# Prison Engine vs AntiSpy

The clearest difference is in-app purchases: Prison Engine at none against AntiSpy's 4. Prison Engine also leads on ads (none vs shown) and iOS requirement (12.4 vs 16.0). On price and device support there is nothing between them.

Both are free to download. AntiSpy sells 4 in-app purchases, starting at $8.99 per 7 days. Prison Engine asks for nothing beyond the download.

## The numbers

| Metric | Prison Engine | AntiSpy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/antispy-device-and-bug-detector/id6747982228/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 152 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Prison Engine](https://appshunter.io/developer/1788775525) | [Brooks Burton](https://appshunter.io/developer/1818366362) |

## What reviewers say

### Prison Engine

[App page](https://appshunter.io/ios/app/prison-engine/id6740180457)

**In-app purchases:** none


### AntiSpy

[App page](https://appshunter.io/ios/app/antispy-device-and-bug-detector/id6747982228)

Scan your surroundings for hidden devices and potential threats. Detect Wi-Fi, Bluetooth, and infrared signals to ensure your digital security in public spaces. Review scan history to track changes over time and maintain awareness.

**Highlights:** Wi-Fi and Bluetooth scanning, Infrared scanning, Scan logs and history, Intuitive navigation, Background IP tracking, Real-time alerts

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AntiSpy: Device & Bug Detector | $8.99 | per 7 days |
| AntiSpy: Device & Bug Detector | $8.99 | per 7 days |
| AntiSpy: Device & Bug Detector | $14.99 | per month |
| AntiSpy: Device & Bug Detector | $15.99 | per month |


## Frequently asked questions

### Is Prison Engine free?

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

### Is AntiSpy free?

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

### Do Prison Engine or AntiSpy have ads?

AntiSpy shows ads; Prison Engine does not.

---

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