# 2 Factor Authentication App vs TOTP Authenticator

2 Factor Authentication App and TOTP Authenticator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 2 Factor Authentication App sells 1 in-app purchase, starting at $6.99 per 7 days and TOTP Authenticator sells 3 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 2 Factor Authentication App | TOTP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 19 MB | 73 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tamar Nadarai](https://appshunter.io/developer/1871174680) | [COGNIFLY LTD](https://appshunter.io/developer/1808620132) |

## What reviewers say

### 2 Factor Authentication App

[App page](https://appshunter.io/ios/app/2-factor-authentication-app/id6759680987)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly king of Authentication App | $6.99 | per 7 days |


### TOTP Authenticator

[App page](https://appshunter.io/ios/app/totp-authenticator-2fa/id6804706587)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.49 | per month |
| Annual Premium | $11.99 | per year |
| Lifetime Premium | $24.99 | one-time |


## Frequently asked questions

### Is 2 Factor Authentication App free?

2 Factor Authentication App is free to download, with in-app purchases available.

### Is TOTP Authenticator free?

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

### Do 2 Factor Authentication App or TOTP Authenticator have ads?

Neither 2 Factor Authentication App nor TOTP 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.*