# DATEV SmartLogin vs sim24 Servicewelt

The clearest difference is rating: DATEV SmartLogin at 4.5 against sim24 Servicewelt's 1.3. DATEV SmartLogin also leads on review sentiment (80% vs 46%) and ratings volume (265 vs 4). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.5 against 1.3. That said, the two scores are not equally well evidenced: DATEV SmartLogin has 265 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 80% of DATEV SmartLogin's written reviews are positive against 46% of sim24 Servicewelt's.

DATEV SmartLogin ships an update every 3 weeks, sim24 Servicewelt every 2 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | DATEV SmartLogin | sim24 Servicewelt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (265 ratings)](https://appshunter.io/ios/app/datev-smartlogin/id943870921/reviews)** | [1.3 (4 ratings)](https://appshunter.io/ios/app/sim24-servicewelt/id6499200548/reviews) |
| Number of ratings | **265** | 4 |
| Positive reviews | **80.0% of reviews** | 45.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 39 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DATEV eG](https://appshunter.io/developer/353479704) | [Drillisch Online GmbH](https://appshunter.io/developer/1706071080) |

## 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


### sim24 Servicewelt

[App page](https://appshunter.io/ios/app/sim24-servicewelt/id6499200548)

Manage your mobile service plan with ease. Control data usage, book new options, view bills, and update your personal information all in one place. Access essential account details and customer support.

**Highlights:** Control data usage, Book new tariff options, View bills, Update personal data, Manage multiple numbers, Access PIN/PUK, Block SIM card

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DATEV SmartLogin free?

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

### Is sim24 Servicewelt free?

sim24 Servicewelt is free to download, with no in-app purchases.

### Which has better reviews, DATEV SmartLogin or sim24 Servicewelt?

DATEV SmartLogin is rated higher. DATEV SmartLogin averages 4.5 out of 5 from 265 ratings, while sim24 Servicewelt averages 1.3 from 4 ratings.

### Do DATEV SmartLogin or sim24 Servicewelt have ads?

Neither DATEV SmartLogin nor sim24 Servicewelt shows ads.

### Which is updated more often, DATEV SmartLogin or sim24 Servicewelt?

DATEV SmartLogin ships an update every 3 weeks, and sim24 Servicewelt every 2 months. Most recently, DATEV SmartLogin was updated on September 24, 2026 and sim24 Servicewelt on September 22, 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.*