# Ultimate Moto RR 4 vs Zero Gravity 3D

The clearest difference is update cadence: Ultimate Moto RR 4 at every 2 months against Zero Gravity 3D's every 20 months. Zero Gravity 3D's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ultimate Moto RR 4 ships an update every 2 months, Zero Gravity 3D every 20 months. The most recent releases landed on October 13, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Ultimate Moto RR 4 | Zero Gravity 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ultimate-moto-rr-4/id1180342073/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 20 months |
| Monetization | Ad-supported | — |
| Size | 87 MB | 83 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Dream-Up](https://appshunter.io/developer/445196122) | [喜拉 任](https://appshunter.io/developer/1447216936) |

## What reviewers say

### Ultimate Moto RR 4

[App page](https://appshunter.io/ios/app/ultimate-moto-rr-4/id1180342073)

Experience an authentic MotoGP racing simulation with multiple game modes, challenges, and customizable motorbikes. Compete in championships, hone your skills, and outrace opponents. Master your bike on diverse tracks and unlock powerful upgrades.

**Highlights:** Authentic racing experience, 7 diverse game modes, Over 60 challenges, Unlockable powerful motorbikes, Customizable controls and graphics, Real-time 3D rendering

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

**In-app purchases:** none


### Zero Gravity 3D

[App page](https://appshunter.io/ios/app/zero-gravity-3d/id1476355895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ultimate Moto RR 4 free?

Ultimate Moto RR 4 is free to download, with no in-app purchases.

### Is Zero Gravity 3D free?

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

### Do Ultimate Moto RR 4 or Zero Gravity 3D have ads?

Both Ultimate Moto RR 4 and Zero Gravity 3D show ads.

### Which is updated more often, Ultimate Moto RR 4 or Zero Gravity 3D?

Ultimate Moto RR 4 ships an update every 2 months, and Zero Gravity 3D every 20 months. Most recently, Ultimate Moto RR 4 was updated on October 13, 2026 and Zero Gravity 3D on September 28, 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.*