# Physique Engineer vs Chimie

The clearest difference is in-app purchases: Chimie at none against Physique Engineer's 10. Chimie also leads on update cadence (every 2 months vs every 36 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Physique Engineer sells 10 one-off in-app purchases. Chimie asks for nothing beyond the download.

Physique Engineer ships an update every 36 months, Chimie every 2 months. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Physique Engineer | Chimie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 months** |
| Size | 317 MB | 23 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Jai Singh](https://appshunter.io/developer/1652875866) | [Rose Marie Akiki](https://appshunter.io/developer/1845708031) |

## What reviewers say

### Physique Engineer

[App page](https://appshunter.io/ios/app/physique-engineer/id6444184737)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NUTRITION COURSE: BASIC BOOK | $0.99 | one-time |
| THE HUMAN DIGESTIVE SYSTEM | $1.99 | one-time |
| GASTRIC SOLUTIONS | $1.99 | one-time |
| SEXUAL WELLNESS: POWER DIET | $4.99 | one-time |
| 657254f3e4b07ce1440208a8 | $4.99 | one-time |
| PILES CURE DIET | $10.99 | one-time |
| HEPATITIS RECOVERY PROGRAM | $10.99 | one-time |
| 63e314ede4b0999866ccd64d | $10.99 | one-time |
| SPECIAL POPULATION | $39.99 | one-time |
| Specialized Nutrition Course | $99.99 | one-time |


### Chimie

[App page](https://appshunter.io/ios/app/chimie-30-premiers-elements/id6754467713)

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

**In-app purchases:** none


## Frequently asked questions

### Is Physique Engineer free?

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

### Is Chimie free?

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

### Do Physique Engineer or Chimie have ads?

Neither Physique Engineer nor Chimie shows ads.

### Which is updated more often, Physique Engineer or Chimie?

Physique Engineer ships an update every 36 months, and Chimie every 2 months. Most recently, Physique Engineer was updated on September 26, 2026 and Chimie on October 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.*