# 养龙虾 vs 2FA Authenticator

The clearest difference is ads: 养龙虾 at none against 2FA Authenticator's shown. 养龙虾 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price and in-app purchases there is nothing between them.

Both are free to download. 养龙虾 sells 3 in-app purchases, starting at $3.99 per 7 days and 2FA Authenticator sells 2 in-app purchases, starting at $11.49 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 养龙虾 | 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (25 ratings)](https://appshunter.io/ios/app/2fa-authenticator-mfa-rsa/id6751270667/reviews)** |
| Number of ratings | — | **25** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | — |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 32 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [治良 何](https://appshunter.io/developer/1790338582) | [SERAPHINA VINER](https://appshunter.io/developer/1834365635) |

## What reviewers say

### 养龙虾

[App page](https://appshunter.io/ios/app/ai-and/id6742870039)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI周订阅VIP | $3.99 | per 7 days |
| AI周订阅会员 | $4.99 | per 7 days |
| AI年订阅会员 | $12.99 | per year |


### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-mfa-rsa/id6751270667)

Enhance your digital security with a robust two-factor authentication solution. Protect sensitive data from unauthorized access with end-to-end encryption and unlimited account management. Sync securely with iCloud for easy access and peace of mind.

**Highlights:** Two-factor authentication, End-to-end encryption, Unlimited account management, iCloud sync, QR code scanning, Instant access to top accounts

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2FA Authenticator: MFA RSA | $11.49 | per 7 days |
| 2FA Authenticator: MFA RSA | $12.99 | per 7 days |


## Frequently asked questions

### Is 养龙虾 free?

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

### Is 2FA Authenticator free?

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

### Do 养龙虾 or 2FA Authenticator have ads?

2FA Authenticator shows ads; 养龙虾 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.*