Osmo Numbers Classic vs ESAKids
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
ESAKids
Engaging games designed to teach children about space exploration. Features activities like coloring, matching, and memory games for younger children, and more complex challenges like spacecraft building and space trivia for older kids. Explore the Solar System with Paxi.
- Space-themed educational games
- Coloring, matching, and memory activities
- Spacecraft building missions
- Planet and moon landing challenges
- Space debris cleanup
- Space trivia for families
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The ESA Kids app features a set of carefully crafted games for kids to learn about space while having fun. Simple yet engaging, the app is suitable for a variety of age ranges. Introduce the tiny explorers to space and Paxi with colouring, matching, and memory games. Challenge the older pioneers with specific missions to build spacecraft, land on different planets and moons, and clean up space debris. Get the whole family together for a round of space trivia. Get ready to explore the Solar System with Paxi!
Screenshots
Verdict
The clearest difference is rating: ESAKids at 5.0 against Osmo Numbers Classic's 4.0. ESAKids also leads on monetization model (free vs free with in-app purchases) and review sentiment (75% vs 55%). Osmo Numbers Classic's advantage is update cadence (every 2 months vs every 56 months) and ratings volume (264 vs 4). 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.
ESAKids holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Osmo Numbers Classic has 264 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 55% of Osmo Numbers Classic's written reviews are positive against 75% of ESAKids's.
Osmo Numbers Classic ships an update every 2 months, ESAKids every 56 months. Both last shipped on November 3, 2026.
| Parameter | Osmo Numbers Classic | ESAKids |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (264 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 55.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 264 — better | 4 |
| Update frequency | Every 2 months — better | Every 56 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 185 MB | 1.4 GB |
| Age rating | 4+ | 4+ |
| Developer | Tangible Play | ESA - European Space Agency |
Customer experience
Osmo Numbers Classic
ESAKids
Bugs and 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
ESAKids
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Osmo Numbers Classic
No in-app purchases
ESAKids
No in-app purchases
Questions
Is Osmo Numbers Classic free?
Is ESAKids free?
Which has better reviews, Osmo Numbers Classic or ESAKids?
Do Osmo Numbers Classic or ESAKids have ads?
Which is updated more often, Osmo Numbers Classic or ESAKids?
Other comparisons
