# REDDOXX Authenticator vs Signatus

The clearest difference is update cadence: Signatus at every 3 months against REDDOXX Authenticator's every 8 months. REDDOXX Authenticator's advantage is iOS requirement (8.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

REDDOXX Authenticator ships an update every 8 months, Signatus every 3 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | REDDOXX Authenticator | Signatus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 57 MB | 90 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [REDDOXX GmbH](https://appshunter.io/developer/605267785) | [ANASOFT](https://appshunter.io/developer/1232545260) |

## What reviewers say

### REDDOXX Authenticator

[App page](https://appshunter.io/ios/app/reddoxx-authenticator/id1142138518)

**Features:** macOS Compatibility

**In-app purchases:** none


### Signatus

[App page](https://appshunter.io/ios/app/signatus/id1296160870)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is REDDOXX Authenticator free?

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

### Is Signatus free?

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

### Do REDDOXX Authenticator or Signatus have ads?

Neither REDDOXX Authenticator nor Signatus shows ads.

### Which is updated more often, REDDOXX Authenticator or Signatus?

REDDOXX Authenticator ships an update every 8 months, and Signatus every 3 months. Most recently, REDDOXX Authenticator was updated on October 6, 2026 and Signatus on October 5, 2026.

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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.*