# Prison Mischief Master vs Project Skyforge

The clearest difference is in-app purchases: Prison Mischief Master at none against Project Skyforge's 10. Prison Mischief Master also leads on iOS requirement (15.6 vs 17.0). Project Skyforge's advantage is update cadence (every 4 days vs every 9 days). On price, ads and device support there is nothing between them.

Both are free to download. Project Skyforge sells 10 one-off in-app purchases. Prison Mischief Master asks for nothing beyond the download.

Prison Mischief Master ships an update every 9 days, Project Skyforge every 4 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Prison Mischief Master | Project Skyforge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/prison-mischief-master/id6779470385/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 300 MB | 268 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 12+ |
| Developer | [Saltworks Studio](https://appshunter.io/developer/1805145866) | [Farrukh Niaz](https://appshunter.io/developer/6798407504) |

## What reviewers say

### Prison Mischief Master

[App page](https://appshunter.io/ios/app/prison-mischief-master/id6779470385)

Experience life as an inmate in a dynamic 3D prison. Engage in fitness, pull pranks, explore restricted areas, and play sports. Your choices determine if you become a model inmate or a notorious prankster.

**Highlights:** Fitness and body transformation, Hilarious pranks and mischief, Exploration of prison areas, Sports and mini-games, First-person immersive gameplay, Joystick controls

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

**In-app purchases:** none


### Project Skyforge

[App page](https://appshunter.io/ios/app/project-skyforge/id6798407502)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A stack of coins | $0.99 | one-time |
| A pile of coins | $1.99 | one-time |
| A crate full of coins | $3.99 | one-time |
| A chest full of coins | $6.99 | one-time |
| Get all jets | $7.99 | one-time |
| A vault full of cash | $9.99 | one-time |
| A vault full of coins | $9.99 | one-time |
| Unlock all missions | $9.99 | one-time |
| Remove all ads from the game | $14.99 | one-time |
| Get full game unlocked | $24.99 | one-time |


## Frequently asked questions

### Is Prison Mischief Master free?

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

### Is Project Skyforge free?

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

### Do Prison Mischief Master or Project Skyforge have ads?

Both Prison Mischief Master and Project Skyforge show ads.

### Which is updated more often, Prison Mischief Master or Project Skyforge?

Prison Mischief Master ships an update every 9 days, and Project Skyforge every 4 days. Most recently, Prison Mischief Master was updated on October 24, 2026 and Project Skyforge on October 29, 2026.

---

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