# Popur S7 vs Crash Engine

The clearest difference is price: Popur S7 at Free against Crash Engine's $6.99. Popur S7 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.4). On ads and in-app purchases there is nothing between them.

Popur S7 is free to download; Crash Engine costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Popur S7 | Crash Engine |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[2.2 (34 ratings)](https://appshunter.io/ios/app/popur-s7/id6756484154/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 16.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Free | — |
| Size | 48 MB | 4 MB |
| Requires iOS | **13.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Popur International Limited](https://appshunter.io/developer/1648626825) | [Code 3 Coders LLC](https://appshunter.io/developer/1479809457) |

## What reviewers say

### Popur S7

[App page](https://appshunter.io/ios/app/popur-s7/id6756484154)

Manage your smart cat litter box with this app. View device status, control cleaning cycles remotely, and customize settings for your pet's habits. Stay connected via Wi-Fi or Bluetooth for seamless operation and updates.

**Highlights:** Device dashboard with real-time status, Remote control of cleaning cycles, Customizable cleaning modes, Schedule cleaning and manage power, Wi-Fi and Bluetooth connectivity, Firmware updates

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

**In-app purchases:** none


### Crash Engine

[App page](https://appshunter.io/ios/app/crash-engine/id6769257744)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Popur S7 free?

Popur S7 is free to download, with no in-app purchases.

### Is Crash Engine free?

Crash Engine costs $6.99, with no in-app purchases.

### Do Popur S7 or Crash Engine have ads?

Neither Popur S7 nor Crash Engine 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.*