# ARK vs PDF Converter Scanner Printer

The clearest difference is in-app purchases: ARK at none against PDF Converter Scanner Printer's 5. ARK also leads on ads (none vs shown) and update cadence (every 9 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Converter Scanner Printer sells 5 in-app purchases, starting at $1.99 per 7 days. ARK asks for nothing beyond the download.

ARK ships an update every 9 days, PDF Converter Scanner Printer every 3 months. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ARK | PDF Converter Scanner Printer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (25 ratings)](https://appshunter.io/ios/app/pdf-converter-scanner-printer/id6749176276/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 21 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ARK TECHNOLOGY INFORMATION SYSTEMS](https://appshunter.io/developer/1679177007) | [杨胜 朱](https://appshunter.io/developer/1609009505) |

## What reviewers say

### ARK

[App page](https://appshunter.io/ios/app/ark-crs/id6448635571)

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

**In-app purchases:** none


### PDF Converter Scanner Printer

[App page](https://appshunter.io/ios/app/pdf-converter-scanner-printer/id6749176276)

Easily convert photos and images into PDF documents. This tool also functions as a professional scanner, allowing you to capture and digitize physical documents. Share and print your created PDFs directly from your device.

**Highlights:** Convert photos to PDF, Scan documents to PDF, Share PDF files, Print PDF documents, Extract PDF to photos

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $1.99 | per 7 days |
| Monthly VIP | $2.99 | per month |
| Yearly VIP | $4.99 | per year |
| Lifetime VIP | $6.99 | one-time |
| Lifetime VIP | $19.99 | one-time |


## Frequently asked questions

### Is ARK free?

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

### Is PDF Converter Scanner Printer free?

PDF Converter Scanner Printer is free to download, with in-app purchases available.

### Do ARK or PDF Converter Scanner Printer have ads?

PDF Converter Scanner Printer shows ads; ARK does not.

### Which is updated more often, ARK or PDF Converter Scanner Printer?

ARK ships an update every 9 days, and PDF Converter Scanner Printer every 3 months. Most recently, ARK was updated on October 13, 2026 and PDF Converter Scanner Printer on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*