# 1&1 Cloud vs BLACKSIM Servicewelt

The clearest difference is review sentiment: 1&1 Cloud at 96% against BLACKSIM Servicewelt's 0%. 1&1 Cloud also leads on update cadence (fortnightly vs every 2 months). BLACKSIM Servicewelt's advantage is iOS requirement (15.0 vs 18.0). 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.

1&1 Cloud ships an update fortnightly, BLACKSIM Servicewelt every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 1&1 Cloud | BLACKSIM Servicewelt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/1-and-1-cloud/id1045122037/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **96.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 337 MB | 5 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [1&1 Telecom GmbH](https://appshunter.io/developer/1229042001) | [Drillisch Online GmbH](https://appshunter.io/developer/1706071080) |

## What reviewers say

### 1&1 Cloud

[App page](https://appshunter.io/ios/app/1-and-1-cloud/id1045122037)

Securely store and access your photos, videos, music, and documents from any device. Upload files automatically and share them easily with friends and family. Enjoy peace of mind with data stored in German data centers.

**Highlights:** Secure cloud storage, Access files on any device, Automatic photo/video upload, Slideshow/gallery view, Easy file sharing, German data centers

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### BLACKSIM Servicewelt

[App page](https://appshunter.io/ios/app/blacksim-servicewelt/id6464466979)

Manage your mobile service plan, monitor data usage, and adjust your plan options. Access billing information, change customer details, and get help. Book additional services like partner SIM cards and roaming packages.

**Highlights:** Control data usage, Increase data volume, Disable data auto-refill, Book partner SIM cards, View bills, Manage tariff options, Book eSIM

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

**In-app purchases:** none


## Frequently asked questions

### Is 1&1 Cloud free?

1&1 Cloud is free to download, with no in-app purchases.

### Is BLACKSIM Servicewelt free?

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

### Do 1&1 Cloud or BLACKSIM Servicewelt have ads?

Neither 1&1 Cloud nor BLACKSIM Servicewelt shows ads.

### Which is updated more often, 1&1 Cloud or BLACKSIM Servicewelt?

1&1 Cloud ships an update fortnightly, and BLACKSIM Servicewelt every 2 months. Most recently, 1&1 Cloud was updated on November 2, 2026 and BLACKSIM Servicewelt on November 3, 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.*