# crowdlight

> Music-reactive light show app using device flash and screen, with multi-device sync. (iPhone/iPad app by Urs Brauchli.)

- Source: https://appshunter.io/ios/app/crowdlight/id605014185 (this page in markdown: same URL + `.md`)
- Developer: [Urs Brauchli](https://appshunter.io/developer/319576818)
- Category: Entertainment, Music
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 7 MB
- Languages: American English
- Released: 2013-02-24
- Data updated: 2026-06-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/crowdlight/id605014185/reviews.md

## What is crowdlight?

Put your cellphones in the air!

With crowdlight, the audience is an additional lightshow. crowdlight analyzes the music and converts it to color. Your screen will flicker according to the music on stage. iPhones with a built in flash will use it as an additional lightsource. 

Enable Bluetooth and/or WiFi to make crowdlight sync with other devices around you. They'll build a swarm and will split up the low/mid/high frequencies of the music among them.
ATTENTION: Bluetooth/WiFi cannot be switched on from within the app. You have to go to your settings panel and switch them on manually.

Use it at concerts and in the club and make the band/dj have some fun, too!

## Key features

- Music-reactive light display
- Uses device flash for lighting
- Screen flickering synchronized to music
- Bluetooth/WiFi multi-device sync
- Frequency splitting for swarm effect

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/crowdlight/id605014185/reviews.md

### 3/5 — Needs work

*2013-02-26*

Stays red and green! Needs more colors and also the led needs to flash better, it stays on to long! Also needs an options menu!

## Frequently asked questions about crowdlight

### What is crowdlight?

crowdlight is an entertainment app that turns your device into a music-reactive light show. It uses your phone's flash and screen to create a visual experience synchronized with music.

### How does crowdlight sync with other devices?

You can enable Bluetooth and/or WiFi in your device's settings to make crowdlight sync with other nearby devices. They will form a swarm and split music frequencies for a collective light effect.

### Does crowdlight require manual Bluetooth/WiFi activation?

Yes, Bluetooth and WiFi cannot be switched on from within the crowdlight app. You must manually enable these connections in your device's settings panel before using the sync features.

### What devices does crowdlight support?

crowdlight is supported on iPhone, iPad, and iPod devices, making it accessible for a wide range of Apple users looking to enhance their music experiences.

### What is the age rating for crowdlight?

crowdlight has an age rating of 4+, making it suitable for a broad audience, including younger users who can enjoy its visual music synchronization features.

### When was crowdlight last updated?

The latest version of crowdlight, 1.4.1, was last updated on September 11, 2014. This indicates the app has not received recent updates.

### What is the user sentiment for crowdlight?

Based on the available data, crowdlight has a rating of 1.0 stars from 1 rating, suggesting a very low user satisfaction or a single negative experience.

### Does crowdlight have ads?

No, crowdlight does not contain advertisements. The app is free to download and use without any ad interruptions.

## Version history (last 5 releases)

### 1.4.1 — 2014-09-11

This app has been updated by Apple to display the Apple Watch app icon.

Adjusted the sensitivity to increase the variety of colors

### 1.4 — 2014-05-18

Added a new display mode (with bubbles, yes like in the icon :)
adjusted the color-schemes to frequencies

### 1.3 — 2013-06-01

Added another screen-mode that shows all frequencies at once (low/mid/high). This screen doesn't support crowd-mode, though.

### 1.2 — 2013-04-05

Another fine-tuning for the detected frequencies (more colors)

App doesn't go to sleep anymore

### 1.1 — 2013-03-09

Added an info screen

Improved frequency analysis. Responds to the input peak now as well.
Torch light doesn't stay on anymore.

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## More apps by Urs Brauchli

- [Flight Tracker ZRH](https://appshunter.io/ios/app/flight-tracker-zrh/id369747166)
- [Radio Rasa](https://appshunter.io/ios/app/radio-rasa/id645399231)
- [Kauz](https://appshunter.io/ios/app/kauz/id1440367850)

All apps by Urs Brauchli: https://appshunter.io/developer/319576818

## Related topics

[urs brauchli](https://appshunter.io/ios/topics/urs-brauchli)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*