# yourfone Servicewelt vs Thetis Tools

The clearest difference is update cadence: yourfone Servicewelt at every 3 months against Thetis Tools's every 7 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.

yourfone Servicewelt ships an update every 3 months, Thetis Tools every 7 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | yourfone Servicewelt | Thetis Tools |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | — |
| Size | 5 MB | 50 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Drillisch Online GmbH](https://appshunter.io/developer/1706071080) | [Thetis srl](https://appshunter.io/developer/397584184) |

## What reviewers say

### yourfone Servicewelt

[App page](https://appshunter.io/ios/app/yourfone-servicewelt/id961924902)

Manage your mobile services, track data usage, view bills, and update personal information. Easily book and manage tariff options, and access help and contact information.

**Highlights:** Control data consumption, View bills, Top up credit, Change customer data, Book and manage tariff options, Manage multiple phone numbers

**Features:** Vision Pro support

**In-app purchases:** none


### Thetis Tools

[App page](https://appshunter.io/ios/app/thetis-tools/id1460268980)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is yourfone Servicewelt free?

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

### Is Thetis Tools free?

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

### Do yourfone Servicewelt or Thetis Tools have ads?

Neither yourfone Servicewelt nor Thetis Tools shows ads.

### Which is updated more often, yourfone Servicewelt or Thetis Tools?

yourfone Servicewelt ships an update every 3 months, and Thetis Tools every 7 months. Most recently, yourfone Servicewelt was updated on October 24, 2026 and Thetis Tools on October 5, 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.*