# Dok2PDF vs SkyWing VPN

The clearest difference is in-app purchases: SkyWing VPN at none against Dok2PDF's 1. Dok2PDF's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 21 months). On price and device support there is nothing between them.

Both are free to download. Dok2PDF sells 1 in-app purchase, starting at $4.99 per month. SkyWing VPN asks for nothing beyond the download.

Dok2PDF ships an update every 3 weeks, SkyWing VPN every 21 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Dok2PDF | SkyWing VPN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 21 months |
| Size | 21 MB | 99 MB |
| Requires iOS | **11.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [LemonBit Limited](https://appshunter.io/developer/1501504552) | [Shenzhen Qixiang Hudong Technology Co., Ltd](https://appshunter.io/developer/1715991265) |

## What reviewers say

### Dok2PDF

[App page](https://appshunter.io/ios/app/dok2pdf/id1460386894)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Полный доступ (ежемесячно) | $4.99 | per month |


### SkyWing VPN

[App page](https://appshunter.io/ios/app/skywing-vpn/id6615065342)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dok2PDF free?

Dok2PDF is free to download, with in-app purchases available.

### Is SkyWing VPN free?

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

### Do Dok2PDF or SkyWing VPN have ads?

SkyWing VPN shows ads; Dok2PDF does not.

### Which is updated more often, Dok2PDF or SkyWing VPN?

Dok2PDF ships an update every 3 weeks, and SkyWing VPN every 21 months. Most recently, Dok2PDF was updated on November 6, 2026 and SkyWing VPN on November 8, 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.*