# Embryo Master vs Passetemps

The clearest difference is in-app purchases: Passetemps at none against Embryo Master's 3. Passetemps also leads on update cadence (every 8 days vs every 2 months). Embryo Master's advantage is iOS requirement (10.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Embryo Master sells 3 in-app purchases, starting at $2.99 per month. Passetemps asks for nothing beyond the download.

Embryo Master ships an update every 2 months, Passetemps every 8 days. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Embryo Master | Passetemps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/embryo-master-3d-learning-tool/id6754748931/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 888 MB | 52 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xi'an Vesalius Digital Technology Co., Ltd.](https://appshunter.io/developer/1286583073) | [Julien Passetemps](https://appshunter.io/developer/1877409071) |

## What reviewers say

### Embryo Master

[App page](https://appshunter.io/ios/app/embryo-master-3d-learning-tool/id6754748931)

This educational tool offers a 3D visualization of human embryonic development, featuring textbook-aligned models, animations, and video lectures. Explore anatomical structures with interactive tools for a deeper understanding of life science.

**Highlights:** Textbook-synchronized 3D model library, Over 1000 high-precision 3D models, 50+ developmental animations, 30+ professional video lectures, 360-degree free rotation and structure breakdown, Transparency adjustment for internal structures, Comparison of developmental stages

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto-Renewable Monthly Subscription | $2.99 | per month |
| Auto-Renewable Annual Subscription | $19.99 | per year |
| Annual Subscription (Education) | $9.99 | one-time |


### Passetemps

[App page](https://appshunter.io/ios/app/passetemps/id6759206736)

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

**In-app purchases:** none


## Frequently asked questions

### Is Embryo Master free?

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

### Is Passetemps free?

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

### Do Embryo Master or Passetemps have ads?

Neither Embryo Master nor Passetemps shows ads.

### Which is updated more often, Embryo Master or Passetemps?

Embryo Master ships an update every 2 months, and Passetemps every 8 days. Most recently, Embryo Master was updated on October 2, 2026 and Passetemps on October 10, 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.*