# Authenticator App vs Lynix SIM

The clearest difference is in-app purchases: Lynix SIM at none against Authenticator App's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Authenticator App sells 4 in-app purchases, starting at $4.99 per 7 days. Lynix SIM asks for nothing beyond the download.

Authenticator App ships an update monthly, Lynix SIM every 2 months. The most recent releases landed on August 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Authenticator App | Lynix SIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (24 ratings)](https://appshunter.io/ios/app/authenticator-app-duo-secure/id6470662300/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 101 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Apperture Limited](https://appshunter.io/developer/1727867515) | [Lynix Group Ltd](https://appshunter.io/developer/1896602546) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-duo-secure/id6470662300)

Enhance digital security with a multi-factor authenticator app. It provides an extra layer of protection for sensitive accounts and information, working offline for reliable access. Protect email, social media, financial accounts, and more with this user-friendly solution.

**Highlights:** Multi-factor authentication, Offline 2FA code generation, Wide service integration, User-friendly interface, Enhanced account protection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $4.99 | per 7 days |
| Pro Version | $7.99 | per 7 days |
| Pro Version | $14.99 | per month |
| Pro Version | $39.99 | per year |


### Lynix SIM

[App page](https://appshunter.io/ios/app/lynix-sim/id6768780075)

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is Lynix SIM free?

Lynix SIM is free to download, with no in-app purchases.

### Do Authenticator App or Lynix SIM have ads?

Neither Authenticator App nor Lynix SIM shows ads.

### Which is updated more often, Authenticator App or Lynix SIM?

Authenticator App ships an update monthly, and Lynix SIM every 2 months. Most recently, Authenticator App was updated on August 18, 2026 and Lynix SIM on September 13, 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.*