# IMasterPDF vs 9F VPN

The clearest difference is in-app purchases: 9F VPN at none against IMasterPDF's 2. IMasterPDF's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. IMasterPDF sells 2 in-app purchases, starting at $0.99 per 7 days. 9F VPN asks for nothing beyond the download.

## The numbers

| Metric | IMasterPDF | 9F VPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/9f-vpn-fast-proxy-and-shield/id6774030251/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 76 MB | 126 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ilyas inajjar](https://appshunter.io/developer/1864886343) | [9F Technologies LLC](https://appshunter.io/developer/6774030253) |

## What reviewers say

### IMasterPDF

[App page](https://appshunter.io/ios/app/imasterpdf-pdf-scanner/id6766072258)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Yearly Premium | $12.99 | per year |


### 9F VPN

[App page](https://appshunter.io/ios/app/9f-vpn-fast-proxy-and-shield/id6774030251)

Experience ultra-fast, secure, and private internet access globally and in Southeast Asia. Enjoy buffer-free streaming, low-ping gaming, and robust Wi-Fi protection with advanced stealth protocols. Connect up to 5 devices simultaneously with a strict zero-logs policy.

**Highlights:** Ultra-fast dedicated backbone, Instant 4K/8K streaming, Advanced REALITY stealth protocol, Low-ping gaming optimization, Connect up to 5 devices, Strict zero-logs commitment

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

**In-app purchases:** none


## Frequently asked questions

### Is IMasterPDF free?

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

### Is 9F VPN free?

9F VPN is free to download, with no in-app purchases.

### Do IMasterPDF or 9F VPN have ads?

9F VPN shows ads; IMasterPDF does not.

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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.*