# Algodoo vs Space Chunks

The clearest difference is rating: Space Chunks at 5.0 against Algodoo's 3.8. Space Chunks also leads on price ($1.99 vs $7.99) and device support (4 vs 1). Algodoo's advantage is ratings volume (878 vs 2) and update cadence (monthly vs every 3 months). On ads and in-app purchases there is nothing between them.

Algodoo costs $7.99 and Space Chunks $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Space Chunks holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Algodoo has 878 ratings behind it against 2, so its average is the more settled of the two.

Algodoo ships an update monthly, Space Chunks every 3 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Algodoo | Space Chunks |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Rating | [3.8 (878 ratings)](https://appshunter.io/ios/app/algodoo/id616064935/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/space-chunks/id1120814624/reviews)** |
| Number of ratings | **878** | 2 |
| Positive reviews | 58.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 29 MB | 12 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 9+ | 17+ |
| Developer | [Algoryx Simulation AB](https://appshunter.io/developer/464050548) | [Gomathy Shankaran](https://appshunter.io/developer/503956143) |

## What reviewers say

### Algodoo

[App page](https://appshunter.io/ios/app/algodoo/id616064935)

Design and experiment with realistic 2D physics simulations. Build intricate machines, create virtual science experiments, and explore cause and effect. Share your creations and discover those of others in a vibrant community.

**Highlights:** Create objects with shapes or free-hand drawing, Combine components for intricate machines, Choose and customize materials, Simulate physics with gravity and aerodynamics, Explore ideas through trial and error, Build animations, contraptions, and experiments, Access community-created scenes

**In-app purchases:** none

**What reviewers like**

- 🚀 Great physics simulation
- 👍 Interesting and fun to use
- 💡 Ability to create and share creations
- 🚀 No ads

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🐛 Issues with loading and saving scenes
- 🐛 Textures and images not working properly
- 🐛 Laggy performance with complex scenes

**Reported bugs**

- Scenes resetting to tutorial
- Textures and images not loading properly
- Crashes when trying to import images
- Buttons and controls not working as expected

**Requested features**

- Add text and scripting options on mobile
- Improve mobile UI and controls
- Implement more features from PC version
- Fix issues with account bans and deletions


### Space Chunks

[App page](https://appshunter.io/ios/app/space-chunks/id1120814624)

Explore stunning images and videos from NASA's Astronomy Picture of the Day (APOD). Discover daily celestial wonders and access a curated monthly collection with concise explanations.

**Highlights:** Daily NASA APOD image/video, Monthly curated image/video set, Short explanations from NASA, Refreshable content, Notifications for new content

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Algodoo free?

Algodoo costs $7.99, with no in-app purchases.

### Is Space Chunks free?

Space Chunks costs $1.99, with no in-app purchases.

### Which has better reviews, Algodoo or Space Chunks?

Space Chunks is rated higher. Algodoo averages 3.8 out of 5 from 878 ratings, while Space Chunks averages 5.0 from 2 ratings.

### Do Algodoo or Space Chunks have ads?

Neither Algodoo nor Space Chunks shows ads.

### Which is updated more often, Algodoo or Space Chunks?

Algodoo ships an update monthly, and Space Chunks every 3 months. Most recently, Algodoo was updated on October 14, 2026 and Space Chunks on October 8, 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.*