# Secure Authenticator OTP, MFA vs Authenticator App・2FA | OTP

Secure Authenticator OTP, MFA and Authenticator App・2FA | OTP are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Secure Authenticator OTP, MFA sells 3 in-app purchases, starting at $6.99 per 7 days and Authenticator App・2FA | OTP sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Secure Authenticator OTP, MFA | Authenticator App・2FA | OTP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 14 MB | 20 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Devran Oral](https://appshunter.io/developer/1790147471) | [Radu Chirita](https://appshunter.io/developer/1857569467) |

## What reviewers say

### Secure Authenticator OTP, MFA

[App page](https://appshunter.io/ios/app/secure-authenticator-otp-mfa/id6740475388)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access | $6.99 | per 7 days |
| Monthly Pro Access | $19.99 | per month |
| Annual Pro Access | $49.99 | per year |


### 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 |


## Frequently asked questions

### Is Secure Authenticator OTP, MFA free?

Secure Authenticator OTP, MFA is free to download, with in-app purchases available.

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

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

### Do Secure Authenticator OTP, MFA or Authenticator App・2FA | OTP have ads?

Neither Secure Authenticator OTP, MFA nor Authenticator App・2FA | OTP 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.*