# OCO vs Maxwell's Demon

The clearest difference is in-app purchases: Maxwell's Demon at none against OCO's 8. Maxwell's Demon also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OCO sells 8 one-off in-app purchases. Maxwell's Demon asks for nothing beyond the download.

## The numbers

| Metric | OCO | Maxwell's Demon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.4K ratings)](https://appshunter.io/ios/app/oco/id1030437345/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 73.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 57 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPECTRUM48 LIMITED](https://appshunter.io/developer/896496053) | [Stephen Moreton-Howell](https://appshunter.io/developer/1836224122) |

## What reviewers say

### OCO

[App page](https://appshunter.io/ios/app/oco/id1030437345)

Engage in a captivating one-touch puzzle-platformer with over 7000 levels. Master simple controls to navigate challenging environments, create your own levels, and enjoy a unique audio-visual experience. Compete in daily challenges and strive for perfect solutions.

**Highlights:** Simple one-touch controls, Over 7000 challenging puzzles, Level editor and sharing system, Daily challenges, Minimalist design, Procedurally-generated soundtrack

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NO ADS | Free | one-time |
| x 2000 bits | $0.99 | one-time |
| x 5000 bits | $0.99 | one-time |
| Remove ads | $1.99 | one-time |
| x 8000 bits | $2.99 | one-time |
| OCO pro | $2.99 | one-time |
| x 30000 bits | $4.99 | one-time |
| x 100000 bits | $9.99 | one-time |

**What reviewers like**

- 👍 Smooth gameplay
- 🎨 Visually appealing
- 🎵 Great music/sound design
- 🧠 Challenging puzzles
- 🔓 Minimal ads

**What reviewers complain about**

- 🐛 Frequent crashes/bugs
- 💰 Paywalls/in-app purchases
- 🤢 Can cause motion sickness
- 🔍 Restart level button hard to access
- 🕰️ Perfect time scores don't make sense

**Reported bugs**

- Game crashes on startup after updates
- Slow mode issue prevents level uploads
- Levels sometimes can't be opened
- Losing progress/data after updates

**Requested features**

- Add different beat/music options
- Allow liking levels without completing them
- Improve level saving/loading
- Add more block types (traps, flippers, etc.)
- Bring back online features


### Maxwell's Demon

[App page](https://appshunter.io/ios/app/maxwells-demon/id6753080141)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OCO free?

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

### Is Maxwell's Demon free?

Maxwell's Demon is free to download, with no in-app purchases.

### Do OCO or Maxwell's Demon have ads?

OCO shows ads; Maxwell's Demon does not.

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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.*