# Image Scan vs Authentication App

The clearest difference is update cadence: Image Scan at every 6 days against Authentication App's every 2 months. Image Scan also leads on review sentiment (100% vs 74%) and iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Image Scan sells 4 in-app purchases, starting at $4.99 per 7 days and Authentication App sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Image Scan ships an update every 6 days, Authentication App every 2 months. The most recent releases landed on August 17, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Image Scan | Authentication App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (592 ratings)](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953/reviews)** |
| Number of ratings | — | **592** |
| Positive reviews | **100.0% of reviews** | 74.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 8 MB | 66 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [天金 吴](https://appshunter.io/developer/1632698297) | [Soufiane Benabid](https://appshunter.io/developer/938808835) |

## What reviewers say

### Image Scan

[App page](https://appshunter.io/ios/app/image-scan-scanner-pdf-ocr/id1637240995)

This tool uses OCR technology to extract text from various documents like books, business cards, and tables. It offers high-speed scanning, batch processing, and the ability to generate PDF or TXT files with watermarks.

**Highlights:** OCR text recognition, Extract text from books, bills, and scans, High-resolution scanning in seconds, Batch scanning and processing, ID card scanning, Generate PDF and TXT files, Add watermarks

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Week | $4.99 | per 7 days |
| Subscription Month | $6.99 | per month |
| 1 Year | $25.99 | per year |
| Permanent Member Vip | $48.99 | one-time |


### Authentication App

[App page](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953)

Enhance your online account security with this two-factor authentication utility. Easily add accounts by scanning QR codes or entering details manually. Securely back up and sync your data with iCloud Keychain for device loss or upgrades.

**Highlights:** Two-factor authentication (2FA), QR code scanning for account setup, Manual account detail entry, Secure backup and sync with iCloud Keychain, Password and Face ID lock, Multi-device sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authentificator - Monthly | $9.99 | per month |
| Authentificator - Yearly | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use and user-friendly interface
- 🔒 Reliable authentication functionality
- ⭐ Excellent overall performance
- 😊 Smooth and stress-free experience
- 💯 Best-in-class authenticator app

**What reviewers complain about**

- 🐛 App doesn't work reliably
- 💰 High pricing relative to competitors
- 😕 Confusing for some users
- ⚠️ Account loss issues reported

**Reported bugs**

- App fails to function properly for some users
- Account data loss or inaccessibility
- Inconsistent performance across devices

**Requested features**

- Better account recovery options
- Improved user onboarding/documentation


## Frequently asked questions

### Is Image Scan free?

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

### Is Authentication App free?

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

### Do Image Scan or Authentication App have ads?

Neither Image Scan nor Authentication App shows ads.

### Which is updated more often, Image Scan or Authentication App?

Image Scan ships an update every 6 days, and Authentication App every 2 months. Most recently, Image Scan was updated on August 17, 2026 and Authentication App on September 28, 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.*