# LightSymphony vs Schlüter®

The clearest difference is update cadence: Schlüter® at every 2 weeks against LightSymphony's every 6 weeks. 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.

LightSymphony ships an update every 6 weeks, Schlüter® every 2 weeks. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | LightSymphony | Schlüter® |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 4 MB | 106 MB |
| Requires iOS | 17.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Paul Metcalfe International Ltd](https://appshunter.io/developer/897809446) | [Schlueter-Systems KG](https://appshunter.io/developer/915757337) |

## What reviewers say

### LightSymphony

[App page](https://appshunter.io/ios/app/lightsymphony/id6743965202)

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

**In-app purchases:** none


### Schlüter®

[App page](https://appshunter.io/ios/app/schluter-tr-control/id6749083068)

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

**In-app purchases:** none


## Frequently asked questions

### Is LightSymphony free?

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

### Is Schlüter® free?

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

### Do LightSymphony or Schlüter® have ads?

Neither LightSymphony nor Schlüter® shows ads.

### Which is updated more often, LightSymphony or Schlüter®?

LightSymphony ships an update every 6 weeks, and Schlüter® every 2 weeks. Most recently, LightSymphony was updated on October 4, 2026 and Schlüter® on October 17, 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.*