# Authenticator App vs SnapDoc PDF

The clearest difference is ads: Authenticator App at none against SnapDoc PDF's shown. SnapDoc PDF's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 2 in-app purchases, starting at $4.99 per 7 days and SnapDoc PDF sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator App ships an update every 6 weeks, SnapDoc PDF every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Authenticator App | SnapDoc PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 26 MB | 51 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RAPID DIJITAL HIZMETLER LIMITED SIRKETI](https://appshunter.io/developer/1778670178) | [EZTech Global Limited](https://appshunter.io/developer/1861686817) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-and-otp/id6755154549)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $14.99 | per month |


### SnapDoc PDF

[App page](https://appshunter.io/ios/app/snapdoc-pdf-ai-scanner/id6774075133)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapDoc Weekly Premium | $5.99 | per 7 days |
| SnapDoc Yearly Premium | $59.99 | per year |


## Frequently asked questions

### Is Authenticator App free?

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

### Is SnapDoc PDF free?

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

### Do Authenticator App or SnapDoc PDF have ads?

SnapDoc PDF shows ads; Authenticator App does not.

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

Authenticator App ships an update every 6 weeks, and SnapDoc PDF every 3 weeks. Most recently, Authenticator App was updated on October 24, 2026 and SnapDoc PDF on October 24, 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.*