# Auth Authenticator vs Rash Identifier

The clearest difference is rating: Auth Authenticator at 4.9 against Rash Identifier's 4.3. Rash Identifier's advantage is update cadence (every 2 days vs every 5 weeks) and iOS requirement (15.6 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Auth Authenticator sells 2 in-app purchases, starting at $6.99 per 7 days and Rash Identifier sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Auth Authenticator holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 28 and 26 respectively.

Auth Authenticator ships an update every 5 weeks, Rash Identifier every 2 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Auth Authenticator | Rash Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (28 ratings)](https://appshunter.io/ios/app/auth-authenticator-2fa-and-mfa/id6742376474/reviews)** | [4.3 (26 ratings)](https://appshunter.io/ios/app/rash-identifier-detector-skin/id6743656813/reviews) |
| Number of ratings | **28** | 26 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 105 MB | 15 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enveloc, Inc](https://appshunter.io/developer/6785535852) | [Bautista Teresita](https://appshunter.io/developer/1801573970) |

## What reviewers say

### Auth Authenticator

[App page](https://appshunter.io/ios/app/auth-authenticator-2fa-and-mfa/id6742376474)

Secure your accounts with advanced two-factor authentication and biometric protection. This app provides instant access to OTP codes, syncs across devices, and allows for easy QR code generation. It offers robust security features with a sleek, intuitive interface.

**Highlights:** End-to-end encryption, Biometric lock (Face ID), Instant OTP code access, Cross-device sync (iPhone, iCloud, Watch), Home screen widgets, QR code generation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |


### Rash Identifier

[App page](https://appshunter.io/ios/app/rash-identifier-detector-skin/id6743656813)

Instantly identify skin rashes and conditions using AI. Get detailed reports on potential issues, track your skin health over time, and access a simple, secure interface. This tool provides quick insights for various skin concerns.

**Highlights:** Instant rash identification via photo analysis, Detailed skin condition reports, Scan history tracking, Simple and secure interface, AI-powered insights

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rash Weekly Pro | $4.99 | per 7 days |
| Rash Weekly Trial | $4.99 | per 7 days |


## Frequently asked questions

### Is Auth Authenticator free?

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

### Is Rash Identifier free?

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

### Which has better reviews, Auth Authenticator or Rash Identifier?

Auth Authenticator is rated higher. Auth Authenticator averages 4.9 out of 5 from 28 ratings, while Rash Identifier averages 4.3 from 26 ratings.

### Do Auth Authenticator or Rash Identifier have ads?

Neither Auth Authenticator nor Rash Identifier shows ads.

### Which is updated more often, Auth Authenticator or Rash Identifier?

Auth Authenticator ships an update every 5 weeks, and Rash Identifier every 2 days. Most recently, Auth Authenticator was updated on October 24, 2026 and Rash Identifier on October 28, 2026.

---

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