# Authenticator 2FA vs AtOnline Auth

The clearest difference is in-app purchases: AtOnline Auth at none against Authenticator 2FA's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator 2FA sells 2 in-app purchases, starting at $7.99 per month. AtOnline Auth asks for nothing beyond the download.

## The numbers

| Metric | Authenticator 2FA | AtOnline Auth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-2fa-otpmfatotp/id6503905826/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 19 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joviclabs Innovations Ltd](https://appshunter.io/developer/1736830551) | [Karpelès Lab Inc.](https://appshunter.io/developer/1496744532) |

## What reviewers say

### Authenticator 2FA

[App page](https://appshunter.io/ios/app/authenticator-2fa-otpmfatotp/id6503905826)

This app combines a secure password manager with a TOTP authenticator, allowing you to store sensitive data and generate verification codes in one place. It offers zero-knowledge encryption, biometric unlock, and security health monitoring to protect your digital identity.

**Highlights:** Password manager and secure vault, Built-in TOTP/OTP authenticator, Zero-knowledge security architecture, Security health and breach monitoring, Autofill for fast sign-in, Offline access to vault

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Pro Premium Plus | $7.99 | per month |
| Authenticator Pro Premium Plus | $24.99 | per year |


### AtOnline Auth

[App page](https://appshunter.io/ios/app/atonline-auth/id6747974636)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator 2FA free?

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

### Is AtOnline Auth free?

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

### Do Authenticator 2FA or AtOnline Auth have ads?

Neither Authenticator 2FA nor AtOnline Auth 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.*