# Cube vs HeartTap Rush

The clearest difference is in-app purchases: Cube at none against HeartTap Rush's 3. Cube also leads on iOS requirement (13.0 vs 17.0). HeartTap Rush's advantage is ads (none vs shown) and update cadence (every 5 days vs every 4 months). On price and device support there is nothing between them.

Both are free to download. HeartTap Rush sells 3 one-off in-app purchases. Cube asks for nothing beyond the download.

Cube ships an update every 4 months, HeartTap Rush every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cube | HeartTap Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (26 ratings)](https://appshunter.io/ios/app/cube-geometric-projection/id1552379403/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 54.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 9 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Gude Aipu Technology Co., Ltd](https://appshunter.io/developer/1896411340) | [Tomonori Kowatari](https://appshunter.io/developer/1895573153) |

## What reviewers say

### Cube

[App page](https://appshunter.io/ios/app/cube-geometric-projection/id1552379403)

This game challenges your spatial reasoning by having you visualize 3D geometric shapes from their 2D projections. Test your imagination by predicting the final form based on front, side, and top views.

**Highlights:** Visualize 3D shapes from 2D views, Front, side, and top view observation, Spatial imagination training, Geometric puzzle gameplay

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### HeartTap Rush

[App page](https://appshunter.io/ios/app/hearttap-rush/id6763956839)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support (Small) | $0.99 | one-time |
| Support (Medium) | $4.99 | one-time |
| Support (Large) | $9.99 | one-time |


## Frequently asked questions

### Is Cube free?

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

### Is HeartTap Rush free?

HeartTap Rush is free to download, with in-app purchases available.

### Do Cube or HeartTap Rush have ads?

Cube shows ads; HeartTap Rush does not.

### Which is updated more often, Cube or HeartTap Rush?

Cube ships an update every 4 months, and HeartTap Rush every 5 days. Most recently, Cube was updated on October 25, 2026 and HeartTap Rush on October 24, 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.*