# 3D Hypercube vs LeitnerAI

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.

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.

## The numbers

| Metric | 3D Hypercube | LeitnerAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/leitnerai-simple-anki/id6755983344/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 90 MB | 5 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Tomas Jacinkevicius](https://appshunter.io/developer/1444361039) | [Amir Faghihi](https://appshunter.io/developer/1857837795) |

## What reviewers say

### 3D Hypercube

[App page](https://appshunter.io/ios/app/3d-hypercube/id1445757973)

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.

**Highlights:** 3D projection of a 4D Tesseract, Virtual Reality (VR) integration, Educational geometry visualization, Immersive learning experience

**Features:** macOS Compatibility

**In-app purchases:** none


### LeitnerAI

[App page](https://appshunter.io/ios/app/leitnerai-simple-anki/id6755983344)

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.

**Highlights:** Leitner system for spaced repetition, Vocabulary memorization, AI-generated learning paths, Progress tracking through study boxes, Focus on difficult words

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 3D Hypercube free?

3D Hypercube is free to download, with no in-app purchases.

### Is LeitnerAI free?

LeitnerAI is free to download, with no in-app purchases.

### Do 3D Hypercube or LeitnerAI have ads?

Neither 3D Hypercube nor LeitnerAI shows ads.

### Which is updated more often, 3D Hypercube or LeitnerAI?

3D Hypercube ships an update every 8 months, and LeitnerAI every 3 weeks. Most recently, 3D Hypercube was updated on October 2, 2026 and LeitnerAI on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*