# PXK Air Disk vs DocMarkID

The clearest difference is in-app purchases: PXK Air Disk at none against DocMarkID's 1. PXK Air Disk also leads on iOS requirement (8.0 vs 17.6). DocMarkID's advantage is update cadence (monthly vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. DocMarkID sells 1 one-off in-app purchase. PXK Air Disk asks for nothing beyond the download.

PXK Air Disk ships an update every 8 months, DocMarkID monthly. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | PXK Air Disk | DocMarkID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pxk-air-disk/id1193426765/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free | — |
| Size | 60 MB | 4 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Hali-power Industrial CO., LTD](https://appshunter.io/developer/448145465) | [Frederique De Sousa](https://appshunter.io/developer/1804194740) |

## What reviewers say

### PXK Air Disk

[App page](https://appshunter.io/ios/app/pxk-air-disk/id1193426765)

Wirelessly save and transfer pictures, videos, and other files to and from your iOS smart devices. Keep your data secure and accessible on the go, ready to share with others whenever needed.

**Highlights:** Wireless file saving, Wireless file transfer, Picture saving, Video saving, File sharing, iOS device support

**Features:** macOS Compatibility

**In-app purchases:** none


### DocMarkID

[App page](https://appshunter.io/ios/app/docmarkid/id6773272329)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is PXK Air Disk free?

PXK Air Disk is free to download, with no in-app purchases.

### Is DocMarkID free?

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

### Do PXK Air Disk or DocMarkID have ads?

Neither PXK Air Disk nor DocMarkID shows ads.

### Which is updated more often, PXK Air Disk or DocMarkID?

PXK Air Disk ships an update every 8 months, and DocMarkID monthly. Most recently, PXK Air Disk was updated on October 4, 2026 and DocMarkID on September 29, 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.*