# Glass Authenticator 2FA vs 2FA4G

The clearest difference is iOS requirement: 2FA4G at 13.0 against Glass Authenticator 2FA's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Glass Authenticator 2FA sells 1 one-off in-app purchase and 2FA4G sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Glass Authenticator 2FA | 2FA4G |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Paid | — |
| Size | 14 MB | 46 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丽 谭](https://appshunter.io/developer/1869558867) | [Wuhan Newrathon Technology Co., Ltd.](https://appshunter.io/developer/1652811876) |

## What reviewers say

### 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 |


### 2FA4G

[App page](https://appshunter.io/ios/app/2fa4g2fa-authenticator/id6762132896)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $7.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Glass Authenticator 2FA free?

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

### Is 2FA4G free?

2FA4G is free to download, with in-app purchases available.

### Do Glass Authenticator 2FA or 2FA4G have ads?

Neither Glass Authenticator 2FA nor 2FA4G shows ads.

### Which is updated more often, Glass Authenticator 2FA or 2FA4G?

Glass Authenticator 2FA ships an update every 4 days, and 2FA4G every 4 days. Most recently, Glass Authenticator 2FA was updated on September 25, 2026 and 2FA4G on September 19, 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.*