Duolingo vs OptiLingo
Duolingo
duolingo.comOptiLingo
optilingo.comSide by side
| Figure | Duolingo | OptiLingo |
|---|---|---|
| Price from | Free | $0.50/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 2 | 6 |
| Spec score · Language learning apps | 9.0 (#12) | 8.5 (#56) |
| Founded | 2011 | 2019 |
| Free plan | Yes | No |
| Headquarters | Pittsburgh, Pennsylvania, United States | Chicago, Illinois, USA |
| Mobile apps | Yes | Yes |
| Offline lessons | Yes | No |
| Personalized review | Yes | Yes |
| Speech practice | Yes | Yes |
Plans
OptiLingo
- Annual$5.99 a year
- Quarterly$7.99 a month
- Monthly$9.99 a month
- Annual Plan$5.99 a year
- Quarterly Plan$7.99 a month
- Monthly Plan$9.99 a month
In their own words
Duolingo
Duolingo offers learning in languages, chess and math through short lessons that adapt to a learner’s level and pace. Language practice covers reading, writing, listening and speaking, with speech exercises, personalized review, offline lessons and a placement test among the listed tools. Challenges, reminders and game-like features provide ways to structure practice. Duolingo says its teaching methods are research-backed and aimed at real-world communication skills. It lists 40 languages and is available on Android, iOS, macOS and the web. The pricing note includes a free plan and a 14-day trial. Other listed products include the Duolingo English Test, Duolingo for Business, Duolingo for Schools, Super Duolingo and Duolingo Max. The English Test is described as AI-enabled and intended to be taken wherever and whenever users perform best. FAQs and service status information are available. Duolingo was founded in 2011 and is headquartered in Pittsburgh, Pennsylvania.