# Authenticator App vs PDF Document Scanner Converter

The clearest difference is monetization model: Authenticator App at free against PDF Document Scanner Converter's free with in-app purchases. Authenticator App also leads on ratings volume (144 vs 15) and device support (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Authenticator App sells 4 in-app purchases, starting at $2.99 per 7 days and PDF Document Scanner Converter sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Authenticator App against 4.5 for PDF Document Scanner Converter. That said, the two scores are not equally well evidenced: Authenticator App has 144 ratings behind it against 15, so its average is the more settled of the two.

Authenticator App ships an update fortnightly, PDF Document Scanner Converter every 2 weeks. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Authenticator App | PDF Document Scanner Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (144 ratings)](https://appshunter.io/ios/app/authenticator-app-2fas-auth/id6739326877/reviews)** | [4.5 (15 ratings)](https://appshunter.io/ios/app/pdf-document-scanner-converter/id6752381433/reviews) |
| Number of ratings | **144** | 15 |
| Positive reviews | 95.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vipul Prajapati](https://appshunter.io/developer/1737800971) | [SYNAPPS AI LTD](https://appshunter.io/developer/1839176304) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fas-auth/id6739326877)

This app provides secure two-factor authentication (2FA) for all your online accounts. It generates time-based one-time passwords (TOTP) quickly and offers features like biometric security and cross-device sync. It's a reliable alternative for protecting your digital life.

**Highlights:** Two-Factor Authentication (2FA), Fast code generation, Cross-device backup and sync, Biometric security (Face ID/Touch ID), QR code scanning, Offline functionality

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium Shield | $2.99 | per 7 days |
| Authenticator 2FA MFA (1 Week) | $4.99 | per 7 days |
| Two Factor Authentication, 2FA | $8.99 | per month |
| Authentication Premium (1Year) | $29.99 | per year |

**What reviewers like**

- 🚀 Smooth Backup with iCloud
- 🔒 Privacy-focused and well-built
- 🔒 Biometric lock adds peace of mind
- 🔒 Secured Auth Ever!
- 🔒 Fast & Secured 2FA

**What reviewers complain about**

- None

**Reported bugs**

- None

**Requested features**

- None


### PDF Document Scanner Converter

[App page](https://appshunter.io/ios/app/pdf-document-scanner-converter/id6752381433)

This app allows you to scan documents, convert various file types and images to PDF, and digitally sign your documents. It provides a comprehensive solution for managing PDFs, from creation to signing, all within a single application.

**Highlights:** Document scanning to PDF, Convert images and files to PDF, Convert URLs to PDF, Digital PDF signing, Convert PDF to Word or JPEG, Image to PDF conversion

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Convert PDF & Sign Pro 1 Week | $5.99 | per 7 days |
| Convert PDF & Sign Pro 1 Year | $39.99 | per year |


## Frequently asked questions

### Is Authenticator App free?

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

### Is PDF Document Scanner Converter free?

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

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

Authenticator App is rated higher. Authenticator App averages 4.6 out of 5 from 144 ratings, while PDF Document Scanner Converter averages 4.5 from 15 ratings.

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

Neither Authenticator App nor PDF Document Scanner Converter shows ads.

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

Authenticator App ships an update fortnightly, and PDF Document Scanner Converter every 2 weeks. Most recently, Authenticator App was updated on October 10, 2026 and PDF Document Scanner Converter on September 29, 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.*