# My Doc Scan vs Authenticator App

The clearest difference is in-app purchases: My Doc Scan at none against Authenticator App's 3. My Doc Scan also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Authenticator App's advantage is update cadence (every 4 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $6.99 per 7 days. My Doc Scan asks for nothing beyond the download.

My Doc Scan ships an update every 3 weeks, Authenticator App every 4 days. The most recent releases landed on September 16, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | My Doc Scan | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (15 ratings)](https://appshunter.io/ios/app/authenticator-app-duoshield/id6467132147/reviews)** |
| Number of ratings | — | **15** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 60 MB | 25 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carol Allen](https://appshunter.io/developer/1706810406) | [Stas Miroshko](https://appshunter.io/developer/1705754274) |

## What reviewers say

### My Doc Scan

[App page](https://appshunter.io/ios/app/my-doc-scan/id6466985904)

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-duoshield/id6467132147)

Secure your online accounts with this comprehensive two-factor authentication tool. It offers features like account organization, customizable icons, secure backups, and Face ID protection. Unlock advanced features like QR code scanning and manual 2FA entry with premium subscriptions.

**Highlights:** Account creation and storage, Customizable account folders, Personalized account icons, Secure data export, Light/dark theme UI settings, Face ID app lock, Cross-device sync and backup

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duo Step Mobile Authentication | $6.99 | per 7 days |
| 2FA-MFA OTP-TOTP Authenticator | $39.99 | per year |
| Annual purchase premium access | $49.99 | one-time |


## Frequently asked questions

### Is My Doc Scan free?

My Doc Scan is free to download, with no in-app purchases.

### Is Authenticator App free?

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

### Do My Doc Scan or Authenticator App have ads?

Authenticator App shows ads; My Doc Scan does not.

### Which is updated more often, My Doc Scan or Authenticator App?

My Doc Scan ships an update every 3 weeks, and Authenticator App every 4 days. Most recently, My Doc Scan was updated on September 16, 2026 and Authenticator App on July 6, 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.*