Tummyfish vs Osmo World
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Tummyfish
This virtual friend encourages children to drink more water through interactive games and rewards. Parents can set reminders and track progress, while kids engage with their virtual companion in a lively environment.
- Virtual friend to encourage water intake
- Interactive games and rewards
- Parental notifications for hydration
- Track water consumption statistics
- Learn benefits of drinking water
- Unlock toys and mini-games
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Brought to you by Nestlé for Healthier Kids, Tummyfish is the most playful way to help you encourage your kids to drink more water. Tummyfish is a virtual friend that teaches your kids the benefits of drinking water. Together, you form good drinking habits with rewards and games. After a harrowing adventure, Tummyfish finds a safe home in your child’s tummy. Now it’s up to you and your kids to keep her happy. For Parents: • Create a Tummyfish for each of your kids. • Set notifications for moments when your child needs water. • Track water consumption and progress with weekly and daily statistics. For your Kids: • Have fun playing with a Tummyfish in a lively environment. • See how water and sugary drinks affect your Tummyfish and her environment. • Unlock toys and mini-games to reward good drinking habits. Nestle for Healthier Kids is a science-based program created to help parents instill healthier eating, drinking and lifestyle habits in children between the ages of 4 to 12.
Osmo World
This app serves as a central hub for a collection of educational games designed to foster creativity, problem-solving, and social interaction in children. It allows users to launch into various Osmo games and collect virtual rewards.
- Launch Osmo games
- Explore game library
- Win collectible stickers
- Hands-on learning
- Promotes creativity
- Encourages problem-solving
- Fosters social interaction
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This is the home for Osmo! Launch into Osmo to explore all your favorite Osmo games, and win collectible stickers along the way. Osmo is connecting over 1 million kids around the world to a new healthy, hands-on learning experience that promotes creativity, problem-solving, and social interaction. Find out more at www.playosmo.com
Screenshots
Verdict
Tummyfish and Osmo World both sit at 3.8 stars, but that hides the real split: 86% of Tummyfish's written reviews are positive against 42% of Osmo World's. Tummyfish also leads on monetization model (free vs ad-supported). Osmo World's advantage is ratings volume (1.4K vs 8). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 3.8 for Tummyfish against 3.9 for Osmo World. That said, the two scores are not equally well evidenced: Osmo World has 1.4K ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 86% of Tummyfish's written reviews are positive against 42% of Osmo World's.
Tummyfish ships an update every 3 months, Osmo World every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Tummyfish | Osmo World |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (8 ratings) | 3.9 (1.4K ratings) — better |
| Positive reviews | 85.7% of reviews — better | 42.3% of reviews |
| Number of ratings | 8 | 1.4K — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 274 MB | 347 MB |
| Age rating | 4+ | 4+ |
| Developer | Nestlé | Tangible Play |
Customer experience
Tummyfish
Osmo World
Bugs and requests
Tummyfish
Not enough reviews yet to summarise bugs or requests.
Osmo World
Reported bugs
4 issues- App crashes or freezes
- Camera recognition problems
- Saved progress/data loss
- Incompatibility with certain iPad models
Requested features
4 requests- More game content and updates
- Improved account/progress syncing
- Simplified setup and onboarding
- Better support for newer hardware
In-app purchases
Tummyfish
No in-app purchases
Osmo World
No in-app purchases
