# Luminus vs SIME CONGRESS

The clearest difference is update cadence: SIME CONGRESS at every 3 weeks against Luminus's every 5 months. Luminus's advantage is iOS requirement (8.0 vs 15). 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.

Luminus ships an update every 5 months, SIME CONGRESS every 3 weeks. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Luminus | SIME CONGRESS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 26 MB |
| Requires iOS | **8.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aquatlantis](https://appshunter.io/developer/1096599641) | [Expomeeting](https://appshunter.io/developer/1498921317) |

## What reviewers say

### Luminus

[App page](https://appshunter.io/ios/app/luminus/id1096599642)

Control your LED light units with customizable parameters. Create realistic sunrise, sunset, and night moods, and even simulate storm ambiance for your aquarium. Adjust light intensity and set gradual on/off intervals.

**Highlights:** Independent control of LED light units, Sunrise and sunset effects, Gradual on/off intervals (10-90 minutes), Adjustable light intensity (10-100%), Storm ambiance simulation, Two independent channels (5A per channel)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIME CONGRESS

[App page](https://appshunter.io/ios/app/sime-congress/id6745561916)

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

**In-app purchases:** none


## Frequently asked questions

### Is Luminus free?

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

### Is SIME CONGRESS free?

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

### Do Luminus or SIME CONGRESS have ads?

Neither Luminus nor SIME CONGRESS shows ads.

### Which is updated more often, Luminus or SIME CONGRESS?

Luminus ships an update every 5 months, and SIME CONGRESS every 3 weeks. Most recently, Luminus was updated on October 9, 2026 and SIME CONGRESS on October 28, 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.*