# Gene Screen vs The AlChemist

The clearest difference is rating: The AlChemist at 4.8 against Gene Screen's 3.2. The AlChemist also leads on update cadence (every 2 weeks vs every 5 months) and review sentiment (100% vs 83%). Gene Screen's advantage is iOS requirement (6.0 vs 16.0). On price, ratings volume, 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.

The AlChemist holds the better App Store score, 4.8 against 3.2. Both are backed by a comparable volume of ratings — 26 and 33 respectively. Written reviews point the same way: 83% of Gene Screen's written reviews are positive against 100% of The AlChemist's.

Gene Screen ships an update every 5 months, The AlChemist every 2 weeks. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Gene Screen | The AlChemist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (26 ratings)](https://appshunter.io/ios/app/gene-screen/id447754230/reviews) | **[4.8 (33 ratings)](https://appshunter.io/ios/app/the-alchemist-learning-app/id6737935650/reviews)** |
| Number of ratings | 26 | **33** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 124 MB | 59 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Cold Spring Harbor Laboratory](https://appshunter.io/developer/331399335) | [OPTIMAL SOURCE](https://appshunter.io/developer/1541548945) |

## What reviewers say

### Gene Screen

[App page](https://appshunter.io/ios/app/gene-screen/id447754230)

Explore genetic information related to health and heredity. This app focuses on recessive genetic diseases, particularly those more common in the Ashkenazi Jewish population. It's a learning tool developed by the DNA Learning Center.

**Highlights:** Recessive genetic disease information, Health and heredity focus, Cultural and ethnic prevalence, Ashkenazi Jewish genetic diseases, Fact-packed learning tool

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

**In-app purchases:** none


### The AlChemist

[App page](https://appshunter.io/ios/app/the-alchemist-learning-app/id6737935650)

An educational tool designed for 12th-grade students to deepen their chemistry knowledge. It offers interactive lessons and quizzes to simplify complex topics and encourage a passion for science.

**Highlights:** Interactive lessons, Quizzes, Engaging content, Simplifies complex concepts, Fosters love for science

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gene Screen free?

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

### Is The AlChemist free?

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

### Which has better reviews, Gene Screen or The AlChemist?

The AlChemist is rated higher. Gene Screen averages 3.2 out of 5 from 26 ratings, while The AlChemist averages 4.8 from 33 ratings.

### Do Gene Screen or The AlChemist have ads?

Neither Gene Screen nor The AlChemist shows ads.

### Which is updated more often, Gene Screen or The AlChemist?

Gene Screen ships an update every 5 months, and The AlChemist every 2 weeks. Most recently, Gene Screen was updated on October 15, 2026 and The AlChemist on October 6, 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.*