# SIGMA LINK vs BalanceCoach iQ

The clearest difference is update cadence: SIGMA LINK at every 4 months against BalanceCoach iQ's every 28 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.

SIGMA LINK ships an update every 4 months, BalanceCoach iQ every 28 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SIGMA LINK | BalanceCoach iQ |
| --- | --- | --- |
| 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 28 months |
| Monetization | Free | — |
| Size | 76 MB | 38 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIGMA-ELEKTRO GmbH](https://appshunter.io/developer/803939887) | [zebris Medical GmbH](https://appshunter.io/developer/1634191062) |

## 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


### BalanceCoach iQ

[App page](https://appshunter.io/ios/app/balancecoach-iq/id6446276433)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIGMA LINK free?

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

### Is BalanceCoach iQ free?

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

### Do SIGMA LINK or BalanceCoach iQ have ads?

Neither SIGMA LINK nor BalanceCoach iQ shows ads.

### Which is updated more often, SIGMA LINK or BalanceCoach iQ?

SIGMA LINK ships an update every 4 months, and BalanceCoach iQ every 28 months. Most recently, SIGMA LINK was updated on November 2, 2026 and BalanceCoach iQ on October 27, 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.*