# PDF Scanner App・Scan Document vs SQAuthenticator

The clearest difference is in-app purchases: SQAuthenticator at none against PDF Scanner App・Scan Document's 3. SQAuthenticator also leads on ads (none vs shown). PDF Scanner App・Scan Document's advantage is update cadence (every 5 weeks vs every 11 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner App・Scan Document sells 3 in-app purchases, starting at $5.99 per 7 days. SQAuthenticator asks for nothing beyond the download.

PDF Scanner App・Scan Document ships an update every 5 weeks, SQAuthenticator every 11 months. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PDF Scanner App・Scan Document | SQAuthenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/pdf-scanner-appscan-document/id1481003141/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 17 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Khanh Le](https://appshunter.io/developer/1437735756) | [AKSHI](https://appshunter.io/developer/904592124) |

## What reviewers say

### PDF Scanner App・Scan Document

[App page](https://appshunter.io/ios/app/pdf-scanner-appscan-document/id1481003141)

Transform your device into a powerful mobile scanner. Easily capture, save, and share documents as PDFs or PNGs. Features include text recognition, e-signing, and local storage for all your scanned files.

**Highlights:** Scan to PDF or JPEG, E-sign documents, Text recognition and editing, Multipage scanning, Local document storage, Sort and manage files

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scanner PDF - Weekly | $5.99 | per 7 days |
| Scanner PDF‪ - Monthly | $12.99 | per month |
| PDF Scanner - Lifetime | $39.99 | one-time |


### SQAuthenticator

[App page](https://appshunter.io/ios/app/sqauthenticator/id6748820303)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner App・Scan Document free?

PDF Scanner App・Scan Document is free to download, with in-app purchases available.

### Is SQAuthenticator free?

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

### Do PDF Scanner App・Scan Document or SQAuthenticator have ads?

PDF Scanner App・Scan Document shows ads; SQAuthenticator does not.

### Which is updated more often, PDF Scanner App・Scan Document or SQAuthenticator?

PDF Scanner App・Scan Document ships an update every 5 weeks, and SQAuthenticator every 11 months. Most recently, PDF Scanner App・Scan Document was updated on September 26, 2026 and SQAuthenticator on October 3, 2026.

---

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