# Security Frontier vs Prison Boss Empire

The clearest difference is in-app purchases: Security Frontier at none against Prison Boss Empire's 6. Security Frontier also leads on update cadence (every 4 days vs every 10 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Prison Boss Empire sells 6 one-off in-app purchases. Security Frontier asks for nothing beyond the download.

Security Frontier ships an update every 4 days, Prison Boss Empire every 10 months. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Security Frontier | Prison Boss Empire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/prison-boss-empire/id6743073690/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 months |
| Monetization | — | Free with in-app purchases |
| Size | 106 MB | 195 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Quynh Vu Huy](https://appshunter.io/developer/1727299267) | [Renegade Gaming Solutions LLC](https://appshunter.io/developer/1798533881) |

## What reviewers say

### Security Frontier

[App page](https://appshunter.io/ios/app/security-frontier/id6480581218)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prison Boss Empire

[App page](https://appshunter.io/ios/app/prison-boss-empire/id6743073690)

Engage in intense action to rescue captured teammates from enemies. Collect weapons, use tactical movement, and escape challenging environments. Prove your skills in this fast-paced combat adventure.

**Highlights:** Rescue Missions, Weapon Collection, Tactical Movement, Escape Sequences, Fast-paced Combat

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 500 Coins | $4.99 | one-time |
| Buy 1000 Coins | $9.99 | one-time |
| Buy 3000 Coins | $24.99 | one-time |
| Buy 12000 Coins | $74.99 | one-time |
| Buy 20000 Coins | $99.99 | one-time |
| Buy 35000 Coins | $149.99 | one-time |


## Frequently asked questions

### Is Security Frontier free?

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

### Is Prison Boss Empire free?

Prison Boss Empire is free to download, with in-app purchases available.

### Do Security Frontier or Prison Boss Empire have ads?

Neither Security Frontier nor Prison Boss Empire shows ads.

### Which is updated more often, Security Frontier or Prison Boss Empire?

Security Frontier ships an update every 4 days, and Prison Boss Empire every 10 months. Most recently, Security Frontier was updated on October 25, 2026 and Prison Boss Empire on November 4, 2026.

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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.*