	7.0
Privacy & security	5.0	6.2
Starts at	₫700,000/mo	Free
Free plan	No	Yes
Free trial	—	14-day free trial
Web	Yes	Yes
iOS	Yes	Yes
Android	Yes	Yes
Windows	No	No
macOS	No	No
Linux	No	No
Works offline	No	No
Public API	No	No
Self-hostable	No	No
Open source	No	No
AI features	No	Yes
Real-time collaboration	Yes	No
End-to-end encryption	No	No
Templates	No	No
Integrations	No	No
Mobile app	Yes	Yes
Launched	2014	2012
Developer	Cambly Inc.	Duolingo, Inc.
Best for	Learners with some basics who need speaking and listening practice with native speakers at hours that suit them Those who want a choice between cheaper small groups and 1-on-1 lessons with recordings and transcripts	Beginners who want a clear path and short daily lessons Learners motivated by streaks, rewards and leaderboards Anyone wanting to try several languages, or maths, music and chess, for free

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