# Scan to PDF vs Authenticator 2FA

The clearest difference is monetization model: Authenticator 2FA at free with in-app purchases against Scan to PDF's subscription. Authenticator 2FA also leads on update cadence (daily vs weekly) and rating (4.8 vs 4.6). Scan to PDF's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Scan to PDF sells 3 in-app purchases, starting at $4.99 per 7 days and Authenticator 2FA sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator 2FA holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 18 and 9 respectively.

Scan to PDF ships an update weekly, Authenticator 2FA daily. The most recent releases landed on June 6, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Scan to PDF | Authenticator 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (18 ratings)](https://appshunter.io/ios/app/scan-to-pdf-document-scanner/id6739254661/reviews) | **[4.8 (9 ratings)](https://appshunter.io/ios/app/authenticator-2fa-auth-core/id6740333827/reviews)** |
| Number of ratings | **18** | 9 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 43 MB | 27 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Richard Davis](https://appshunter.io/developer/1775416462) | [RAPHAEL EDER](https://appshunter.io/developer/1789543831) |

## What reviewers say

### Scan to PDF

[App page](https://appshunter.io/ios/app/scan-to-pdf-document-scanner/id6739254661)

Transform your phone into a portable scanner and PDF editor. Easily capture documents, convert them to high-quality PDFs, edit text and images, and secure your files with encryption. Seamlessly integrate with cloud storage for efficient document management.

**Highlights:** Scan documents to PDF, Edit PDF text and images, OCR for text recognition, Secure files with encryption, Cloud storage integration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Scanner | $4.99 | per 7 days |
| Premium Scanner | $6.99 | per 7 days |
| Premium Scanner | $19.99 | per year |


### Authenticator 2FA

[App page](https://appshunter.io/ios/app/authenticator-2fa-auth-core/id6740333827)

Enhance your online security with this app, which generates secure, time-sensitive codes for two-factor authentication. It offers easy account setup, multi-device synchronization, and robust encryption for protected logins.

**Highlights:** Secure code generation, Easy account setup, Multi-device support, Robust encryption, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auth Core Premium | $4.99 | per 7 days |
| Auth Core Premium | $6.99 | per 7 days |


## Frequently asked questions

### Is Scan to PDF free?

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

### Is Authenticator 2FA free?

Authenticator 2FA is free to download, with in-app purchases available.

### Which has better reviews, Scan to PDF or Authenticator 2FA?

Authenticator 2FA is rated higher. Scan to PDF averages 4.6 out of 5 from 18 ratings, while Authenticator 2FA averages 4.8 from 9 ratings.

### Do Scan to PDF or Authenticator 2FA have ads?

Neither Scan to PDF nor Authenticator 2FA shows ads.

### Which is updated more often, Scan to PDF or Authenticator 2FA?

Scan to PDF ships an update weekly, and Authenticator 2FA daily. Most recently, Scan to PDF was updated on June 6, 2026 and Authenticator 2FA on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*