# Algodoo vs PIXIO®

The clearest difference is price: PIXIO® at Free against Algodoo's $7.99. PIXIO® also leads on rating (4.7 vs 3.8) and review sentiment (83% vs 59%). Algodoo's advantage is ratings volume (878 vs 267) and iOS requirement (12.0 vs 14.0). On update cadence, ads and in-app purchases there is nothing between them.

PIXIO® is free to download; Algodoo costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PIXIO® holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 878 and 267 respectively. Written reviews point the same way: 59% of Algodoo's written reviews are positive against 83% of PIXIO®'s.

Both ship on a similar rhythm, roughly monthly. Both last shipped on September 24, 2026.

## The numbers

| Metric | Algodoo | PIXIO® |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [3.8 (878 ratings)](https://appshunter.io/ios/app/algodoo/id616064935/reviews) | **[4.7 (267 ratings)](https://appshunter.io/ios/app/pixio/id1251460891/reviews)** |
| Number of ratings | **878** | 267 |
| Positive reviews | 59.1% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 29 MB | 185 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Algoryx Simulation AB](https://appshunter.io/developer/464050548) | [Jutiful](https://appshunter.io/developer/582966637) |

## 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


### PIXIO®

[App page](https://appshunter.io/ios/app/pixio/id1251460891)

Design and build 3D pixel art digitally or with magnetic blocks. Explore a community of artists, share your creations, and get inspired by thousands of designs. Bring your digital art to life in the real world.

**Highlights:** Create 3D pixel art digitally, Build physical art with magnetic blocks, Interactive 3D building guides, Share creations and get community feedback, Augmented reality (AR) features, Explore and remix art from other users, Color palette inspiration

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🤩 Fun and engaging gameplay
- 🎨 Creative freedom and imagination
- 👍 Easy to use interface
- 💡 Layer-by-layer instructions
- 🚀 Efficient and intuitive app

**What reviewers complain about**

- 🐛 Frequent errors and pop-ups
- 🐛 Cannot build or log back in
- 🐛 Sign-in issues
- 🐛 "Select favorite category" doesn't let user pass
- 🐛 Cannot see comments

**Reported bugs**

- Frequent errors and pop-ups
- Cannot build or log back in
- Sign-in issues
- "Select favorite category" doesn't let user pass
- Cannot see comments

**Requested features**

- More color options
- Add REBUS game updates
- Improve profile picture moderation
- Add different environment settings for builds (under the sea, ancient monsters, town, forest)
- Remove app blocks


## Frequently asked questions

### Is Algodoo free?

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

### Is PIXIO® free?

PIXIO® is free to download, with no in-app purchases.

### Which has better reviews, Algodoo or PIXIO®?

PIXIO® is rated higher. Algodoo averages 3.8 out of 5 from 878 ratings, while PIXIO® averages 4.7 from 267 ratings.

### Do Algodoo or PIXIO® have ads?

Neither Algodoo nor PIXIO® shows ads.

### Which is updated more often, Algodoo or PIXIO®?

Algodoo ships an update monthly, and PIXIO® monthly. Most recently, Algodoo was updated on September 24, 2026 and PIXIO® on September 24, 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.*