# cheminfo vs WeeziApp

The clearest difference is update cadence: WeeziApp at monthly against cheminfo's every 4 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, WeeziApp monthly. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | cheminfo | WeeziApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 7 MB | 52 MB |
| Requires iOS | **14.7** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bundesamt für Gesundheit BAG](https://appshunter.io/developer/557143322) | [Proges Plus](https://appshunter.io/developer/540311588) |

## What reviewers say

### cheminfo

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

**Features:** macOS Compatibility

**In-app purchases:** none


### WeeziApp

[App page](https://appshunter.io/ios/app/weeziapp/id6737836245)

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

**In-app purchases:** none


## Frequently asked questions

### Is cheminfo free?

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

### Is WeeziApp free?

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

### Do cheminfo or WeeziApp have ads?

Neither cheminfo nor WeeziApp shows ads.

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

cheminfo ships an update every 4 months, and WeeziApp monthly. Most recently, cheminfo was updated on September 14, 2026 and WeeziApp on September 18, 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.*