# Quantum vs Crowd Surf

The clearest difference is in-app purchases: Quantum at none against Crowd Surf's 1. Crowd Surf's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Crowd Surf sells 1 one-off in-app purchase. Quantum asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Quantum | Crowd Surf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Size | 1 MB | 30 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Celal Can Sagnak](https://appshunter.io/developer/1865753496) | [Fellipe Guimaraes](https://appshunter.io/developer/1318798504) |

## What reviewers say

### Quantum

[App page](https://appshunter.io/ios/app/quantum-cat/id6759192936)

**Features:** macOS Compatibility

**In-app purchases:** none


### Crowd Surf

[App page](https://appshunter.io/ios/app/crowd-surf-surf-game/id6780547541)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Quantum free?

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

### Is Crowd Surf free?

Crowd Surf is free to download, with in-app purchases available.

### Do Quantum or Crowd Surf have ads?

Neither Quantum nor Crowd Surf shows ads.

### Which is updated more often, Quantum or Crowd Surf?

Quantum ships an update every 4 days, and Crowd Surf every 4 days. Most recently, Quantum was updated on October 4, 2026 and Crowd Surf on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*