# AUTHADA vs Rex Voice

The clearest difference is in-app purchases: AUTHADA at none against Rex Voice's 3. Rex Voice's advantage is update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rex Voice sells 3 one-off in-app purchases. AUTHADA asks for nothing beyond the download.

AUTHADA ships an update every 2 months, Rex Voice every 10 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AUTHADA | Rex Voice |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 15 MB | 53 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Authada GmbH](https://appshunter.io/developer/1314423801) | [Natalia Swierczyna](https://appshunter.io/developer/1735961535) |

## What reviewers say

### AUTHADA

[App page](https://appshunter.io/ios/app/authada/id1479685801)

Securely identify yourself online using your German identity card or residence permit. The app guides you through the process of reading your ID and entering necessary codes for verification.

**Highlights:** Online identification with German ID card, Uses NFC for data reading, PIN and TAN entry for verification, PIN change and unlock functionality, Privacy-focused with BSI certification, Accessible design

**In-app purchases:** none


### Rex Voice

[App page](https://appshunter.io/ios/app/rex-voice/id6504091114)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 min | $0.99 | one-time |
| 30 min | $2.99 | one-time |
| 1 hour | $4.99 | one-time |


## Frequently asked questions

### Is AUTHADA free?

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

### Is Rex Voice free?

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

### Do AUTHADA or Rex Voice have ads?

Neither AUTHADA nor Rex Voice shows ads.

### Which is updated more often, AUTHADA or Rex Voice?

AUTHADA ships an update every 2 months, and Rex Voice every 10 days. Most recently, AUTHADA was updated on October 8, 2026 and Rex Voice on October 10, 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.*