# Mental Chronometry vs Lamafox

The clearest difference is price: Lamafox at Free against Mental Chronometry's $0.99. Lamafox also leads on update cadence (every 2 months vs every 42 months). Mental Chronometry's advantage is in-app purchases (none vs 8). On ads, device support and iOS requirement there is nothing between them.

Lamafox is free to download; Mental Chronometry costs $0.99 up front. Lamafox sells 8 one-off in-app purchases. Mental Chronometry asks for nothing beyond the download.

Mental Chronometry ships an update every 42 months, Lamafox every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Mental Chronometry | Lamafox |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.6 (52 ratings)](https://appshunter.io/ios/app/lamafox-hide-and-seek/id1580366737/reviews)** |
| Number of ratings | — | **52** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 201 MB | 99 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Cohen](https://appshunter.io/developer/908777603) | [Paul Kolvenbach](https://appshunter.io/developer/1409641008) |

## What reviewers say

### Mental Chronometry

[App page](https://appshunter.io/ios/app/mental-chronometry/id1574095844)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lamafox

[App page](https://appshunter.io/ios/app/lamafox-hide-and-seek/id1580366737)

A creative puzzle game where you play hide-and-seek with a unique creature. Utilize your device's special features like shaking and tilting to solve playful challenges in colorful worlds. Enjoy a refreshing experience suitable for both children and adults.

**Highlights:** Hide-and-seek gameplay, Device feature interaction (shake, tilt), Colorful worlds with cute animals, Casual puzzle solving, Creative problem-solving, No game over

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Green World | $2.99 | one-time |
| White World | $2.99 | one-time |
| Black World | $2.99 | one-time |
| Green World | $5.99 | one-time |
| White World | $5.99 | one-time |
| Black World | $5.99 | one-time |
| All Worlds | $8.95 | one-time |
| All Worlds | $12.99 | one-time |


## Frequently asked questions

### Is Mental Chronometry free?

Mental Chronometry costs $0.99, with no in-app purchases.

### Is Lamafox free?

Lamafox is free to download, with in-app purchases available.

### Do Mental Chronometry or Lamafox have ads?

Neither Mental Chronometry nor Lamafox shows ads.

### Which is updated more often, Mental Chronometry or Lamafox?

Mental Chronometry ships an update every 42 months, and Lamafox every 2 months. Most recently, Mental Chronometry was updated on November 7, 2026 and Lamafox on November 7, 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.*