# Diabolical vs Project Mayhem

The clearest difference is rating: Project Mayhem at 4.7 against Diabolical's 4.1. Project Mayhem also leads on ads (none vs shown) and update cadence (every 2 days vs every 13 months). Diabolical's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Diabolical sells 1 one-off in-app purchase and Project Mayhem sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Project Mayhem holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 45 and 28 respectively. Written reviews point the same way: 77% of Diabolical's written reviews are positive against 88% of Project Mayhem's.

Diabolical ships an update every 13 months, Project Mayhem every 2 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Diabolical | Project Mayhem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (45 ratings)](https://appshunter.io/ios/app/diabolical/id1046913408/reviews) | **[4.7 (28 ratings)](https://appshunter.io/ios/app/project-mayhem/id1551711683/reviews)** |
| Number of ratings | **45** | 28 |
| Positive reviews | 77.0% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Choice of Games LLC](https://appshunter.io/developer/348940935) | [Yush Raj Kapoor](https://appshunter.io/developer/1730789147) |

## What reviewers say

### Diabolical

[App page](https://appshunter.io/ios/app/diabolical/id1046913408)

Become the ultimate criminal mastermind in this text-based interactive novel. Make choices to build an evil empire, hire minions, and achieve world domination, or destruction. Explore different villain archetypes and romance options.

**Highlights:** Choose your villainous path, Hire and manage minions, Make impactful story choices, Develop your evil empire, Explore romance options, Achieve world domination or destruction

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chapters 3 through 12 | $4.99 | one-time |

**What reviewers like**

- 😂 Hilarious humor and funny choices
- ✍️ Brilliant and well-written story
- 😈 Great concept of playing as a villain
- 💡 Interesting premise and unique gameplay
- 💯 Highly enjoyable and engaging experience

**What reviewers complain about**

- 💰 Expensive for content
- 🤏 Limited choices affecting story
- ⏳ Story feels short
- 🤔 Choices feel pointless
- 💸 Overpriced

**Reported bugs**

- Bug fix???

**Requested features**

- Sequel needed
- More like this game
- Werewolf story
- More choices that affect story
- Choice of alien game


### Project Mayhem

[App page](https://appshunter.io/ios/app/project-mayhem/id1551711683)

An alternate reality puzzle game where you uncover the secrets of a revolutionary brain-computer interface. Explore 15 chapters of creative puzzles, utilizing your device's full capabilities, including audio and augmented reality, to reveal the truth.

**Highlights:** Alternate Reality Puzzle Gameplay, Brain-Computer Interface Narrative, 15 Chapters of Story, Creative Puzzles, Audio Detection Integration, Augmented Reality Features

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock 5 Better Hints | $0.99 | one-time |
| All Bonus Hints | $1.99 | one-time |


## Frequently asked questions

### Is Diabolical free?

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

### Is Project Mayhem free?

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

### Which has better reviews, Diabolical or Project Mayhem?

Project Mayhem is rated higher. Diabolical averages 4.1 out of 5 from 45 ratings, while Project Mayhem averages 4.7 from 28 ratings.

### Do Diabolical or Project Mayhem have ads?

Diabolical shows ads; Project Mayhem does not.

### Which is updated more often, Diabolical or Project Mayhem?

Diabolical ships an update every 13 months, and Project Mayhem every 2 days. Most recently, Diabolical was updated on October 22, 2026 and Project Mayhem 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.*