# Authenticator App vs PDF

The clearest difference is ads: PDF at none against Authenticator App's shown. PDF also leads on update cadence (every 2 weeks vs every 2 months). Authenticator App's advantage is device support (3 vs 1) and iOS requirement (15.8 vs 18.0). On price and in-app purchases there is nothing between them.

Both are free to download. Authenticator App sells 1 in-app purchase, starting at $59.99 per year and PDF sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator App ships an update every 2 months, PDF every 2 weeks. The most recent releases landed on September 8, 2026 and August 10, 2026 respectively.

## The numbers

| Metric | Authenticator App | PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pdf-reader-scanner-editor/id6742465810/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 112 MB | 11 MB |
| Requires iOS | **15.8** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Zohaib](https://appshunter.io/developer/1488211196) | [Artem Dorozhkin](https://appshunter.io/developer/1798545981) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-and-mfa/id6742250725)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UPGRADE TO PRO | $59.99 | per year |


### PDF

[App page](https://appshunter.io/ios/app/pdf-reader-scanner-editor/id6742465810)

This app provides a comprehensive suite of tools for managing PDF documents. It allows users to view, edit, scan, convert, and sign PDFs, as well as extract text using OCR technology. Securely protect and share your files with ease.

**Highlights:** PDF Viewer & Reader, PDF Editor, E-Signature, PDF Scanner, OCR Text Extraction, PDF Conversion, Form Filling, Password Protection

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week | $4.99 | per 7 days |
| 1 month | $9.99 | per month |
| 1 year | $49.99 | per year |


## Frequently asked questions

### Is Authenticator App free?

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

### Is PDF free?

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

### Do Authenticator App or PDF have ads?

Authenticator App shows ads; PDF does not.

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

Authenticator App ships an update every 2 months, and PDF every 2 weeks. Most recently, Authenticator App was updated on September 8, 2026 and PDF on August 10, 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.*