# cDoc vs ForestLink

The clearest difference is update cadence: ForestLink at weekly against cDoc's every 5 weeks. 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 every 5 weeks, ForestLink weekly. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | cDoc | ForestLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 129 MB | 86 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chemical Documentation cDoc AB](https://appshunter.io/developer/1190862631) | [Forestlink AB](https://appshunter.io/developer/1519742072) |

## What reviewers say

### cDoc

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

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

**In-app purchases:** none


### ForestLink

[App page](https://appshunter.io/ios/app/forestlink/id1519742070)

**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 ForestLink free?

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

### Do cDoc or ForestLink have ads?

Neither cDoc nor ForestLink shows ads.

### Which is updated more often, cDoc or ForestLink?

cDoc ships an update every 5 weeks, and ForestLink weekly. Most recently, cDoc was updated on October 14, 2026 and ForestLink on October 4, 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.*