# Chromatography vs Mendeleev.me

The clearest difference is price: Mendeleev.me at Free against Chromatography's $1.99. Mendeleev.me also leads on update cadence (every 6 weeks vs every 41 months). Chromatography's advantage is in-app purchases (none vs 4) and iOS requirement (11.0 vs 15.0). On ads and device support there is nothing between them.

Mendeleev.me is free to download; Chromatography costs $1.99 up front. Mendeleev.me sells 4 one-off in-app purchases. Chromatography asks for nothing beyond the download.

Chromatography ships an update every 41 months, Mendeleev.me every 6 weeks. The most recent releases landed on October 30, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Chromatography | Mendeleev.me |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.8 (24 ratings)](https://appshunter.io/ios/app/mendeleevme/id1601845870/reviews)** |
| Number of ratings | — | **24** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 6 weeks** |
| Monetization | — | Paid |
| Size | 75 MB | 206 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [AGILE FLEX TECH](https://appshunter.io/developer/1601049602) |

## What reviewers say

### Chromatography

[App page](https://appshunter.io/ios/app/chromatography/id1569139868)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mendeleev.me

[App page](https://appshunter.io/ios/app/mendeleevme/id1601845870)

Explore the periodic table with detailed element information, interactive chemistry experiments, and atom structure simulations. This educational tool offers multi-language support, downloadable resources, and studying analytics to enhance learning. Discover hidden secrets and enjoy a cohesive, functional design.

**Highlights:** Virtual chemistry laboratory, Detailed element information, Atom structure simulations, Downloadable element PDFs, Studying analytics, Multi-language support, Interactive experiments

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPECIAL OFFER! | $9.99 | one-time |
| The Chernobyl Experiments Pack | $9.99 | one-time |
| The Explosive Experiments Pack | $9.99 | one-time |
| The Metals Experiments Pack | $9.99 | one-time |


## Frequently asked questions

### Is Chromatography free?

Chromatography costs $1.99, with no in-app purchases.

### Is Mendeleev.me free?

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

### Do Chromatography or Mendeleev.me have ads?

Neither Chromatography nor Mendeleev.me shows ads.

### Which is updated more often, Chromatography or Mendeleev.me?

Chromatography ships an update every 41 months, and Mendeleev.me every 6 weeks. Most recently, Chromatography was updated on October 30, 2026 and Mendeleev.me 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.*