# Authenticator vs Serin

The clearest difference is monetization model: Serin at free with in-app purchases against Authenticator's subscription. Authenticator's advantage is ads (none vs shown). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Authenticator sells 2 in-app purchases, starting at $9.99 per 7 days and Serin sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Authenticator against 5.0 for Serin. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

## The numbers

| Metric | Authenticator | Serin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/authenticator-2fa-app/id6760155508/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/serin-privacy-radar/id6760325664/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 112 MB | 12 MB |
| Requires iOS | 18.5 | **18.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BU Guard GmbH](https://appshunter.io/developer/1858539616) | [Summit Veil LLC](https://appshunter.io/developer/1826911583) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-app/id6760155508)

Consolidate your digital security with this comprehensive platform. It offers two-factor authentication codes, password management, an encrypted vault for sensitive files, and a private browser with autofill capabilities, all protected by end-to-end encryption and Face ID.

**Highlights:** 2FA Authentication (TOTP/HOTP), Password Manager, Secure Vault for files, Private Browser, Auto Fill for codes and passwords, Cloud Sync for backups, Widgets for quick access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $9.99 | per 7 days |
| Premium Access Year | $44.99 | per year |


### Serin

[App page](https://appshunter.io/ios/app/serin-privacy-radar/id6760325664)

This app acts as a personal privacy scanner, detecting nearby smart glasses, hidden cameras, and Bluetooth trackers. It offers guided sweeps for rooms and travel, and a digital mirror to see your own device broadcasts. Privacy is prioritized with no account required and data syncing only via iCloud.

**Highlights:** Detects smart glasses and wearables, Flags Bluetooth trackers, Scans networked cameras, Infrared reflection scanning for hidden lenses, Guided room and travel sweeps, Digital mirror for device broadcasts, Privacy-focused with no account needed

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Serin Pro | $5.99 | one-time |


## Frequently asked questions

### Is Authenticator free?

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

### Is Serin free?

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

### Which has better reviews, Authenticator or Serin?

Authenticator and Serin are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Authenticator or Serin have ads?

Serin shows ads; Authenticator does not.

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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.*