# PDF Scanner vs Authenticator

The clearest difference is ads: PDF Scanner at none against Authenticator's shown. PDF Scanner also leads on update cadence (every 5 days vs monthly) and iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Scanner sells 2 in-app purchases, starting at $5.99 per 7 days and Authenticator sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Scanner ships an update every 5 days, Authenticator monthly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | PDF Scanner | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Monthly |
| Size | 32 MB | 49 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Better Software LLC](https://appshunter.io/developer/1879578402) | [Huong Dang](https://appshunter.io/developer/1896285075) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-pocket-scanner/id6788762527)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Pro - Unlock All Features | $5.99 | per 7 days |
| Unlock All Features | $9.99 | per 7 days |


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-vault/id6809136121)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $6.99 | per 7 days |
| Yearly Premium Access | $39.99 | per year |


## Frequently asked questions

### Is PDF Scanner free?

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

### Is Authenticator free?

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

### Do PDF Scanner or Authenticator have ads?

Authenticator shows ads; PDF Scanner does not.

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

PDF Scanner ships an update every 5 days, and Authenticator monthly. Most recently, PDF Scanner was updated on October 25, 2026 and Authenticator on October 29, 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.*