# HistoGrams⁺ vs Embryo Master

The clearest difference is in-app purchases: HistoGrams⁺ at none against Embryo Master's 3. Embryo Master's advantage is rating (5.0 vs 4.7) and iOS requirement (10.0 vs 12.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Embryo Master holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | HistoGrams⁺ | Embryo Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/histograms/id6477970674/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/embryo-master-3d-learning-tool/id6754748931/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 888 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Viren Kariya](https://appshunter.io/developer/1731249462) | [Xi'an Vesalius Digital Technology Co., Ltd.](https://appshunter.io/developer/1286583073) |

## What reviewers say

### HistoGrams⁺

[App page](https://appshunter.io/ios/app/histograms/id6477970674)

This app offers a quick reference and revision guide for students, covering histology, physiology, biochemistry, and pathology. It features comprehensive notes and hand-drawn diagrams to simplify complex topics and prepare for exams.

**Highlights:** Histology revision notes, Hand-drawn diagrams, Neuroanatomy demos, Physiology practical details, Video links for concepts, Regular updates

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is HistoGrams⁺ free?

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

### Is Embryo Master free?

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

### Which has better reviews, HistoGrams⁺ or Embryo Master?

Embryo Master is rated higher. HistoGrams⁺ averages 4.7 out of 5 from 3 ratings, while Embryo Master averages 5.0 from 2 ratings.

### Do HistoGrams⁺ or Embryo Master have ads?

Neither HistoGrams⁺ nor Embryo Master shows ads.

### Which is updated more often, HistoGrams⁺ or Embryo Master?

HistoGrams⁺ ships an update every 2 months, and Embryo Master every 2 months. Most recently, HistoGrams⁺ was updated on October 9, 2026 and Embryo Master on October 2, 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.*