Engineering Adventures vs Osmo Numbers Classic
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Engineering Adventures
This app complements an out-of-school engineering curriculum by providing audio messages triggered by QR codes in accompanying journals. It covers 11 different engineering units, from building earthquake-resistant structures to designing space gloves.
- QR code scanner
- Audio messages from characters
- 11 engineering units
- Complements curriculum
- Interactive learning
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Messages from the Duo is designed to be used in conjunction with the out-of-school time engineering curriculum Engineering Adventures. Eleven units are available, including: 1. Hop to It: Safe Removal of Invasive Species 2. Bubble Bonanza: Engineering Bubble Wands 3. To the Rescue: Engineering Aid Drop Packages 4. Shake Things Up: Engineering Earthquake Resistant Buildings 5. Go Green: Engineering Recycled Racers 6. Liftoff: Engineering Rockets and Rovers 7. The Sky’s the Limit: Engineering Flying Technologies 8. Music to My Ears: An Acoustical Engineering Challenge 9. A Slippery Slope: Engineering Avalanche Protection Systems 10. Light Up the Night: An Electrical Engineering Challenge 11. In Good Hands: Engineering Space Gloves Educators and kids can use the special QR code scanner in this app to scan the codes in their Engineering Journals and play audio messages from India and Jacob, Engineering Adventures’ “travelling duo.” For more information about how to download or purchase an Educator Guide and Engineering Journal, visit the Engineering Adventures website at engineeringadventures.org. Produced by Owen Berliner and the Engineering is Elementary Team Developed by Sean Fitzgerald and Tarrant Cutler Illustrated by Ross Sullivan-Wiley
Osmo Numbers Classic
Engage children in hands-on math play by adding, counting, and multiplying tiles to pop number bubbles. This interactive game fosters a creative and explorative mindset towards mathematics, making learning fun and engaging in a vibrant underwater world.
- Add, count, and multiply tiles
- Pop number bubbles
- Collect over 90 unique fish
- Learn math creatively
- Develop problem-solving skills
- Hands-on play experience
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Add, count & multiply tiles to pop the number bubbles. Popping enough will free fish & unleash a lightning storm! Learn to be the numbers master. **One of 2016’s most intuitive product designs.** - Fast Company Award "...once again, Osmo has built something wonderfully creative and interactive." - Venture Beat "Osmo Numbers takes the fear out of figures." - Forbes "…revamp the unimaginative worksheets educators use to teach math" - TechCrunch When kids understand there are many ways to solve a problem, math becomes creative & fun. By having no wrong answers, we replace fear of math with an explorative mindset. Your kids will play in this beautiful engaging underwater world for ages, collecting over 90 fish of all kinds, from Rainbow to Frankenfish! *Requires the Osmo Base and Numbers tiles, found at www.playosmo.com * Please see our device compatibility list here: https://support.playosmo.com/hc/articles/115010156067 About Osmo Osmo is using the screen to create a new healthy, hands-on learning experience that promotes creativity, problem-solving and social interaction. We do this with our reflective artificial intelligent technology.
Screenshots
Verdict
The clearest difference is monetization model: Engineering Adventures at free against Osmo Numbers Classic's free with in-app purchases. Engineering Adventures also leads on iOS requirement (8.0 vs 15.0). Osmo Numbers Classic's advantage is ratings volume (264 vs 3) and rating (4.0 vs 3.7). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Osmo Numbers Classic holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: Osmo Numbers Classic has 264 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Engineering Adventures's written reviews are positive against 54% of Osmo Numbers Classic's.
Engineering Adventures ships an update every 7 months, Osmo Numbers Classic every 2 months. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.
| Parameter | Engineering Adventures | Osmo Numbers Classic |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.0 (264 ratings) — better |
| Positive reviews | 33.3% of reviews | 54.1% of reviews — better |
| Number of ratings | 3 | 264 — better |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 159 MB | 185 MB |
| Age rating | 4+ | 4+ |
| Developer | Museum of Science | Tangible Play |
Customer experience
Engineering Adventures
Osmo Numbers Classic
Bugs and requests
Engineering Adventures
Not enough reviews yet to summarise bugs or requests.
Osmo Numbers Classic
Reported bugs
10 issues- Apps not loading
- Never-ending loading screen
- App crashes
- Cannot access camera
- Doesn't recognize tiles properly
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- Profile and progress not saving
- Multiplication level displays addition
- Combos not detected often
- Game freezes
- App unusable due to camera access issues
Requested features
10 requests- Add more levels
- Include verbal number prompts
- Simpler starting point for younger kids
- More varied gameplay types
- Add an exit button for games
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- More challenging levels
- Allow profile and progress saving
- Fix multiplication portion issues
- Add visual cues for words
- Revert to older design
In-app purchases
Engineering Adventures
No in-app purchases
Osmo Numbers Classic
No in-app purchases
Questions
Is Engineering Adventures free?
Is Osmo Numbers Classic free?
Which has better reviews, Engineering Adventures or Osmo Numbers Classic?
Do Engineering Adventures or Osmo Numbers Classic have ads?
Which is updated more often, Engineering Adventures or Osmo Numbers Classic?
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