# sim.de Servicewelt vs GRT Mobile

The clearest difference is update cadence: GRT Mobile at every 2 weeks against sim.de Servicewelt's every 3 months. 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.

sim.de Servicewelt ships an update every 3 months, GRT Mobile every 2 weeks. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | sim.de Servicewelt | GRT Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (4 ratings)](https://appshunter.io/ios/app/simde-servicewelt/id948658474/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 36.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 185 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Drillisch Online GmbH](https://appshunter.io/developer/1706071080) | [argvis; GmbH](https://appshunter.io/developer/1579873700) |

## What reviewers say

### sim.de Servicewelt

[App page](https://appshunter.io/ios/app/simde-servicewelt/id948658474)

Manage your personal service world with all its benefits in one app. Control data usage, view bills, change customer data, and flexibly book tariff options. Stay logged in for automatic access without re-entering credentials.

**Highlights:** Control data usage, View bills, Change customer data, Book and manage tariff options, View tariff details, Manage multiple phone numbers, Automatic login

**Features:** Vision Pro support

**In-app purchases:** none


### GRT Mobile

[App page](https://appshunter.io/ios/app/grt-mobile/id6783258671)

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

**In-app purchases:** none


## Frequently asked questions

### Is sim.de Servicewelt free?

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

### Is GRT Mobile free?

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

### Do sim.de Servicewelt or GRT Mobile have ads?

Neither sim.de Servicewelt nor GRT Mobile shows ads.

### Which is updated more often, sim.de Servicewelt or GRT Mobile?

sim.de Servicewelt ships an update every 3 months, and GRT Mobile every 2 weeks. Most recently, sim.de Servicewelt was updated on October 16, 2026 and GRT Mobile on October 19, 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.*