# SOS Online Backup vs Authenticator

The clearest difference is in-app purchases: SOS Online Backup at none against Authenticator's 4. SOS Online Backup also leads on device support (3 vs 1) and iOS requirement (12.3 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Authenticator sells 4 in-app purchases, starting at $4.99 per 7 days. SOS Online Backup asks for nothing beyond the download.

## The numbers

| Metric | SOS Online Backup | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Free | — |
| Size | 10 MB | 9 MB |
| Requires iOS | **12.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Infrascale, Inc.](https://appshunter.io/developer/328057516) | [Secgin LLC](https://appshunter.io/developer/1536282489) |

## What reviewers say

### SOS Online Backup

[App page](https://appshunter.io/ios/app/sos-online-backup/id328057513)

Securely back up and restore data from your mobile devices, laptops, and remote offices to the cloud. Protect your information against accidental deletion, device loss, or cyberattacks. Access and manage your backed-up files from any device.

**Highlights:** Direct-to-cloud backup, Data recovery, Cross-device access, Protection against data loss, Mobile, laptop, and office support

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-passwords/id6788498330)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keyhaven Pro Weekly | $4.99 | per 7 days |
| Keyhaven Pro Monthly | $9.99 | per month |
| Keyhaven Pro Yearly | $19.99 | per year |
| Keyhaven Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is SOS Online Backup free?

SOS Online Backup is free to download, with no in-app purchases.

### Is Authenticator free?

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

### Do SOS Online Backup or Authenticator have ads?

Neither SOS Online Backup nor Authenticator shows ads.

---

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