# Authenticator App・2FA | OTP vs AuthLock

The clearest difference is device support: AuthLock at 3 against Authenticator App・2FA | OTP's 1. AuthLock also leads on iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator App・2FA | OTP sells 4 in-app purchases, starting at $5.99 per 7 days and AuthLock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Authenticator App・2FA | OTP | AuthLock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 20 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Radu Chirita](https://appshunter.io/developer/1857569467) | [Shon Hen](https://appshunter.io/developer/1886732760) |

## What reviewers say

### Authenticator App・2FA | OTP

[App page](https://appshunter.io/ios/app/authenticator-app2fa-otp/id6755954747)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator App・2FA \| OTP | $5.99 | per 7 days |
| Authenticator App・2FA \| OTP | $5.99 | per 7 days |
| Authenticator App・2FA \| OTP | $6.99 | per 7 days |
| Authenticator App・2FA \| OTP | $6.99 | per 7 days |


### AuthLock

[App page](https://appshunter.io/ios/app/authlock/id6760907702)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AuthLock Premium | $3.99 | one-time |


## Frequently asked questions

### Is Authenticator App・2FA | OTP free?

Authenticator App・2FA | OTP is free to download, with in-app purchases available.

### Is AuthLock free?

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

### Do Authenticator App・2FA | OTP or AuthLock have ads?

Neither Authenticator App・2FA | OTP nor AuthLock 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.*