# Light Ignite vs Water Physics Simulation

The clearest difference is update cadence: Light Ignite at every 10 days against Water Physics Simulation's every 2 months. Light Ignite also leads on rating (4.5 vs 4.2) and iOS requirement (10.0 vs 13.0). Water Physics Simulation's advantage is review sentiment (76% vs 54%) and ratings volume (4.6K vs 1.1K). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Light Ignite sells 9 one-off in-app purchases and Water Physics Simulation sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Light Ignite holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 1.1K and 4.6K respectively. Written reviews complicate that: 54% of Light Ignite's written reviews are positive against 76% of Water Physics Simulation's, so the app with the better star average is not the one people write more warmly about.

Light Ignite ships an update every 10 days, Water Physics Simulation every 2 months. The most recent releases landed on September 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Light Ignite | Water Physics Simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/light-ignite/id1487518293/reviews)** | [4.2 (4.6K ratings)](https://appshunter.io/ios/app/water-physics-simulation/id1562726050/reviews) |
| Number of ratings | 1.1K | **4.6K** |
| Positive reviews | 54.1% of reviews | **75.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 277 MB | 60 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Branching Factor LTD](https://appshunter.io/developer/1482103510) | [Lukas Oertel](https://appshunter.io/developer/1562391231) |

## What reviewers say

### Light Ignite

[App page](https://appshunter.io/ios/app/light-ignite/id1487518293)

Explore the mesmerizing physics of light in this captivating puzzle game. Manipulate lasers, mirrors, and prisms to solve intricate optical challenges. Unleash your creativity by building and sharing your own levels.

**Highlights:** Optical puzzle challenges, Laser manipulation, Level editor, Community level sharing, Real-time physics engine, Offline play

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| VIP Pass | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Sandbox | $1.99 | one-time |
| VIP Pass | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Unlock + Remove Ads | $2.99 | one-time |
| VIP Pass | $2.99 | one-time |
| Sandbox, Level Packs, No Ads | $3.99 | one-time |

**What reviewers like**

- 🚀 Great game mechanics
- 👍 Fun and challenging puzzles
- 💡 Unique light/optics concept
- 🚀 Smooth gameplay
- 👍 Relaxing and enjoyable experience

**What reviewers complain about**

- 🔥 Excessive ads interrupting gameplay
- 🐛 Crashes and bugs on some devices
- 🔥 Ads longer than levels
- 🔥 Ads even after purchasing ad-free version

**Reported bugs**

- Game crashes on launch for some users
- Levels freezing or not loading properly

**Requested features**

- More levels and increased difficulty
- Sandbox mode with more customization options
- Ability to create and share custom levels


### Water Physics Simulation

[App page](https://appshunter.io/ios/app/water-physics-simulation/id1562726050)

Explore three distinct physics simulations: build and navigate ships, experiment with bomb explosions and water behavior in a sandbox, or observe the interactions of various elements. This free app offers creative building and destructive fun.

**Highlights:** Water and liquid simulations, Ship building and raft survival, Bomb explosions and destruction sandbox, Real-time sandbox with powder/dust particles, Build and control custom boats, Create and destroy structures

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |
| Increase waterlimit by 10000 | $3.99 | one-time |
| Increase waterlimit by 20000 | $5.99 | one-time |
| Pro Package | $8.99 | one-time |
| Increase water by 50000 | $12.99 | one-time |

**What reviewers like**

- 👍 Amazing game
- 🚀 Great water physics
- 🚀 Realistic destruction
- 👍 Satisfying gameplay
- 👍 Relaxing experience

**What reviewers complain about**

- 🐛 Glitchy at times
- 💰 Paywall for premium features
- 🔍 Confusing UI/controls
- 📺 Too many ads

**Reported bugs**

- Ships not sinking properly
- Spawned objects floating upwards
- Connectivity issues causing crashes

**Requested features**

- Add more disaster tools (e.g., lava, fire, earthquakes)
- Increase water capacity for free users
- Implement realistic ship sinking mechanics
- Add more customization options (e.g., background, color schemes)
- Improve camera controls and zooming


## Frequently asked questions

### Is Light Ignite free?

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

### Is Water Physics Simulation free?

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

### Which has better reviews, Light Ignite or Water Physics Simulation?

Light Ignite is rated higher. Light Ignite averages 4.5 out of 5 from 1.1K ratings, while Water Physics Simulation averages 4.2 from 4.6K ratings.

### Do Light Ignite or Water Physics Simulation have ads?

Both Light Ignite and Water Physics Simulation show ads.

### Which is updated more often, Light Ignite or Water Physics Simulation?

Light Ignite ships an update every 10 days, and Water Physics Simulation every 2 months. Most recently, Light Ignite was updated on September 21, 2026 and Water Physics Simulation on September 30, 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.*