# SignBy vs Authenticator App

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

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

## The numbers

| Metric | SignBy | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Size | 87 MB | 32 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shahid Nasirov](https://appshunter.io/developer/1778487437) | [PDF Scanner Editor PDF Converter Expert](https://appshunter.io/developer/1719746897) |

## What reviewers say

### SignBy

[App page](https://appshunter.io/ios/app/signby-docs-signer-and-ocr/id6740041796)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Yearly Premium | $99.99 | per year |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-secure/id6742774851)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Week Plan | $6.99 | per 7 days |
| Authenticator Month Plan | $8.99 | per month |
| Authenticator Year Plan | $39.99 | per year |


## Frequently asked questions

### Is SignBy free?

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

### Is Authenticator App free?

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

### Do SignBy or Authenticator App have ads?

SignBy shows ads; Authenticator App does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*