Math Grade Six vs Know It
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Math Grade Six
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Math 6 is an offline-first app for Grade 6 learners, combining theory, practice, tests, daily challenges, streak tracking, and two text-only mini-games in a clean, emoji-friendly UI. All lessons and questions are stored locally.
Know It
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STOP PASSIVE STUDYING. START MASTERING. You think you know your subject? Prove it. KnowIt is the first app that combines the Feynman Technique with advanced AI to turn your voice into the ultimate learning tool. Most students re-read notes endlessly. That’s inefficient. The only way to truly learn is to teach. KnowIt listens to you, grades your logic, and prepares your reviews automatically. HOW IT WORKS: Quick Session (Tap & Talk) No folders, no friction. Just open the app, hit the big red button, and explain a concept (Law, Code, Med, History...) as if teaching a toddler. AI Grading & "Roast" Our AI doesn’t just transcribe; it audits your knowledge. The Score: Get a raw understanding score (0-100). The Feedback: The AI identifies logic gaps, hesitation, and missing key facts. It tells you exactly what you don't know yet. Instant Flashcards Stop wasting hours typing cards. KnowIt automatically generates flashcards specifically targeting the gaps found in your explanation. Spaced Repetition (SRS) Review your generated cards with a smart algorithm (Anki-style). Swipe Right if you know it, Swipe Left if you forgot. We handle the scheduling to ensure long-term retention. WHY KNOWIT? Zero Friction: Designed for flow. Capture ideas while walking or commuting. The AI auto-titles and categorizes your sessions. Active Recall: Forces you to structure your thoughts, not just memorize them. Gamified Growth: Keep your Streak alive and watch your "Explanation Score" improve over time. Whether you are a med student, a developer learning a new stack, or a lifelong learner, KnowIt is the relentless tutor in your pocket. Download now and test your first explanation. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Math Grade Six at none against Know It's 2. Math Grade Six also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Know It sells 2 in-app purchases, starting at $3.99 per month. Math Grade Six asks for nothing beyond the download.
Math Grade Six ships an update every 3 weeks, Know It every 2 months. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | Math Grade Six | Know It |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 24 MB | 50 MB |
| Age rating | 4+ | 12+ |
| Developer | Ngoc Anh Nguyen | NOLAN OLIVIER DANIEL ESSERTAIZE |
In-app purchases
Math Grade Six
No in-app purchases
Know It
- Abonnement étudiant$3.991 Month
- Abonnement Illimité$12.991 Month









