Comparison

Algodoo vs Hey Duggee Colouring

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Algodoo

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
Read full description

Bring your ideas to life with realistic physics in Algodoo. This creative and educational app lets you design two-dimensional scenes where objects move according to the laws of physics. See cause and effect in action and refine your builds to perfection. Algodoo is a virtual 2D construction set to enjoy the creative thrill of building fun scenes and machines. You’ll never run out of parts. You can go deeper and analyse the motion and learn about mechanical devices. Once you master the tools and principles, you can build sandbox games or mesmerising, complex simulations. • Use basic 2D geometrical shapes or the free-hand drawing tool to create objects. • Combine components like axles, springs, motors, ropes, and lasers to create intricate machines. • Choose from various materials—steel, wood, rubber, water, and helium—and customise at will. • Press “Simulate” to bring your scene to life, moving under the forces of gravity, aerodynamics, buoyancy, and more. • Use trial and error to explore ideas and perfect your inventions. • Express your imagination with vibrant colors, shapes, and textures. Looking to build animations, contraptions, marble races, moving structures, chain reactions, or virtual science experiments? With Algodoo, the possibilities for invention, creativity, and exploration are endless. With the Quick Tour and tutorial videos, you can easily learn Algodoo’s basic tools and principles. It's not just for fun— the scientific foundation of Algodoo makes it a great teaching and learning aid for exploring physics concepts, operating principles of machines, and even construction. Discover the creativity of others and get inspired for your next build by visiting the Algobox library. Access thousands of scenes created by the Algodoo community and share your own creations by signing up for an Algobox account. Algodoo offers endless fun for users of all ages. Download the app now and start building, and search for #Algodoo on YouTube or social media to explore videos showcasing imaginative creations from our global community.

About

Hey Duggee Colouring

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
Read full description

**** As seen on Nick Jr. **** Duggee's back with his new colouring app! Pick a picture and use one of our awesome colouring tools to make the drawing your own - there are 40 designs to choose from! Safe, ad-free fun for your little ones! Key Features: • Clear and simple interface designed for pre-schoolers. • 40 different colouring images to play with. • Colour the pictures any way you like with any combination of tools, free-form and block-fill. • Fun colouring tools including paint, pencils, spray-cans, glitter and even pattern rollers. • Lots of colours and patterns to choose from. • Save your creations to your camera roll to keep them forever. So what are you waiting for? Get creative! Customer Care: If you experience any technical issues with this app please get in touch. Most issues can be easily fixed and we are happy to help. Contact us at support@scarybeasties.com Privacy: This app will ask for permission to access the camera on your device. The camera is used to take a photograph of the player for their user profile which is used to track and retain progress through the game. This app does not collect or store any personal data from your device. View our privacy policy here www.bbcworldwide.com/home/mobile-apps/ About Studio AKA: STUDIO AKA is a multi-BAFTA winning & Oscar-nominated independent animation studio & production company based in London. They are known internationally for their idiosyncratic & innovative work expressed across an eclectic range of projects. www.studioaka.co.uk About Scary Beasties: Scary Beasties is a BAFTA-winning mobile and online games designer and developer specialising in kids’ content, from pre-school through to the teen market. Be the first to hear about our other apps: on twitter @scarybeasties or www.facebook.com/scarybeasties A Scary Beasties production for BBC Worldwide

Screenshots

Hey Duggee Colouring4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 2 level
Algodoo versus Hey Duggee Colouring: the parameters behind the verdict, then further details
ParameterAlgodooHey Duggee Colouring
Price$7.99$1.99 — better
Rating3.8 (878 ratings) — better3.3 (8 ratings)
Positive reviews59.1% of reviews — better25.0% of reviews
Number of ratings878 — better8
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.07.0 — better
Further details — not scored
Size29 MB78 MB
Age rating9+4+
DeveloperAlgoryx Simulation ABBBC Studios Distribution Ltd.

Customer experience

Algodoo

All ratings878 ratings
Positive69.2%
Neutral7.5%
Negative23.2%
Written reviews714 reviews
Positive59.1%
Neutral12.5%
Negative28.4%

Hey Duggee Colouring

All ratings8 ratings
Positive50.0%
Neutral12.5%
Negative37.5%
Written reviews12 reviews
Positive25.0%
Neutral8.3%
Negative66.7%

Bugs and requests

Algodoo

Reported bugs

4 issues
  • 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

4 requests
  • 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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Algodoo

No in-app purchases

None

Hey Duggee Colouring

No in-app purchases

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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