OMG! So awesome!
Can create lessons to focus on a word or concept I’m having trouble with.

Master new languages through comprehensible input and build vocabulary with interactive lessons. Enhance reading and listening fluency with authentic content like news and books. Utilize AI-powered tools and dictionaries to quickly look up words and fill knowledge gaps.
1.0.2
July 17, 2026
Writing exercises don't make you close the virtual keyboard anymore. The check button is always visible. Check dat!
Premium plan with monthly subscription
DuoNinja utilizes comprehensible input to help users master languages. This method focuses on understanding language through context, building vocabulary with lessons, and enhancing reading and listening fluency with authentic materials.
While specific progress tracking features are not detailed, the app's structure of lessons, flashcards, and fluency practice implies a progression through learned material. Users can identify gaps in their knowledge and fill them.
The provided information does not mention any certifications offered by DuoNinja. The focus is on practical language acquisition and fluency development.
DuoNinja offers a 'Premium Monthly' subscription for $7.99 per month and a 'Premium Yearly' subscription for $47.90 per year, providing access to enhanced features.
Information on how to cancel a DuoNinja subscription is not explicitly provided in the app description. Users typically manage subscriptions through their device's app store settings.
DuoNinja is available on iPhone, iPad, and iPod, indicating compatibility with Apple's iOS ecosystem.
DuoNinja has an age rating of 12+, suggesting it is suitable for users aged 12 and older.
No, DuoNinja does not contain advertisements. The app is free to download and use, with optional premium subscription plans.