Knowji vs Learnosity AI
A detailed comparison to help you choose between Knowji and Learnosity AI.
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Verdict: Learnosity AI wins
Learnosity AI scores 4.1/5, edging out Knowji at 1.6/5. Edtech publishers, assessment providers and large platforms with engineering teams that need to embed scalable authoring, delivery and scoring rather than build it.
Knowji Visual vocabulary learning with spaced repetition and AI | Learnosity AI AI-powered assessment platform for personalized learning at scale | |
|---|---|---|
| Rating | 1.6 (1 review) | 4.1 (1 review) |
| Pricing Model | freemium | paid |
| Starting Price | Free tier available | From $500/mo |
| Best For | Nobody today — the service is discontinued; readers encountering old recommendations should pick Anki, Quizlet or Duolingo instead. | Edtech publishers, assessment providers and large platforms with engineering teams that need to embed scalable authoring, delivery and scoring rather than build it. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | free tiermobile app | api accessteam features |
| Visit Knowji → | Visit Learnosity AI → |
Knowji
Pros
- + Methodologically sound design in its lifetime: spaced repetition with visual, auditory and contextual mnemonics per word
- + One-time pack purchases ($3.99–$11.99 historically) instead of subscriptions, per directory records
- + Offline study after initial download, with progress and memorisation-prediction tracking
- + Content organised from elementary to graduate level with SAT/GRE/TOEFL and ESL packs
Cons
- - The company has closed: knowji.com is a parked domain as of 23 October 2026 and the official X account announced the shutdown
- - Orphaned App Store listings remain installable with no backend, no updates and no support
- - No pricing exists to quote — aggregator pages listing current Knowji subscriptions are stale scrapes
- - Coverage was primarily English vocabulary with no conversational practice
- - Learning data cannot be exported or recovered through any vendor channel now that the company is gone
Learnosity AI
Pros
- + Full assessment lifecycle APIs — authoring, 50+ question types, delivery, scoring, reporting — with the demo showing real partial-credit and item-analytics behaviour
- + Enterprise privacy posture: ISO 27001, GDPR/FERPA/COPPA compliance and regional data residency, which is table stakes for K-12 assessment data
- + Named customers include Pearson, College Board, HMH, Wiley and Instructure — procurement-vetted reliability signal
- + 24/7/365 support across three time zones with SLA-backed uptime of 99.8–99.9% and claimed delivered >99.97%
- + Tiering by user volume (100k / 500k breakpoints) lets platforms scale without re-platforming
Cons
- - No published pricing at all — quote-only sales, and the third-party $50,000/year base estimate is unverifiable
- - No free tier or self-serve trial; evaluation requires a sales process and engineering commitment
- - Agentic AI grading ships without published accuracy benchmarks or documented human-review controls
- - Assessments Premium and Analytics Premium cost extra below the Enterprise tier, so the advertised depth can inflate the real bill
- - Requires an engineering team for API integration — this is infrastructure, not a tool a school can turn on
Frequently Asked Questions
Which is better, Knowji or Learnosity AI?▼
Learnosity AI scores higher at 4.1/5 vs 1.6/5 for Knowji, making it the better-rated option in our comparison.
What is the difference between Knowji and Learnosity AI?▼
Knowji: Knowji teaches vocabulary through illustrated word cards and spaced repetition, with apps aimed at school-age learners and test preparation. Learnosity AI: Learnosity provides assessment APIs that learning platforms embed to author, deliver and score questions, with AI-assisted item generation.
Is Knowji or Learnosity AI more affordable?▼
Knowji starts at €0/mo, Learnosity AI starts at €500/mo. Check the comparison table above for current pricing.
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