# OTP Authenticator vs Authenticator App

The clearest difference is in-app purchases: OTP Authenticator at none against Authenticator App's 1. OTP Authenticator also leads on update cadence (every 6 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 1 in-app purchase, starting at $3.99 per 7 days. OTP Authenticator asks for nothing beyond the download.

OTP Authenticator ships an update every 6 days, Authenticator App every 6 weeks. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | OTP Authenticator | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | Free | — |
| Size | 6 MB | 17 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [凯 程](https://appshunter.io/developer/1232505614) | [Denis Kondratovich](https://appshunter.io/developer/1380754085) |

## What reviewers say

### OTP Authenticator

[App page](https://appshunter.io/ios/app/otp-authenticator-totp/id1551264305)

This app provides a secure and visually appealing way to manage your TOTP (Time-based One-Time Password) codes. It offers a clean interface, customizable icons, and convenient desktop widgets, all while prioritizing offline security and minimal storage usage.

**Highlights:** Visually appealing design, Secure offline operation, Customizable icons, Desktop widgets, Minimal storage footprint, SwiftUI implementation

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

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6744153953)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $3.99 | per 7 days |


## Frequently asked questions

### Is OTP Authenticator free?

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

### Is Authenticator App free?

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

### Do OTP Authenticator or Authenticator App have ads?

Neither OTP Authenticator nor Authenticator App shows ads.

### Which is updated more often, OTP Authenticator or Authenticator App?

OTP Authenticator ships an update every 6 days, and Authenticator App every 6 weeks. Most recently, OTP Authenticator was updated on October 9, 2026 and Authenticator App on October 13, 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.*