# FreeOTP Authenticator vs Pdf24

The clearest difference is rating: FreeOTP Authenticator at 3.2 against Pdf24's 2.3. FreeOTP Authenticator also leads on review sentiment (37% vs 0%) and in-app purchases (none vs 2). Pdf24's advantage is update cadence (monthly vs every 6 months). On price there is nothing between them.

Both are free to download. Pdf24 sells 2 in-app purchases, starting at $9.99 per 7 days. FreeOTP Authenticator asks for nothing beyond the download.

FreeOTP Authenticator holds the better App Store score, 3.2 against 2.3. That said, the two scores are not equally well evidenced: FreeOTP Authenticator has 173 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 37% of FreeOTP Authenticator's written reviews are positive against 0% of Pdf24's.

FreeOTP Authenticator ships an update every 6 months, Pdf24 monthly. The most recent releases landed on September 27, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | FreeOTP Authenticator | Pdf24 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (173 ratings)](https://appshunter.io/ios/app/freeotp-authenticator/id872559395/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/pdf24/id6780348502/reviews) |
| Number of ratings | **173** | 3 |
| Positive reviews | **37.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 23 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Red Hat](https://appshunter.io/developer/533936015) | [Priyankaben Rupavatiya](https://appshunter.io/developer/1893593703) |

## What reviewers say

### FreeOTP Authenticator

[App page](https://appshunter.io/ios/app/freeotp-authenticator/id872559395)

Generate one-time passwords for enhanced online account security. This app creates temporary codes that, when used with your regular password, significantly strengthen your login protection. It functions even without an internet connection.

**Highlights:** Generates one-time passwords, Works offline (airplane mode), Supports Google, Facebook, GitHub, etc., Compatible with TOTP/HOTP protocols, Open source software

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and lightweight
- 🔒 Open source and privacy-focused
- 👍 Clean and intuitive interface
- 💡 Customizable icons for accounts

**What reviewers complain about**

- 🐛 Crashes and bugs after recent updates
- 🔒 Lack of backup/restore functionality
- 💡 Limited customization options
- 👎 Unable to edit or delete accounts

**Reported bugs**

- Camera not working for QR code scanning
- App crashing on launch or when unlocking accounts
- UI issues on larger iOS devices

**Requested features**

- Add ability to manually enter account details
- Implement iCloud/cloud backup sync
- Allow renaming and deleting of accounts
- Provide Apple Watch support


### Pdf24

[App page](https://appshunter.io/ios/app/pdf24/id6780348502)

Transform your device into a high-quality document scanner. Easily capture, organize, and share PDFs of receipts, invoices, and important papers. Features smart cropping and enhancement for better readability.

**Highlights:** Scan documents with camera, Create high-quality PDFs, Auto edge detection and cropping, Enhance scan readability, Organize and share documents, Secure document management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is FreeOTP Authenticator free?

FreeOTP Authenticator is free to download, with no in-app purchases.

### Is Pdf24 free?

Pdf24 is free to download, with in-app purchases available.

### Which has better reviews, FreeOTP Authenticator or Pdf24?

FreeOTP Authenticator is rated higher. FreeOTP Authenticator averages 3.2 out of 5 from 173 ratings, while Pdf24 averages 2.3 from 3 ratings.

### Do FreeOTP Authenticator or Pdf24 have ads?

Pdf24 shows ads; FreeOTP Authenticator does not.

### Which is updated more often, FreeOTP Authenticator or Pdf24?

FreeOTP Authenticator ships an update every 6 months, and Pdf24 monthly. Most recently, FreeOTP Authenticator was updated on September 27, 2026 and Pdf24 on September 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.*