# Authenticator App vs PDF Scanner| Document Scanning

The clearest difference is review sentiment: Authenticator App at 67% against PDF Scanner| Document Scanning's 25%. Authenticator App also leads on ratings volume (210 vs 27). PDF Scanner| Document Scanning's advantage is update cadence (daily vs every 8 months) and rating (4.7 vs 4.3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Authenticator App sells 15 in-app purchases, starting at $4.99 per 7 days and PDF Scanner| Document Scanning sells 9 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Scanner| Document Scanning holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Authenticator App has 210 ratings behind it against 27, so its average is the more settled of the two. Written reviews complicate that: 67% of Authenticator App's written reviews are positive against 25% of PDF Scanner| Document Scanning's, so the app with the better star average is not the one people write more warmly about.

Authenticator App ships an update every 8 months, PDF Scanner| Document Scanning daily. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Authenticator App | PDF Scanner| Document Scanning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (210 ratings)](https://appshunter.io/ios/app/authenticator-app-2famfaotp/id6480137982/reviews) | **[4.7 (27 ratings)](https://appshunter.io/ios/app/pdf-scanner-document-scanning/id6744410945/reviews)** |
| Number of ratings | **210** | 27 |
| Positive reviews | **66.7% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 72 MB |
| Requires iOS | 17 | **16.4** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Authentication Services](https://appshunter.io/developer/1880352966) | [Moshe Sinay](https://appshunter.io/developer/1825372922) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2famfaotp/id6480137982)

This app generates secure two-factor authentication tokens to protect your online accounts. It offers encrypted cloud backups and multi-device synchronization for easy recovery and access. The app works offline and can be secured with a PIN or biometric lock.

**Highlights:** Secure 2FA token generation, Encrypted cloud backups, Multi-device synchronization, Offline functionality, PIN and biometric lock

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Security Authenticator | $4.99 | per 7 days |
| Enhance online security | $5.99 | per 7 days |
| Generate one-time passwords | $5.99 | per 7 days |
| Smart Authenticator | $6.99 | per 7 days |
| One-Time Password Generator | $7.99 | per 7 days |
| Secure Code Generator | $7.99 | per 7 days |
| One-Time Security Code App | $9.99 | per 7 days |
| Smart Code Authenticator | $11.99 | per 7 days |
| 2FA App | $14.99 | per month |
| Secure Verification Generator | $19.99 | per month |
| Secure your accounts | $19.99 | per month |
| Account protection Authenticator | $29.99 | per month |
| Secure your accounts | $39.99 | per year |
| Safe Login Code Generator | $49.99 | per year |
| One-Time Password | $59.99 | per year |


### PDF Scanner| Document Scanning

[App page](https://appshunter.io/ios/app/pdf-scanner-document-scanning/id6744410945)

Transform paper documents into digital PDFs with this powerful scanner app. Easily capture, edit, sign, and organize your files for enhanced productivity at work, school, or home.

**Highlights:** Scan documents to PDF, Edit text and images in PDFs, Add signatures to documents, Compress PDF files, Organize and manage scanned files

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Editor Pro | $4.99 | per 7 days |
| PDF Editor Pro | $4.99 | per 7 days |
| PDF Editor Pro | $6.99 | per 7 days |
| PDF Editor Pro | $9.99 | per year |
| PDF Editor Pro | $14.99 | per 3 months |
| PDF Editor Pro | $19.99 | per year |
| PDF Editor Pro | $19.99 | per year |
| PDF Editor Pro | $29.99 | per year |
| PDF Editor Pro | $29.99 | per year |


## Frequently asked questions

### Is Authenticator App free?

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

### Is PDF Scanner| Document Scanning free?

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

### Which has better reviews, Authenticator App or PDF Scanner| Document Scanning?

PDF Scanner| Document Scanning is rated higher. Authenticator App averages 4.3 out of 5 from 210 ratings, while PDF Scanner| Document Scanning averages 4.7 from 27 ratings.

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

Neither Authenticator App nor PDF Scanner| Document Scanning shows ads.

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

Authenticator App ships an update every 8 months, and PDF Scanner| Document Scanning daily. Most recently, Authenticator App was updated on September 24, 2026 and PDF Scanner| Document Scanning on September 18, 2026.

---

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