Algodoo vs Space Chunks
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
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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.
Space Chunks
Explore stunning images and videos from NASA's Astronomy Picture of the Day (APOD). Discover daily celestial wonders and access a curated monthly collection with concise explanations.
- Daily NASA APOD image/video
- Monthly curated image/video set
- Short explanations from NASA
- Refreshable content
- Notifications for new content
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"Space Chunks" shows images/videos and a short explanation as described by NASA's APOD. It has a set of 12-15 images or videos with description for the current month and year. The app also shows the image/ video of the day. Please hit the refresh button to check the current image/ video. At the end of every month or 2, the existing images / videos is replaced by a new set of videos and images, that are retrieved from NASA's APOD. A notification is shown when new images are available if the user allows notifications to be displayed for this app.
Screenshots
Verdict
The clearest difference is rating: Space Chunks at 5.0 against Algodoo's 3.8. Space Chunks also leads on price ($1.99 vs $7.99) and device support (4 vs 1). Algodoo's advantage is ratings volume (878 vs 2) and update cadence (monthly vs every 3 months). 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
Algodoo costs $7.99 and Space Chunks $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Space Chunks holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Algodoo has 878 ratings behind it against 2, so its average is the more settled of the two.
Algodoo ships an update monthly, Space Chunks every 3 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.
| Parameter | Algodoo | Space Chunks |
|---|---|---|
| Price | $7.99 | $1.99 — better |
| Rating | 3.8 (878 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 58.7% of reviews | — |
| Number of ratings | 878 — better | 2 |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 29 MB | 12 MB |
| Age rating | 9+ | 17+ |
| Developer | Algoryx Simulation AB | Gomathy Shankaran |
Customer experience
Algodoo
Space Chunks
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
Space Chunks
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Algodoo
No in-app purchases
Space Chunks
No in-app purchases









