# Secure Authenticator OTP, MFA vs AuthLock

The clearest difference is update cadence: AuthLock at daily against Secure Authenticator OTP, MFA's every 4 days. AuthLock also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Secure Authenticator OTP, MFA sells 3 in-app purchases, starting at $6.99 per 7 days and AuthLock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Secure Authenticator OTP, MFA ships an update every 4 days, AuthLock daily. The most recent releases landed on September 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Secure Authenticator OTP, MFA | AuthLock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Size | 14 MB | 35 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Devran Oral](https://appshunter.io/developer/1790147471) | [Shon Hen](https://appshunter.io/developer/1886732760) |

## 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 |


### 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 Secure Authenticator OTP, MFA free?

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

### Is AuthLock free?

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

### Do Secure Authenticator OTP, MFA or AuthLock have ads?

Neither Secure Authenticator OTP, MFA nor AuthLock shows ads.

### Which is updated more often, Secure Authenticator OTP, MFA or AuthLock?

Secure Authenticator OTP, MFA ships an update every 4 days, and AuthLock daily. Most recently, Secure Authenticator OTP, MFA was updated on September 13, 2026 and AuthLock on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*