# Algodoo vs Hey Duggee Colouring

The clearest difference is rating: Algodoo at 3.8 against Hey Duggee Colouring's 3.3. Algodoo also leads on review sentiment (59% vs 25%) and ratings volume (878 vs 8). Hey Duggee Colouring's advantage is price ($1.99 vs $7.99) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

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

Algodoo holds the better App Store score, 3.8 against 3.3. That said, the two scores are not equally well evidenced: Algodoo has 878 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 59% of Algodoo's written reviews are positive against 25% of Hey Duggee Colouring's.

Algodoo ships an update monthly, Hey Duggee Colouring every 4 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Algodoo | Hey Duggee Colouring |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Rating | **[3.8 (878 ratings)](https://appshunter.io/ios/app/algodoo/id616064935/reviews)** | [3.3 (8 ratings)](https://appshunter.io/ios/app/hey-duggee-colouring/id1140487708/reviews) |
| Number of ratings | **878** | 8 |
| Positive reviews | **59.1% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | **Free** | Paid |
| Size | 29 MB | 78 MB |
| Requires iOS | 12.0 | **7.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Algoryx Simulation AB](https://appshunter.io/developer/464050548) | [BBC Studios Distribution Ltd.](https://appshunter.io/developer/344138454) |

## 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


### Hey Duggee Colouring

[App page](https://appshunter.io/ios/app/hey-duggee-colouring/id1140487708)

This app offers a fun and creative coloring experience for young children. It features a variety of tools and 40 designs, allowing kids to express their artistic side in a safe, ad-free environment. Creations can be saved to cherish.

**Highlights:** 40 coloring images, Paint, pencils, spray-cans, glitter tools, Free-form and block-fill coloring, Save creations to camera roll, Simple interface for preschoolers, Ad-free fun

**In-app purchases:** none


## Frequently asked questions

### Is Algodoo free?

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

### Is Hey Duggee Colouring free?

Hey Duggee Colouring costs $1.99, with no in-app purchases.

### Which has better reviews, Algodoo or Hey Duggee Colouring?

Algodoo is rated higher. Algodoo averages 3.8 out of 5 from 878 ratings, while Hey Duggee Colouring averages 3.3 from 8 ratings.

### Do Algodoo or Hey Duggee Colouring have ads?

Neither Algodoo nor Hey Duggee Colouring shows ads.

### Which is updated more often, Algodoo or Hey Duggee Colouring?

Algodoo ships an update monthly, and Hey Duggee Colouring every 4 months. Most recently, Algodoo was updated on October 2, 2026 and Hey Duggee Colouring on October 1, 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.*