# Chaos Theory Exploding Pro vs Water Box

The clearest difference is price: Water Box at Free against Chaos Theory Exploding Pro's $0.29. Water Box also leads on update cadence (every 11 days vs every 38 months). Chaos Theory Exploding Pro's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

Water Box is free to download; Chaos Theory Exploding Pro costs $0.29 up front. Water Box sells 10 one-off in-app purchases. Chaos Theory Exploding Pro asks for nothing beyond the download.

Chaos Theory Exploding Pro ships an update every 38 months, Water Box every 11 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Chaos Theory Exploding Pro | Water Box |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | — | **[4.8 (1.7K ratings)](https://appshunter.io/ios/app/water-box-physics-sandbox/id6741103044/reviews)** |
| Number of ratings | — | **1.7K** |
| Positive reviews | — | 92.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 88 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Ranz Ursal](https://appshunter.io/developer/1116871834) | [Lukas Oertel](https://appshunter.io/developer/1562391231) |

## What reviewers say

### Chaos Theory Exploding Pro

[App page](https://appshunter.io/ios/app/chaos-theory-exploding-pro/id1176267353)

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

**In-app purchases:** none


### Water Box

[App page](https://appshunter.io/ios/app/water-box-physics-sandbox/id6741103044)

Explore realistic fluid dynamics and ragdoll physics in this sandbox playground. Sink ships, experiment with various liquids, and unleash destruction with a wide array of tools and elements. Build and test your creations in a detailed simulation environment.

**Highlights:** Realistic water and powder simulation, Ragdoll people playground experiments, Ship sinking and floating simulator, Gore and destruction simulator, Alchemy, fire, and chemical reactions, Build and share creations

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Increase max water by 10000 | $2.99 | one-time |
| 250 Coins | $4.99 | one-time |
| Creative Package 50% Discount | $4.99 | one-time |
| Increase max water by 20000 | $4.99 | one-time |
| 550 Coins | $7.99 | one-time |
| Creative Package | $9.99 | one-time |
| Increase max water by 50000 | $9.99 | one-time |
| 1200 Coins | $14.99 | one-time |
| Increase max water by 100000 | $17.99 | one-time |
| 2300 Coins | $24.99 | one-time |

**What reviewers like**

- 👍 Good game
- 👍 Awesome game
- 👍 Fun and good game
- 👍 Great game
- 👍 Satisfying and fun

**What reviewers complain about**

- 🐛 Crashes frequently
- 💡 Increase water capacity

**Reported bugs**

- Crashes frequently

**Requested features**

- Make ships sink like in Floating Sandbox


## Frequently asked questions

### Is Chaos Theory Exploding Pro free?

Chaos Theory Exploding Pro costs $0.29, with no in-app purchases.

### Is Water Box free?

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

### Do Chaos Theory Exploding Pro or Water Box have ads?

Water Box shows ads; Chaos Theory Exploding Pro does not.

### Which is updated more often, Chaos Theory Exploding Pro or Water Box?

Chaos Theory Exploding Pro ships an update every 38 months, and Water Box every 11 days. Most recently, Chaos Theory Exploding Pro was updated on October 8, 2026 and Water Box on October 17, 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.*