# SIGMA LINK vs Lupine Light Control 3.0

The clearest difference is review sentiment: Lupine Light Control 3.0 at 57% against SIGMA LINK's 9%. On price, update cadence, 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, Lupine Light Control 3.0 every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SIGMA LINK | Lupine Light Control 3.0 |
| --- | --- | --- |
| 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 | **57.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 76 MB | 35 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SIGMA-ELEKTRO GmbH](https://appshunter.io/developer/803939887) | [Lupine Lighting Systems GmbH](https://appshunter.io/developer/1031179881) |

## 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


### Lupine Light Control 3.0

[App page](https://appshunter.io/ios/app/lupine-light-control-30/id1582228436)

Customize and control your Lupine smart lights for various activities. Create individual profiles, adjust light levels, and monitor real-time status like battery life and signal strength. Offers advanced features for specific lamp models.

**Highlights:** Create custom activity profiles, Program light levels, Real-time status monitoring, Bluetooth signal strength display, Expected runtime information, Switch between sensor and manual modes

**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 Lupine Light Control 3.0 free?

Lupine Light Control 3.0 is free to download, with no in-app purchases.

### Do SIGMA LINK or Lupine Light Control 3.0 have ads?

Neither SIGMA LINK nor Lupine Light Control 3.0 shows ads.

### Which is updated more often, SIGMA LINK or Lupine Light Control 3.0?

SIGMA LINK ships an update every 4 months, and Lupine Light Control 3.0 every 3 months. Most recently, SIGMA LINK was updated on November 2, 2026 and Lupine Light Control 3.0 on November 3, 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.*