# One vs Authenticator 2FA, MFA, OTP

The clearest difference is review sentiment: Authenticator 2FA, MFA, OTP at 100% against One's 13%. Authenticator 2FA, MFA, OTP also leads on update cadence (every 2 weeks vs every 5 months). One's advantage is in-app purchases (none vs 9) and iOS requirement (14.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator 2FA, MFA, OTP sells 9 in-app purchases, starting at $2.99 per 7 days. One asks for nothing beyond the download.

One ships an update every 5 months, Authenticator 2FA, MFA, OTP every 2 weeks. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | One | Authenticator 2FA, MFA, OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (128 ratings)](https://appshunter.io/ios/app/authenticator-2fa-mfa-otp/id6747663150/reviews)** |
| Number of ratings | — | **128** |
| Positive reviews | 12.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 118 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [NTT DATA GROUP CORPORATION](https://appshunter.io/developer/478236616) | [Maksym Holoborodko](https://appshunter.io/developer/1822231352) |

## What reviewers say

### One

[App page](https://appshunter.io/ios/app/one-time-password/id1028958661)

This utility generates a secure, eight-digit disposable password every minute. These one-time passwords are ideal for enhancing security across various online services, as they become invalid after a short period, even if compromised.

**Highlights:** Generates eight-digit passwords, Passwords valid for one minute, Enhances online service security, Disposable password functionality, Requires OTP application at service

**Features:** Vision Pro support

**In-app purchases:** none


### Authenticator 2FA, MFA, OTP

[App page](https://appshunter.io/ios/app/authenticator-2fa-mfa-otp/id6747663150)

Secure your online accounts with a fast and easy two-factor authentication app. It supports quick setup via QR code scanning, Face ID, and includes a built-in password manager for auto-filling credentials. Compatible with all major 2FA-enabled platforms.

**Highlights:** Quick setup with QR code scanning, Face ID support, Built-in password manager, AutoFill capabilities, Compatible with major 2FA platforms

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $2.99 | per 7 days |
| Unlock all features | $9.99 | per 7 days |
| Unlock all features | $9.99 | per 7 days |
| Unlock all features | $19.99 | per year |
| Unlock all features | $59.99 | per year |
| Unlock all features | $69.99 | per year |
| Unlock all features | $79.99 | per year |
| Unlock all features | $69.99 | one-time |
| Unlock all features | $99.99 | one-time |


## Frequently asked questions

### Is One free?

One is free to download, with no in-app purchases.

### Is Authenticator 2FA, MFA, OTP free?

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

### Do One or Authenticator 2FA, MFA, OTP have ads?

Neither One nor Authenticator 2FA, MFA, OTP shows ads.

### Which is updated more often, One or Authenticator 2FA, MFA, OTP?

One ships an update every 5 months, and Authenticator 2FA, MFA, OTP every 2 weeks. Most recently, One was updated on October 6, 2026 and Authenticator 2FA, MFA, OTP on October 12, 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.*