# Kundenzone vs S2U

The clearest difference is ads: S2U at none against Kundenzone's shown. S2U also leads on update cadence (every 2 weeks vs every 3 months). Kundenzone's advantage is iOS requirement (13.0 vs 15.5). 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.

Kundenzone ships an update every 3 months, S2U every 2 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Kundenzone | S2U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (9 ratings)](https://appshunter.io/ios/app/kundenzone/id440477229/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 63 MB | 89 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hutchison Drei Austria GmbH](https://appshunter.io/developer/404154555) | [Helin Gueyen](https://appshunter.io/developer/1873981841) |

## What reviewers say

### Kundenzone

[App page](https://appshunter.io/ios/app/kundenzone/id440477229)

Manage your mobile plan, track usage, and view billing details. This app allows you to monitor your included allowances, current costs, and past invoices. You can also adjust service settings, manage your numbers, and optimize your plan with add-ons.

**Highlights:** Track included allowances, View current costs, Access past invoices, Manage phone numbers, Optimize plan with add-ons, Adjust service settings

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

**In-app purchases:** none


### S2U

[App page](https://appshunter.io/ios/app/s2u/id6758619402)

**In-app purchases:** none


## Frequently asked questions

### Is Kundenzone free?

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

### Is S2U free?

S2U is free to download, with no in-app purchases.

### Do Kundenzone or S2U have ads?

Kundenzone shows ads; S2U does not.

### Which is updated more often, Kundenzone or S2U?

Kundenzone ships an update every 3 months, and S2U every 2 weeks. Most recently, Kundenzone was updated on October 13, 2026 and S2U on October 9, 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.*