# cDoc vs Carl F

The clearest difference is update cadence: cDoc at monthly against Carl F's every 22 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.

cDoc ships an update monthly, Carl F every 22 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | cDoc | Carl F |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 22 months |
| Size | 131 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chemical Documentation cDoc AB](https://appshunter.io/developer/1190862631) | [Roxx Communication Group](https://appshunter.io/developer/408833746) |

## What reviewers say

### cDoc

[App page](https://appshunter.io/ios/app/cdoc/id1190862632)

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

**In-app purchases:** none


### Carl F

[App page](https://appshunter.io/ios/app/carl-f-connect/id6739416334)

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

**In-app purchases:** none


## Frequently asked questions

### Is cDoc free?

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

### Is Carl F free?

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

### Do cDoc or Carl F have ads?

Neither cDoc nor Carl F shows ads.

### Which is updated more often, cDoc or Carl F?

cDoc ships an update monthly, and Carl F every 22 months. Most recently, cDoc was updated on October 26, 2026 and Carl F on October 30, 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.*