# cheminfo vs Classifindex

The clearest difference is update cadence: cheminfo at every 4 months against Classifindex's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

cheminfo ships an update every 4 months, Classifindex every 19 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | cheminfo | Classifindex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 19 months |
| Size | 7 MB | 68 MB |
| Requires iOS | **14.7** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Bundesamt für Gesundheit BAG](https://appshunter.io/developer/557143322) | [CNRS Prévention du risque chimique](https://appshunter.io/developer/892400333) |

## What reviewers say

### cheminfo

[App page](https://appshunter.io/ios/app/cheminfo/id557143319)

**Features:** macOS Compatibility

**In-app purchases:** none


### Classifindex

[App page](https://appshunter.io/ios/app/classifindex/id892400330)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is cheminfo free?

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

### Is Classifindex free?

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

### Do cheminfo or Classifindex have ads?

Neither cheminfo nor Classifindex shows ads.

### Which is updated more often, cheminfo or Classifindex?

cheminfo ships an update every 4 months, and Classifindex every 19 months. Most recently, cheminfo was updated on September 14, 2026 and Classifindex on September 17, 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.*