# SAH Authenticator vs Blackout

The clearest difference is in-app purchases: SAH Authenticator at none against Blackout's 1. SAH Authenticator also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Blackout sells 1 one-off in-app purchase. SAH Authenticator asks for nothing beyond the download.

## The numbers

| Metric | SAH Authenticator | Blackout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 47 MB | 23 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Student Agency, k. s.](https://appshunter.io/developer/706033018) | [VOJTECH LANDA](https://appshunter.io/developer/1893121488) |

## What reviewers say

### SAH Authenticator

[App page](https://appshunter.io/ios/app/sah-authenticator/id6446774518)

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

**In-app purchases:** none


### Blackout

[App page](https://appshunter.io/ios/app/blackout-emergency-plan/id6772589160)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blackout Household | $9.99 | one-time |


## Frequently asked questions

### Is SAH Authenticator free?

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

### Is Blackout free?

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

### Do SAH Authenticator or Blackout have ads?

Neither SAH Authenticator nor Blackout 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.*