Knowji vs Duolingo Max: Best Education AI Tools in 2026?
Knowji vs Duolingo Max — compare Education tools: pricing, rating, and features.
Who wins? Click the side you support to cast your vote.
| Category | Education | Education |
| Pricing | Freemium | Freemium |
| Rating | 4.2 | 4.7 |
| Features | Vocabulary with spaced repetition and AI. For language learners. vocabularyspaced repetitionlanguageAI | Duolingo with GPT-4. Explain my answer and roleplay conversations. languageGPT-4roleplayAI |
AI In-Depth Evaluation
Knowji
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Duolingo Max
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Subscription:Both are freemium. Duolingo Max costs $12.99/month or $95.99/year for GPT-4 features. Knowji's paid tier pricing is unknown but likely lower-cost or ad-supported.
Latency / TTFT:Duolingo Max: Higher latency due to GPT-4 integration; Knowji: Lower latency for core vocabulary drills.
Multimodal & ecosystem:Duolingo Max integrates GPT-4 for conversational roleplay and explanations, with broader app ecosystem (mobile, web). Knowji focuses on standalone vocabulary training with spaced repetition, lacking third-party integrations or multimodal features.
Privacy & compliance:Duolingo complies with GDPR and COPPA; SOC2 status unclear. Knowji's privacy policies are unspecified publicly, but likely GDPR-compliant for EU users. Neither discloses detailed compliance certifications.
Choose Duolingo Max for interactive AI-powered conversation practice and explanations. Opt for Knowji for focused vocabulary retention via spaced repetition, especially if budget is limited. Duolingo suits learners wanting dynamic AI engagement; Knowji fits those prioritizing structured word memorization.