Comparison

Algodoo vs Our Planets Ark

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

Our Planets Ark

Link cubes together to construct a fleet of spaceships and save humanity from a dying Earth. This addictive puzzle game offers a simple yet engaging experience for players.

Highlights
  • Link same colored cubes
  • Build spaceship army
  • Addictive puzzle gameplay
  • Save Earth from deep space
Features
Read full description

Earth is flying in deep space, humans need to build a space ship to save the world. There are many ship waiting you to build. By linking the cubes, the space ship army will build up. It is very addictive puzzle game, simply link the same cubes together. Simple but addictive!

Screenshots

Our Planets Ark4 screens

Verdict

The call

The clearest difference is ads: Algodoo at none against Our Planets Ark's shown. Algodoo also leads on price ($7.99 vs $14.99) and update cadence (monthly vs every 7 months). On rating, in-app purchases and device support 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 Our Planets Ark $14.99 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 3.7. That said, the two scores are not equally well evidenced: Algodoo has 1.2K ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Algodoo ships an update monthly, Our Planets Ark every 7 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
Algodoo versus Our Planets Ark: the parameters behind the verdict, then further details
ParameterAlgodooOur Planets Ark
Price$7.99 — better$14.99
Rating3.8 (1.2K ratings) — better3.7 (3 ratings)
Positive reviews58.7% of reviews—
Number of ratings1.2K — better3
Update frequencyMonthly — betterEvery 7 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPadiPhone, iPad — better
Requires iOS12.0 — better16.6
Further details — not scored
Size29 MB129 MB
Age rating9+4+
DeveloperAlgoryx Simulation ABOscar Tsang

Customer experience

Algodoo

All ratings878 ratings
Positive69.2%
Neutral7.5%
Negative23.2%
Written reviews726 reviews
Positive58.7%
Neutral12.5%
Negative28.8%

Our Planets Ark

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

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

Our Planets Ark

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Algodoo

No in-app purchases

None

Our Planets Ark

No in-app purchases

Questions

Is Algodoo free?
Algodoo costs $7.99, with no in-app purchases.
Is Our Planets Ark free?
Our Planets Ark costs $14.99, with no in-app purchases.
Which has better reviews, Algodoo or Our Planets Ark?
Algodoo is rated higher. Algodoo averages 3.8 out of 5 from 1.2K ratings, while Our Planets Ark averages 3.7 from 3 ratings.
Do Algodoo or Our Planets Ark have ads?
Our Planets Ark shows ads; Algodoo does not.
Which is updated more often, Algodoo or Our Planets Ark?
Algodoo ships an update monthly, and Our Planets Ark every 7 months. Most recently, Algodoo was updated on October 24, 2026 and Our Planets Ark on October 25, 2026.

Other comparisons