# Nicklaus Children's GameWorld vs Tummy Meter

The clearest difference is update cadence: Tummy Meter at every 4 days against Nicklaus Children's GameWorld's fortnightly. Tummy Meter also leads on ratings volume (5 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

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 — 5.0 for Nicklaus Children's GameWorld against 5.0 for Tummy Meter. That said, the two scores are not equally well evidenced: Tummy Meter has 5 ratings behind it against 1, so its average is the more settled of the two.

Nicklaus Children's GameWorld ships an update fortnightly, Tummy Meter every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Nicklaus Children's GameWorld | Tummy Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nicklaus-childrens-gameworld/id6448480899/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/tummy-meter/id6762532165/reviews) |
| Number of ratings | 1 | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | Free |
| Size | 148 MB | 35 MB |
| Requires iOS | **14** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Variety Children's Hospital](https://appshunter.io/developer/399850489) | [Aryan Porwal](https://appshunter.io/developer/1885860027) |

## What reviewers say

### Nicklaus Children's GameWorld

[App page](https://appshunter.io/ios/app/nicklaus-childrens-gameworld/id6448480899)

Engage in a variety of popular puzzles and word games designed for skill-building and entertainment. Explore multiple themes and difficulty levels to challenge your mind and relax.

**Highlights:** Spot the Difference, Four in a Row, Word Search, Crossword Puzzles, Multiple Themes, Adjustable Difficulty Levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Tummy Meter

[App page](https://appshunter.io/ios/app/tummy-meter/id6762532165)

This app uses a simulated tummy scan to playfully determine a child's fullness level during mealtimes. It's designed to add a bit of fun and potentially ease the struggles of dealing with picky eaters. The results are randomly generated for entertainment.

**Highlights:** Fake tummy scan simulation, Randomly generated fullness verdicts, Designed for picky eaters, No ads or sign-up required, Works entirely offline, Parent-created tool

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Nicklaus Children's GameWorld free?

Nicklaus Children's GameWorld is free to download, with no in-app purchases.

### Is Tummy Meter free?

Tummy Meter is free to download, with no in-app purchases.

### Which has better reviews, Nicklaus Children's GameWorld or Tummy Meter?

Nicklaus Children's GameWorld and Tummy Meter are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do Nicklaus Children's GameWorld or Tummy Meter have ads?

Neither Nicklaus Children's GameWorld nor Tummy Meter shows ads.

### Which is updated more often, Nicklaus Children's GameWorld or Tummy Meter?

Nicklaus Children's GameWorld ships an update fortnightly, and Tummy Meter every 4 days. Most recently, Nicklaus Children's GameWorld was updated on November 3, 2026 and Tummy Meter on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*