Tummyfish vs Brain Work
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
Read full descriptionHide full description
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.
Brain Work
Read full descriptionHide full description
If you want to strengthen your memory, you are in the right place. Find out whose memory is stronger by competing with your friends. Kids can also use this app to improve their short-term memory.
Screenshots
Verdict
The clearest difference is update cadence: Brain Work at every 2 days against Tummyfish's every 3 months. Brain Work also leads on iOS requirement (12.0 vs 14.0). 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.
Tummyfish ships an update every 3 months, Brain Work every 2 days. The most recent releases landed on August 16, 2026 and September 17, 2026 respectively.
| Parameter | Tummyfish | Brain Work |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (8 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 3 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 274 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Nestlé | aylin komutgan |
In-app purchases
Tummyfish
No in-app purchases
Brain Work
No in-app purchases
