# PDF Pro Reader Edit vs Authenticator App

The clearest difference is ratings volume: PDF Pro Reader Edit at 4 against Authenticator App's 1. Authenticator App's advantage is iOS requirement (13.0 vs 16.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. PDF Pro Reader Edit sells 1 one-off in-app purchase and Authenticator App sells 1 in-app purchase, starting at $2.00 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for PDF Pro Reader Edit against 5.0 for Authenticator App. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

PDF Pro Reader Edit ships an update every 4 weeks, Authenticator App monthly. The most recent releases landed on September 15, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | PDF Pro Reader Edit | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/pdf-pro-reader-edit-converter/id1505038693/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-pro/id6448697938/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 59 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [崴 杨](https://appshunter.io/developer/1505035148) | [Denis Vithani](https://appshunter.io/developer/1611512969) |

## What reviewers say

### PDF Pro Reader Edit

[App page](https://appshunter.io/ios/app/pdf-pro-reader-edit-converter/id1505038693)

This app allows you to read, edit, and manage PDF files. It offers features like merging, splitting, converting PDFs to images, adding text, highlighting, and creating digital signatures. You can also import PDFs from iCloud or scan documents.

**Highlights:** Merge and split PDF files, Convert PDF to images, Add text and annotations, Create digital signatures, Encrypt and unlock PDFs, Scan documents to PDF, Import from iCloud

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to PRO | $1.99 | one-time |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-pro/id6448697938)

This app provides two-factor authentication by generating time-based one-time passwords (TOTP) and push authentication. It adds an extra layer of security to your online accounts by creating unique codes that help protect against unauthorized access.

**Highlights:** Two-factor authentication, TOTP & HOTP token generation, 30 & 60 second tokens, QR code scanner, Password protection for tokens, No internet connection required for codes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Subscription | $2.00 | per month |


## Frequently asked questions

### Is PDF Pro Reader Edit free?

PDF Pro Reader Edit is free to download, with in-app purchases available.

### Is Authenticator App free?

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

### Which has better reviews, PDF Pro Reader Edit or Authenticator App?

PDF Pro Reader Edit and Authenticator App are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do PDF Pro Reader Edit or Authenticator App have ads?

Neither PDF Pro Reader Edit nor Authenticator App shows ads.

### Which is updated more often, PDF Pro Reader Edit or Authenticator App?

PDF Pro Reader Edit ships an update every 4 weeks, and Authenticator App monthly. Most recently, PDF Pro Reader Edit was updated on September 15, 2026 and Authenticator App on June 11, 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.*