# Prison Mischief Master vs HeroLingo

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

Both are free to download. HeroLingo 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, HeroLingo every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Prison Mischief Master | HeroLingo |
| --- | --- | --- |
| 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 5 days** |
| Monetization | Ad-supported | — |
| Size | 300 MB | 120 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Saltworks Studio](https://appshunter.io/developer/1805145866) | [Mesut iNAM](https://appshunter.io/developer/1361998111) |

## 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


### HeroLingo

[App page](https://appshunter.io/ios/app/herolingo/id6817346248)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Coins | $0.99 | one-time |
| Tools & Equipment | $1.99 | one-time |
| 1500 Coins | $2.99 | one-time |
| HeroLingo Premium | $3.99 | one-time |
| Daily Life Bundle | $4.99 | one-time |
| Animals & Nature Bundle | $4.99 | one-time |
| Technology & Science Bundle | $4.99 | one-time |
| Jobs & Work Bundle | $4.99 | one-time |
| 4000 Coins | $4.99 | one-time |
| Mega Pack | $9.99 | one-time |


## Frequently asked questions

### Is Prison Mischief Master free?

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

### Is HeroLingo free?

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

### Do Prison Mischief Master or HeroLingo have ads?

Both Prison Mischief Master and HeroLingo show ads.

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

Prison Mischief Master ships an update every 9 days, and HeroLingo every 5 days. Most recently, Prison Mischief Master was updated on October 24, 2026 and HeroLingo on October 24, 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.*