# DATEV SmartLogin vs AUTHADA

The clearest difference is update cadence: DATEV SmartLogin at every 3 weeks against AUTHADA's every 2 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

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

DATEV SmartLogin ships an update every 3 weeks, AUTHADA every 2 months. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DATEV SmartLogin | AUTHADA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (265 ratings)](https://appshunter.io/ios/app/datev-smartlogin/id943870921/reviews)** | — |
| Number of ratings | **265** | — |
| Positive reviews | **80.0% of reviews** | 76.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 39 MB | 15 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DATEV eG](https://appshunter.io/developer/353479704) | [Authada GmbH](https://appshunter.io/developer/1314423801) |

## What reviewers say

### DATEV SmartLogin

[App page](https://appshunter.io/ios/app/datev-smartlogin/id943870921)

This app provides secure and intuitive access to your confidential data within the DATEV online world. Simply scan a QR code with the app to log in to DATEV online applications. A password protects the app from unauthorized use.

**Highlights:** Secure QR code scanning for login, Intuitive and simple interface, Password protection for app access, Authentication for DATEV online services, Phishing prevention measures

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DATEV SmartLogin free?

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

### Is AUTHADA free?

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

### Do DATEV SmartLogin or AUTHADA have ads?

Neither DATEV SmartLogin nor AUTHADA shows ads.

### Which is updated more often, DATEV SmartLogin or AUTHADA?

DATEV SmartLogin ships an update every 3 weeks, and AUTHADA every 2 months. Most recently, DATEV SmartLogin was updated on September 24, 2026 and AUTHADA on September 21, 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.*