# SIGMA LINK vs Loom Cycling

The clearest difference is in-app purchases: SIGMA LINK at none against Loom Cycling's 1. SIGMA LINK also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). Loom Cycling's advantage is update cadence (every 9 days vs every 4 months). On price and ads there is nothing between them.

Both are free to download. Loom Cycling sells 1 in-app purchase, starting at $6.99 per year. SIGMA LINK asks for nothing beyond the download.

SIGMA LINK ships an update every 4 months, Loom Cycling every 9 days. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | SIGMA LINK | Loom Cycling |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 76 MB | 4 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SIGMA-ELEKTRO GmbH](https://appshunter.io/developer/803939887) | [Tom Haythorn](https://appshunter.io/developer/6785199057) |

## 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


### Loom Cycling

[App page](https://appshunter.io/ios/app/loom-cycling/id6803827770)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loom Pro | $6.99 | per year |


## Frequently asked questions

### Is SIGMA LINK free?

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

### Is Loom Cycling free?

Loom Cycling is free to download, with in-app purchases available.

### Do SIGMA LINK or Loom Cycling have ads?

Neither SIGMA LINK nor Loom Cycling shows ads.

### Which is updated more often, SIGMA LINK or Loom Cycling?

SIGMA LINK ships an update every 4 months, and Loom Cycling every 9 days. Most recently, SIGMA LINK was updated on October 20, 2026 and Loom Cycling on October 22, 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.*