# Quantum ai pro vs Stop 78

The clearest difference is in-app purchases: Quantum ai pro at none against Stop 78's 9. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stop 78 sells 9 one-off in-app purchases. Quantum ai pro asks for nothing beyond the download.

## The numbers

| Metric | Quantum ai pro | Stop 78 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 29 MB | 52 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KHADSONSERVIS, TOV](https://appshunter.io/developer/1886138028) | [Hakki Gurkan Tucel](https://appshunter.io/developer/1533693323) |

## What reviewers say

### Quantum ai pro

[App page](https://appshunter.io/ios/app/quantum-ai-pro/id6760766545)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stop 78

[App page](https://appshunter.io/ios/app/stop-78-highway-sim-tycoon/id6804589126)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10K In-Game Currency | $1.99 | one-time |
| 50% XP Gain — 10 Days | $2.99 | one-time |
| Ad-Free Game — 30 Days | $3.99 | one-time |
| 50% XP Gain — 30 Days | $7.99 | one-time |
| 50K In-Game Currency | $8.99 | one-time |
| Ad-Free Game — 90 Days | $9.99 | one-time |
| 100K In-Game Currency | $14.99 | one-time |
| 200K In-Game Currency | $24.99 | one-time |
| 500K In-Game Currency | $59.99 | one-time |


## Frequently asked questions

### Is Quantum ai pro free?

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

### Is Stop 78 free?

Stop 78 is free to download, with in-app purchases available.

### Do Quantum ai pro or Stop 78 have ads?

Neither Quantum ai pro nor Stop 78 shows ads.

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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.*