# Lumikat vs SÄPP

The clearest difference is in-app purchases: Lumikat at none against SÄPP's 1. Lumikat also leads on iOS requirement (12.0 vs 15.6). SÄPP's advantage is update cadence (monthly vs every 51 months). On price, ads and device support there is nothing between them.

Both are free to download. SÄPP sells 1 in-app purchase, starting at $9.99 per year. Lumikat asks for nothing beyond the download.

Lumikat ships an update every 51 months, SÄPP monthly. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Lumikat | SÄPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/lumikat/id1195058657/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 51 months | **Monthly** |
| Monetization | Free | — |
| Size | 26 MB | 117 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SiLAB AG](https://appshunter.io/developer/1195058656) | [Sarah Hofer-Siegrist](https://appshunter.io/developer/1370208838) |

## What reviewers say

### Lumikat

[App page](https://appshunter.io/ios/app/lumikat/id1195058657)

Control a unique, Swiss-made wooden lamp with innovative lighting technology. Adjust brightness, color temperature, and lighting direction, or set custom scenes via the app.

**Highlights:** Customizable lighting scenes, Adjustable brightness and color temperature, Direct and indirect lighting control, Energy-saving sector lighting, Colored mood lighting, App-based control

**Features:** macOS Compatibility

**In-app purchases:** none


### SÄPP

[App page](https://appshunter.io/ios/app/sapp/id6760342326)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SÄPP Pro | $9.99 | per year |


## Frequently asked questions

### Is Lumikat free?

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

### Is SÄPP free?

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

### Do Lumikat or SÄPP have ads?

Neither Lumikat nor SÄPP shows ads.

### Which is updated more often, Lumikat or SÄPP?

Lumikat ships an update every 51 months, and SÄPP monthly. Most recently, Lumikat was updated on October 12, 2026 and SÄPP 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.*