# OTP vs Authenticator + 2FA

The clearest difference is review sentiment: Authenticator + 2FA at 100% against OTP's 0%. Authenticator + 2FA also leads on rating (4.7 vs 3.6) and update cadence (every 6 days vs every 6 months). OTP's advantage is device support (4 vs 2) and iOS requirement (9.3 vs 14.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. OTP sells 1 one-off in-app purchase and Authenticator + 2FA sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Authenticator + 2FA holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 18 and 11 respectively. Written reviews point the same way: 0% of OTP's written reviews are positive against 100% of Authenticator + 2FA's.

OTP ships an update every 6 months, Authenticator + 2FA every 6 days. The most recent releases landed on July 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | OTP | Authenticator + 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (18 ratings)](https://appshunter.io/ios/app/otp-auth/id1436497541/reviews) | **[4.7 (11 ratings)](https://appshunter.io/ios/app/authenticator-plus-2fa/id6444275196/reviews)** |
| Number of ratings | **18** | 11 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 27 MB | 27 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [浩 王](https://appshunter.io/developer/1055265396) | [长金 陶](https://appshunter.io/developer/1657336976) |

## What reviewers say

### OTP

[App page](https://appshunter.io/ios/app/otp-auth/id1436497541)

This app generates secure one-time passwords for two-factor authentication on your device. It supports various protocols, allows easy account setup via QR codes or manual entry, and offers robust security features like biometric locks and encrypted backups.

**Highlights:** TOTP & HOTP code generation, QR code scanning for setup, Biometric app lock (Face ID/Touch ID), Encrypted data export/import, Account grouping and organization, Dark Mode support, iCloud sync and backup

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTPAuth Premium | $1.99 | one-time |


### Authenticator + 2FA

[App page](https://appshunter.io/ios/app/authenticator-plus-2fa/id6444275196)

This app provides two-factor authentication for your online accounts, generating security codes and offering encrypted backups to protect against data loss or device switching. It supports popular platforms and enhances account security with an additional layer of protection.

**Highlights:** Two-Factor Authentication, Generate security codes, Push message notifications, Secure encrypted backups, Supports popular accounts, One-click local backup

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Pro Month | $6.99 | per month |
| Authenticator Pro Lifetime | $15.99 | one-time |


## Frequently asked questions

### Is OTP free?

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

### Is Authenticator + 2FA free?

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

### Which has better reviews, OTP or Authenticator + 2FA?

Authenticator + 2FA is rated higher. OTP averages 3.6 out of 5 from 18 ratings, while Authenticator + 2FA averages 4.7 from 11 ratings.

### Do OTP or Authenticator + 2FA have ads?

Neither OTP nor Authenticator + 2FA shows ads.

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

OTP ships an update every 6 months, and Authenticator + 2FA every 6 days. Most recently, OTP was updated on July 28, 2026 and Authenticator + 2FA on September 14, 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.*