# Subway Hoverboard vs Grav

The clearest difference is in-app purchases: Grav at none against Subway Hoverboard's 2. Grav also leads on ads (none vs shown). Subway Hoverboard's advantage is update cadence (every 4 months vs every 9 months) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Subway Hoverboard sells 2 one-off in-app purchases. Grav asks for nothing beyond the download.

Subway Hoverboard ships an update every 4 months, Grav every 9 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Subway Hoverboard | Grav |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 9 months |
| Size | 61 MB | 200 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [VISITACION GUAL TENA](https://appshunter.io/developer/1453282445) | [Alejandro Jimenez](https://appshunter.io/developer/1759471257) |

## What reviewers say

### Subway Hoverboard

[App page](https://appshunter.io/ios/app/subway-hoverboard/id1236668604)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Peter Character | Free | one-time |
| Unlock Player 2 + No ads | Free | one-time |


### Grav

[App page](https://appshunter.io/ios/app/grav-it/id6677006150)

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

**In-app purchases:** none


## Frequently asked questions

### Is Subway Hoverboard free?

Subway Hoverboard is free to download, with in-app purchases available.

### Is Grav free?

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

### Do Subway Hoverboard or Grav have ads?

Subway Hoverboard shows ads; Grav does not.

### Which is updated more often, Subway Hoverboard or Grav?

Subway Hoverboard ships an update every 4 months, and Grav every 9 months. Most recently, Subway Hoverboard was updated on October 1, 2026 and Grav on October 7, 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.*