# 2 Factor Authentication App vs Glass Authenticator 2FA

The clearest difference is device support: Glass Authenticator 2FA at 3 against 2 Factor Authentication App's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 2 Factor Authentication App sells 1 in-app purchase, starting at $6.99 per 7 days and Glass Authenticator 2FA sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 2 Factor Authentication App | Glass Authenticator 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Paid |
| Size | 19 MB | 14 MB |
| Requires iOS | **17.2** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tamar Nadarai](https://appshunter.io/developer/1871174680) | [丽 谭](https://appshunter.io/developer/1869558867) |

## What reviewers say

### 2 Factor Authentication App

[App page](https://appshunter.io/ios/app/2-factor-authentication-app/id6759680987)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly king of Authentication App | $6.99 | per 7 days |


### Glass Authenticator 2FA

[App page](https://appshunter.io/ios/app/glass-authenticator-2fa/id6760772127)

This app offers elegant two-factor authentication with a modern glassmorphic design. It supports industry-standard TOTP/HOTP algorithms, iCloud sync, and biometric security for enhanced protection of your online accounts.

**Highlights:** Glassmorphic UI design, TOTP and HOTP algorithm support, iCloud sync across devices, Apple Watch app, Biometric vault (Face ID/Touch ID), Automatic brand icon recognition, Privacy-first local storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Glass Auth Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is 2 Factor Authentication App free?

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

### Is Glass Authenticator 2FA free?

Glass Authenticator 2FA is free to download, with in-app purchases available.

### Do 2 Factor Authentication App or Glass Authenticator 2FA have ads?

Neither 2 Factor Authentication App nor Glass Authenticator 2FA shows ads.

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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.*