# PDF Scanner Document Scanner vs Authenticator App

The clearest difference is ads: Authenticator App at none against PDF Scanner Document Scanner's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Scanner Document Scanner sells 3 in-app purchases, starting at $4.99 per month and Authenticator App sells 2 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

PDF Scanner Document Scanner ships an update weekly, Authenticator App every 9 days. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PDF Scanner Document Scanner | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 9 days |
| Size | 57 MB | 68 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Shraddha Limbasiya](https://appshunter.io/developer/1713525187) | [Ashish Chaklasiya](https://appshunter.io/developer/1028356298) |

## What reviewers say

### PDF Scanner Document Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-document-scanner/id1673341666)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $4.99 | per month |
| Weekly Premium Access | $5.99 | per 7 days |
| Yearly Premium Access | $49.99 | per year |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6477574808)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium - 1 year | $39.99 | per year |
| Authenticator Premium Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is PDF Scanner Document Scanner free?

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

### Is Authenticator App free?

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

### Do PDF Scanner Document Scanner or Authenticator App have ads?

PDF Scanner Document Scanner shows ads; Authenticator App does not.

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

PDF Scanner Document Scanner ships an update weekly, and Authenticator App every 9 days. Most recently, PDF Scanner Document Scanner was updated on September 24, 2026 and Authenticator App on September 19, 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.*