# TOTP Authenticator vs Authenticator

The clearest difference is in-app purchases: TOTP Authenticator at none against Authenticator's 3. Authenticator's advantage is iOS requirement (17 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator sells 3 in-app purchases, starting at $7.99 per 7 days. TOTP Authenticator asks for nothing beyond the download.

## The numbers

| Metric | TOTP Authenticator | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 3 MB | 13 MB |
| Requires iOS | 26.2 | **17** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keita Iwasaki](https://appshunter.io/developer/1660454950) | [General Trading OU](https://appshunter.io/developer/1891750689) |

## What reviewers say

### TOTP Authenticator

[App page](https://appshunter.io/ios/app/totp-authenticator-2fa-otp/id6760251412)

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

**In-app purchases:** none


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-mfa/id6761847431)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $7.99 | per 7 days |
| Premium Week | $8.99 | per 7 days |
| Premium Year | $29.99 | per year |


## Frequently asked questions

### Is TOTP Authenticator free?

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

### Is Authenticator free?

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

### Do TOTP Authenticator or Authenticator have ads?

Neither TOTP Authenticator nor Authenticator 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.*