# PDF Converter & PDF Scanner vs Authenticator

The clearest difference is ads: Authenticator at none against PDF Converter & PDF Scanner's shown. Authenticator also leads on update cadence (every 4 days vs every 8 days). PDF Converter & PDF Scanner's advantage is ratings volume (91 vs 8) and iOS requirement (14.0 vs 16). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. PDF Converter & PDF Scanner sells 3 in-app purchases, starting at $4.99 per 7 days and Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for PDF Converter & PDF Scanner against 4.5 for Authenticator. That said, the two scores are not equally well evidenced: PDF Converter & PDF Scanner has 91 ratings behind it against 8, so its average is the more settled of the two.

PDF Converter & PDF Scanner ships an update every 8 days, Authenticator every 4 days. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | PDF Converter & PDF Scanner | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (91 ratings)](https://appshunter.io/ios/app/pdf-converter-and-pdf-scanner/id6502906331/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/authenticator-password-keeper/id6743125741/reviews) |
| Number of ratings | **91** | 8 |
| Positive reviews | 97.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 11 MB |
| Requires iOS | **14.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [家俊 张](https://appshunter.io/developer/1745982381) | [Crossing Pub](https://appshunter.io/developer/1810187275) |

## What reviewers say

### PDF Converter & PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-converter-and-pdf-scanner/id6502906331)

This app acts as a portable PDF assistant, allowing users to scan, edit, and convert documents and photos into PDF format. It offers high-quality scanning, smart OCR for text recognition, and versatile editing tools. Convert PDFs to various formats and secure your files with encryption.

**Highlights:** High-quality scanning, Smart OCR text recognition, All-in-one PDF editing, Format conversion (Word, Excel, images), Secure file encryption, Add text, images, annotations, signatures

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week | $4.99 | per 7 days |
| 1 month | $16.99 | per month |
| 1 year | $39.99 | per year |


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-password-keeper/id6743125741)

This app provides free two-factor and multi-factor authentication for your online accounts. It also offers a password manager with autofill, encrypted backups, and a built-in VPN for enhanced digital security.

**Highlights:** Two-Factor Authentication (2FA), Password Manager with Autofill, Encrypted Backups, Cross-Device Sync, Offline Access, Built-In VPN Protection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Trial Subscription | $6.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is PDF Converter & PDF Scanner free?

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

### Is Authenticator free?

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

### Which has better reviews, PDF Converter & PDF Scanner or Authenticator?

PDF Converter & PDF Scanner is rated higher. PDF Converter & PDF Scanner averages 4.6 out of 5 from 91 ratings, while Authenticator averages 4.5 from 8 ratings.

### Do PDF Converter & PDF Scanner or Authenticator have ads?

PDF Converter & PDF Scanner shows ads; Authenticator does not.

### Which is updated more often, PDF Converter & PDF Scanner or Authenticator?

PDF Converter & PDF Scanner ships an update every 8 days, and Authenticator every 4 days. Most recently, PDF Converter & PDF Scanner was updated on October 12, 2026 and Authenticator on October 17, 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.*