# Flash Sync vs Disco Lights Music Visualizer

The clearest difference is in-app purchases: Disco Lights Music Visualizer at none against Flash Sync's 3. Disco Lights Music Visualizer also leads on update cadence (fortnightly vs every 5 weeks). Flash Sync's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Flash Sync sells 3 in-app purchases, starting at $0.99 per month. Disco Lights Music Visualizer asks for nothing beyond the download.

Flash Sync ships an update every 5 weeks, Disco Lights Music Visualizer fortnightly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Flash Sync | Disco Lights Music Visualizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (161 ratings)](https://appshunter.io/ios/app/flash-sync-light-show-strobe/id1021930682/reviews)** | — |
| Number of ratings | **161** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 20 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Sounak Sarkar](https://appshunter.io/developer/938584928) | [ANDRII SYNGAIEVSKYI](https://appshunter.io/developer/6791885472) |

## What reviewers say

### Flash Sync

[App page](https://appshunter.io/ios/app/flash-sync-light-show-strobe/id1021930682)

Transform any space into a vibrant party atmosphere. This app synchronizes your device's flashlight with the beats of any audio file, creating a dynamic light show. It also offers screen blinking for devices without a flashlight and advanced features through a premium subscription.

**Highlights:** Flashlight sync with audio beats, Screen blinking for non-flashlight devices, Play any audio file, Microphone input, Five different visual modes, Sync multiple devices, External speaker support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $5.99 | per year |
| Remove advertisements | $0.99 | one-time |


### Disco Lights Music Visualizer

[App page](https://appshunter.io/ios/app/disco-lights-music-visualizer/id6791885470)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash Sync free?

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

### Is Disco Lights Music Visualizer free?

Disco Lights Music Visualizer is free to download, with no in-app purchases.

### Do Flash Sync or Disco Lights Music Visualizer have ads?

Both Flash Sync and Disco Lights Music Visualizer show ads.

### Which is updated more often, Flash Sync or Disco Lights Music Visualizer?

Flash Sync ships an update every 5 weeks, and Disco Lights Music Visualizer fortnightly. Most recently, Flash Sync was updated on October 7, 2026 and Disco Lights Music Visualizer on October 8, 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.*