# Substrate Entity vs Rev Rush

The clearest difference is in-app purchases: Substrate Entity at none against Rev Rush's 1. Rev Rush's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Rev Rush sells 1 one-off in-app purchase. Substrate Entity asks for nothing beyond the download.

Substrate Entity ships an update weekly, Rev Rush every 4 days. The most recent releases landed on September 21, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Substrate Entity | Rev Rush |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 1 MB | 35 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [DRO1D LABS LIMITED](https://appshunter.io/developer/1803083780) | [MARKO KRULC](https://appshunter.io/developer/1896060809) |

## What reviewers say

### Substrate Entity

[App page](https://appshunter.io/ios/app/substrate-entity/id6757655237)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rev Rush

[App page](https://appshunter.io/ios/app/rev-rush-pixel-moto-runner/id6789608154)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rev Rush Premium | $4.99 | one-time |


## Frequently asked questions

### Is Substrate Entity free?

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

### Is Rev Rush free?

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

### Do Substrate Entity or Rev Rush have ads?

Neither Substrate Entity nor Rev Rush shows ads.

### Which is updated more often, Substrate Entity or Rev Rush?

Substrate Entity ships an update weekly, and Rev Rush every 4 days. Most recently, Substrate Entity was updated on September 21, 2026 and Rev Rush on September 26, 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.*