# klarmobil vs sim24 Servicewelt

The clearest difference is review sentiment: klarmobil at 90% against sim24 Servicewelt's 46%. klarmobil also leads on rating (3.1 vs 1.3) and update cadence (every 2 weeks vs every 2 months). sim24 Servicewelt's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

klarmobil holds the better App Store score, 3.1 against 1.3. Both are backed by a comparable volume of ratings — 14 and 4 respectively. Written reviews point the same way: 90% of klarmobil's written reviews are positive against 46% of sim24 Servicewelt's.

klarmobil ships an update every 2 weeks, sim24 Servicewelt every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | klarmobil | sim24 Servicewelt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (14 ratings)](https://appshunter.io/ios/app/klarmobil/id1443939047/reviews)** | [1.3 (4 ratings)](https://appshunter.io/ios/app/sim24-servicewelt/id6499200548/reviews) |
| Number of ratings | **14** | 4 |
| Positive reviews | **90.4% of reviews** | 45.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 53 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [klarmobil GmbH](https://appshunter.io/developer/1443939046) | [Drillisch Online GmbH](https://appshunter.io/developer/1706071080) |

## What reviewers say

### klarmobil

[App page](https://appshunter.io/ios/app/klarmobil/id1443939047)

Manage your mobile contracts, view bills, and track data usage with ease. This app offers a fresh design and intuitive functions for convenient contract management, including personal data updates and access to all your documents.

**Highlights:** View all bills and contract details, Track data, SMS, and call usage, Purchase additional data volume, Update personal information, Access online mailbox for documents, Manage SIM card services

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

**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 klarmobil free?

klarmobil 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, klarmobil or sim24 Servicewelt?

klarmobil is rated higher. klarmobil averages 3.1 out of 5 from 14 ratings, while sim24 Servicewelt averages 1.3 from 4 ratings.

### Do klarmobil or sim24 Servicewelt have ads?

klarmobil shows ads; sim24 Servicewelt does not.

### Which is updated more often, klarmobil or sim24 Servicewelt?

klarmobil ships an update every 2 weeks, and sim24 Servicewelt every 2 months. Most recently, klarmobil was updated on November 2, 2026 and sim24 Servicewelt on November 4, 2026.

---

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