Algodoo vs Pi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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 descriptionHide 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.
Pi
Read full descriptionHide full description
Explore Pi Through Art Pi-cture It transforms the infinite digits of Pi into stunning pixel art. Turn numbers into color, explore patterns, and create unique images based on any position in Pi — even birthdays or lucky numbers. Generate Pi Images • Pick any starting digit in Pi • Create square images up to 31×31 • Each digit becomes a color pixel • Use “Distance” to skip digits for new patterns • Save and share your Pi art Search for Patterns • Draw your own pattern on a grid • Search billions of Pi digits to find where it appears • Optional video that shows the search in action • Explore how often certain sequences show up Customize Colors • Assign colors to digits 0–9 • Even/Odd two-tone mode • Instantly switch color schemes Timeline & History • All creations saved automatically • View details about each image • Export to Photos or share with friends Educational & Fun • Explore the randomness of Pi visually • Great for math lovers, educators, and digital artists • Create personalized number-based art Turn numbers into art. Discover patterns in chaos. Explore the infinite beauty of Pi.
Screenshots
Verdict
The clearest difference is price: Pi at Free against Algodoo's $7.99. Algodoo's advantage is iOS requirement (12.0 vs 18.0). On ads, 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
Pi is free to download; Algodoo costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Algodoo | Pi |
|---|---|---|
| Price | $7.99 | Free — better |
| Rating | 3.8 (878 ratings) — better | — |
| Positive reviews | 59.1% of reviews | — |
| Number of ratings | 878 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 29 MB | 10 MB |
| Age rating | 9+ | 4+ |
| Developer | Algoryx Simulation AB | BlueNeo LLC |
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
Pi
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Algodoo
No in-app purchases
Pi
No in-app purchases









