# Glass Authenticator 2FA vs 壳图图

The clearest difference is update cadence: Glass Authenticator 2FA at every 4 days against 壳图图's every 3 weeks. 壳图图's advantage is monetization model (free with in-app purchases vs paid) and iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Glass Authenticator 2FA sells 1 one-off in-app purchase and 壳图图 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Glass Authenticator 2FA ships an update every 4 days, 壳图图 every 3 weeks. The most recent releases landed on September 25, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | Glass Authenticator 2FA | 壳图图 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/id6761163201/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 14 MB | 14 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丽 谭](https://appshunter.io/developer/1869558867) | [日伟 何](https://appshunter.io/developer/1633195120) |

## 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 |


### 壳图图

[App page](https://appshunter.io/ios/app/id6761163201)

Create stylish screenshots with a minimalist design. This utility app offers a new experience for capturing high-definition images, syncing in real-time with official Apple phone models.

**Highlights:** Minimalist design, One-click HD image saving, Real-time sync with Apple models, New screenshot experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $0.99 | one-time |


## Frequently asked questions

### Is Glass Authenticator 2FA free?

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

### Is 壳图图 free?

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

### Do Glass Authenticator 2FA or 壳图图 have ads?

Neither Glass Authenticator 2FA nor 壳图图 shows ads.

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

Glass Authenticator 2FA ships an update every 4 days, and 壳图图 every 3 weeks. Most recently, Glass Authenticator 2FA was updated on September 25, 2026 and 壳图图 on August 15, 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.*