# Grav Box vs Zombie Rhythm

The clearest difference is in-app purchases: Zombie Rhythm at none against Grav Box's 10. Zombie Rhythm also leads on update cadence (every 2 days vs every 5 months) and iOS requirement (11.0 vs 14.0). On price, review sentiment, ads and device support there is nothing between them.

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

Grav Box ships an update every 5 months, Zombie Rhythm every 2 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Grav Box | Zombie Rhythm |
| --- | --- | --- |
| 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 | Yes |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 10 MB | 173 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Capraro](https://appshunter.io/developer/1691787728) | [Shanghai Meowsay Technology Co., Ltd.](https://appshunter.io/developer/1583208341) |

## 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 |


### Zombie Rhythm

[App page](https://appshunter.io/ios/app/zombie-rhythm/id1589648920)

Battle hordes of zombies using the power of music. Tap to the beat of various melodies to repel the undead and protect the last city. Compete globally and prove your rhythmic prowess.

**Highlights:** Musical note combat, Simple click operation, Relaxing rhythm judgment, 11 cities with different music, Global player rankings, Worship function

**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 Zombie Rhythm free?

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

### Do Grav Box or Zombie Rhythm have ads?

Both Grav Box and Zombie Rhythm show ads.

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

Grav Box ships an update every 5 months, and Zombie Rhythm every 2 days. Most recently, Grav Box was updated on October 24, 2026 and Zombie Rhythm on October 10, 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.*