# AT.AuthFi Authenticator vs HotKey OTP

The clearest difference is in-app purchases: AT.AuthFi Authenticator at none against HotKey OTP's 2. AT.AuthFi Authenticator also leads on iOS requirement (14.0 vs 17.0). HotKey OTP's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. HotKey OTP sells 2 in-app purchases, starting at $4.99 per month. AT.AuthFi Authenticator asks for nothing beyond the download.

## The numbers

| Metric | AT.AuthFi Authenticator | HotKey OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hotkey-otp-2fa-authenticator/id6785986976/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 14 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [AuthenTrend Technology Inc.](https://appshunter.io/developer/949786364) | [Hayk Bareghamyan](https://appshunter.io/developer/6785986978) |

## What reviewers say

### AT.AuthFi Authenticator

[App page](https://appshunter.io/ios/app/atauthfi-authenticator/id1613903768)

**In-app purchases:** none


### HotKey OTP

[App page](https://appshunter.io/ios/app/hotkey-otp-2fa-authenticator/id6785986976)

This app securely generates and stores two-factor authentication codes for your accounts. It supports various import methods, offers offline functionality, and syncs across Apple devices via iCloud Keychain. Privacy is a core focus, with no tracking or ads.

**Highlights:** Generate TOTP and HOTP codes, Import from other authenticator apps, Steam Guard support, Organize accounts with folders and notes, Instant code copy with auto-clear, Widgets and AutoFill support, iCloud Keychain sync

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Lifetime Unlock | $14.99 | one-time |


## Frequently asked questions

### Is AT.AuthFi Authenticator free?

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

### Is HotKey OTP free?

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

### Do AT.AuthFi Authenticator or HotKey OTP have ads?

Neither AT.AuthFi Authenticator nor HotKey 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.*