# 3D Hypercube vs Russian 4K Language Quiz

The clearest difference is in-app purchases: 3D Hypercube at none against Russian 4K Language Quiz's 1. 3D Hypercube also leads on iOS requirement (12.1 vs 17.6). Russian 4K Language Quiz's advantage is update cadence (every 3 months vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Russian 4K Language Quiz sells 1 one-off in-app purchase. 3D Hypercube asks for nothing beyond the download.

3D Hypercube ships an update every 8 months, Russian 4K Language Quiz every 3 months. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 3D Hypercube | Russian 4K Language Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/russian-4k-language-quiz/id1594089152/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 90 MB | 5 MB |
| Requires iOS | **12.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomas Jacinkevicius](https://appshunter.io/developer/1444361039) | [Warren Peters](https://appshunter.io/developer/1591974619) |

## 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


### Russian 4K Language Quiz

[App page](https://appshunter.io/ios/app/russian-4k-language-quiz/id1594089152)

Master over 4,000 essential Russian words with focused, distraction-free quizzes. Practice vocabulary in both directions with pronunciation audio and structured categories. Designed for consistent daily learning, it offers a clean, effective way to build confidence.

**Highlights:** 4,000+ essential Russian vocabulary, Pronunciation audio for every word, 12 structured learning categories, Bilingual translation practice, Customizable quiz lengths, Ad-free learning experience

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Vocabulary Categories | $3.99 | one-time |


## Frequently asked questions

### Is 3D Hypercube free?

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

### Is Russian 4K Language Quiz free?

Russian 4K Language Quiz is free to download, with in-app purchases available.

### Do 3D Hypercube or Russian 4K Language Quiz have ads?

Neither 3D Hypercube nor Russian 4K Language Quiz shows ads.

### Which is updated more often, 3D Hypercube or Russian 4K Language Quiz?

3D Hypercube ships an update every 8 months, and Russian 4K Language Quiz every 3 months. Most recently, 3D Hypercube was updated on October 19, 2026 and Russian 4K Language Quiz on October 11, 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.*