# SIGMA LINK vs Kampfsportgemeinschaft Zeitz

The clearest difference is update cadence: SIGMA LINK at every 4 months against Kampfsportgemeinschaft Zeitz's every 21 months. SIGMA LINK also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SIGMA LINK ships an update every 4 months, Kampfsportgemeinschaft Zeitz every 21 months. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SIGMA LINK | Kampfsportgemeinschaft Zeitz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (8 ratings)](https://appshunter.io/ios/app/sigma-link/id1147984544/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 9.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 21 months |
| Monetization | Free | — |
| Size | 76 MB | 17 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SIGMA-ELEKTRO GmbH](https://appshunter.io/developer/803939887) | [Kampfsportgemeinschaft (KSG) Jodan Kamae Zeitz e.V.](https://appshunter.io/developer/1599744108) |

## What reviewers say

### SIGMA LINK

[App page](https://appshunter.io/ios/app/sigma-link/id1147984544)

Easily transfer training data from compatible devices to your smartphone. View personal bests, statistics, and completed tracks. Sync all your training data, workouts, and sport profiles with cloud integration for constant access.

**Highlights:** Transfer training units, View training statistics, Track personal bests, Manage device settings, Sync with SIGMA CLOUD, Access workouts and sport profiles

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

**In-app purchases:** none


### Kampfsportgemeinschaft Zeitz

[App page](https://appshunter.io/ios/app/kampfsportgemeinschaft-zeitz/id1599744106)

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

**In-app purchases:** none


## Frequently asked questions

### Is SIGMA LINK free?

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

### Is Kampfsportgemeinschaft Zeitz free?

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

### Do SIGMA LINK or Kampfsportgemeinschaft Zeitz have ads?

Neither SIGMA LINK nor Kampfsportgemeinschaft Zeitz shows ads.

### Which is updated more often, SIGMA LINK or Kampfsportgemeinschaft Zeitz?

SIGMA LINK ships an update every 4 months, and Kampfsportgemeinschaft Zeitz every 21 months. Most recently, SIGMA LINK was updated on October 20, 2026 and Kampfsportgemeinschaft Zeitz on October 30, 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.*