# Kainy vs Glass Authenticator 2FA

The clearest difference is update cadence: Glass Authenticator 2FA at every 4 days against Kainy's every 3 weeks. Glass Authenticator 2FA also leads on monetization model (paid vs subscription). Kainy's advantage is iOS requirement (11.0 vs 18.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Kainy sells 1 in-app purchase, starting at $1.99 per year and Glass Authenticator 2FA sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

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

## The numbers

| Metric | Kainy | Glass Authenticator 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/kainy/id1574032305/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Subscription | **Paid** |
| Size | 41 MB | 14 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Qucai Laicai (Shenzhen) Network Co., Ltd.](https://appshunter.io/developer/1816735640) | [丽 谭](https://appshunter.io/developer/1869558867) |

## What reviewers say

### Kainy

[App page](https://appshunter.io/ios/app/kainy/id1574032305)

This app offers a minimalist web browsing experience, eliminating traditional address and search bars. It provides unique ways to open URLs, including QR code scanning, clipboard reading, and app schemes.

**Highlights:** Address and search bar-free interface, QR code URL scanning, Clipboard URL reading, App scheme URL opening, Minimalist design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包年会员 | $1.99 | per year |


### 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 Kainy free?

Kainy 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 Kainy or Glass Authenticator 2FA have ads?

Neither Kainy nor Glass Authenticator 2FA shows ads.

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

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