# Heart Box vs Maxwell's Demon

The clearest difference is in-app purchases: Maxwell's Demon at none against Heart Box's 10. Maxwell's Demon also leads on ads (none vs shown). Heart Box's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Heart Box sells 10 one-off in-app purchases. Maxwell's Demon asks for nothing beyond the download.

## The numbers

| Metric | Heart Box | Maxwell's Demon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (216 ratings)](https://appshunter.io/ios/app/heart-box-logic-physics-game/id1090679236/reviews)** | — |
| Number of ratings | **216** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 108 MB | 57 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Radchenko](https://appshunter.io/developer/1090679235) | [Stephen Moreton-Howell](https://appshunter.io/developer/1836224122) |

## What reviewers say

### Heart Box

[App page](https://appshunter.io/ios/app/heart-box-logic-physics-game/id1090679236)

Guide a robot through challenging puzzle rooms by utilizing realistic physics and a variety of objects. Solve over 180 levels across four game modes, with the ability to create and share your own levels.

**Highlights:** Over 180 puzzle levels, Four distinct game modes, Level editor and QR code sharing, Online community levels database, Realistic physics engine, Robot customization with skins

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Coins | $0.49 | one-time |
| 5000 Coins | $0.99 | one-time |
| 10000 Coins | $1.49 | one-time |
| 10000 Coins | $2.99 | one-time |
| All Purple Skins | $3.99 | one-time |
| Remove ads | $4.99 | one-time |
| Open all levels & remove ads | $6.99 | one-time |
| VIP Gold Skin | $7.99 | one-time |
| VIP Brilliant Skin | $7.99 | one-time |
| 50000 Coins | $9.99 | one-time |


### Maxwell's Demon

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heart Box free?

Heart Box 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 Heart Box or Maxwell's Demon have ads?

Heart Box 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.*