# OpenZen Doc vs DocZen

The clearest difference is in-app purchases: OpenZen Doc at none against DocZen's 4. DocZen's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. DocZen sells 4 in-app purchases, starting at $3.99 per month. OpenZen Doc asks for nothing beyond the download.

OpenZen Doc ships an update every 2 weeks, DocZen every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | OpenZen Doc | DocZen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 3 MB | 35 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Artem Stukalo](https://appshunter.io/developer/1885779471) | [Stephane Nimer](https://appshunter.io/developer/1888163802) |

## What reviewers say

### OpenZen Doc

[App page](https://appshunter.io/ios/app/openzen-doc/id6794031122)

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

**In-app purchases:** none


### DocZen

[App page](https://appshunter.io/ios/app/doczen-home-paperwork/id6815628313)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocZen Plus | $3.99 | per month |
| DocZen Family | $5.99 | per month |
| DocZen Plus | $35.00 | per year |
| DocZen Family | $59.00 | per year |


## Frequently asked questions

### Is OpenZen Doc free?

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

### Is DocZen free?

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

### Do OpenZen Doc or DocZen have ads?

Neither OpenZen Doc nor DocZen shows ads.

### Which is updated more often, OpenZen Doc or DocZen?

OpenZen Doc ships an update every 2 weeks, and DocZen every 4 days. Most recently, OpenZen Doc was updated on October 31, 2026 and DocZen on October 31, 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.*