# Rock Zapper vs Vesper Pop

The clearest difference is iOS requirement: Rock Zapper at 15.0 against Vesper Pop's 18.5. 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.

## The numbers

| Metric | Rock Zapper | Vesper Pop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Size | 36 MB | 2 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kang Engineering Systems LLC](https://appshunter.io/developer/1506663175) | [Gregory Savage](https://appshunter.io/developer/1896708614) |

## What reviewers say

### Rock Zapper

[App page](https://appshunter.io/ios/app/rock-zapper/id6772417015)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vesper Pop

[App page](https://appshunter.io/ios/app/vesper-pop/id6790333021)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rock Zapper free?

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

### Is Vesper Pop free?

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

### Do Rock Zapper or Vesper Pop have ads?

Neither Rock Zapper nor Vesper Pop 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.*