# Grav Box vs My Rhythm Memory

The clearest difference is in-app purchases: My Rhythm Memory at none against Grav Box's 10. My Rhythm Memory also leads on ads (none vs shown) and iOS requirement (9.0 vs 14.0). Grav Box's advantage is update cadence (every 5 months vs every 43 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. Grav Box sells 10 one-off in-app purchases. My Rhythm Memory asks for nothing beyond the download.

Grav Box ships an update every 5 months, My Rhythm Memory every 43 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Grav Box | My Rhythm Memory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/grav-box/id1050320618/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 96.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 43 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 11 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Capraro](https://appshunter.io/developer/1691787728) | [Hilali Gokturk SENEL](https://appshunter.io/developer/1130563676) |

## What reviewers say

### Grav Box

[App page](https://appshunter.io/ios/app/grav-box/id1050320618)

Control gravity with a tap and hold to manipulate objects. Customize their appearance, explore dynamic physics, and engage in arcade challenges with leaderboards and achievements.

**Highlights:** Tap and hold to control gravity, Customize grav colors and emojis, Dynamic backgrounds and physics effects, Arcade mode with achievements, Global leaderboards, In-game events like black holes

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Blocks (100) Pack | $0.99 | one-time |
| Light Portal | $0.99 | one-time |
| Dark Portal | $0.99 | one-time |
| Grav Box | $0.99 | one-time |
| Midnight | $0.99 | one-time |
| Daybreak | $0.99 | one-time |
| Beach | $0.99 | one-time |
| Jungle | $0.99 | one-time |
| Mist | $0.99 | one-time |
| Gold Blocks (1000) Pack | $4.99 | one-time |


### My Rhythm Memory

[App page](https://appshunter.io/ios/app/my-rhythm-memory/id1130563677)

Train your brain with this challenging game that improves memory and concentration. Players repeat increasingly complex tile patterns, developing short-term memory and self-challenge. Record your progress and continue anytime.

**Highlights:** Memory improvement, Concentration training, Short-term memory development, Self-challenge, Pattern repetition, Progress recording

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

**In-app purchases:** none


## Frequently asked questions

### Is Grav Box free?

Grav Box is free to download, with in-app purchases available.

### Is My Rhythm Memory free?

My Rhythm Memory is free to download, with no in-app purchases.

### Do Grav Box or My Rhythm Memory have ads?

Grav Box shows ads; My Rhythm Memory does not.

### Which is updated more often, Grav Box or My Rhythm Memory?

Grav Box ships an update every 5 months, and My Rhythm Memory every 43 months. Most recently, Grav Box was updated on October 24, 2026 and My Rhythm Memory on October 19, 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.*