3D Hypercube vs LeitnerAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Hypercube
Explore the fascinating 3D projection of a 4D Tesseract. This educational app utilizes VR technology to provide an immersive learning experience about complex geometric concepts.
- 3D projection of a 4D Tesseract
- Virtual Reality (VR) integration
- Educational geometry visualization
- Immersive learning experience
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3D Hypercube - experience the 3D projection of a 4D Tesseract using VR!
LeitnerAI
This application uses the Leitner system to help users learn and memorize vocabulary. Words are sorted into boxes based on mastery, with AI assisting in creating an optimal learning path. It focuses on efficient study by prioritizing difficult words.
- Leitner system for spaced repetition
- Vocabulary memorization
- AI-generated learning paths
- Progress tracking through study boxes
- Focus on difficult words
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No extra features. No distractions. LeitnerAI uses the proven Leitner system to help you memorize vocabulary through spaced repetition. • 5-box Leitner system — words progress as you learn them • Interactive flashcards with hints and translations • AI-powered word generation (optional) • CSV import for bulk vocabulary • Daily reminders and study streaks • Weekly goals and milestone tracking All words start in Box 1. Remember a word and it moves forward. Forget it and it returns to Box 1. Easy words step aside; hard words get your attention. Built for one thing only: learning and memorizing vocabulary.
Screenshots
Verdict
The clearest difference is review sentiment: LeitnerAI at 100% against 3D Hypercube's 0%. LeitnerAI also leads on update cadence (every 3 weeks vs every 8 months). 3D Hypercube's advantage is iOS requirement (12.1 vs 16.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
3D Hypercube ships an update every 8 months, LeitnerAI every 3 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.
| Parameter | 3D Hypercube | LeitnerAI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 7 — better |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 90 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomas Jacinkevicius | Amir Faghihi |
Customer experience
3D Hypercube
LeitnerAI
In-app purchases
3D Hypercube
No in-app purchases
LeitnerAI
No in-app purchases
Questions
Is 3D Hypercube free?
Is LeitnerAI free?
Do 3D Hypercube or LeitnerAI have ads?
Which is updated more often, 3D Hypercube or LeitnerAI?
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