# Flash Sync vs Disco Lights Bulbs

The clearest difference is review sentiment: Flash Sync at 50% against Disco Lights Bulbs's 0%. Disco Lights Bulbs's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, update cadence, in-app purchases 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 and Disco Lights Bulbs sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flash Sync ships an update every 5 weeks, Disco Lights Bulbs every 3 weeks. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Flash Sync | Disco Lights Bulbs |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 4 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sounak Sarkar](https://appshunter.io/developer/938584928) | [Orion Lukasz Gonerski](https://appshunter.io/developer/364982460) |

## 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 Bulbs

[App page](https://appshunter.io/ios/app/disco-lights-bulbs/id1542241661)

Sync your device's lights with music for a party atmosphere. Choose single or multi-lamp modes that react to different sound frequencies. Enhance your gatherings by coordinating multiple devices.

**Highlights:** Music rhythm synchronization, Reacts to bass, treble, and mid tones, Single lamp mode, 3 lamp mode, Multi-device synchronization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $1.99 | one-time |


## Frequently asked questions

### Is Flash Sync free?

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

### Is Disco Lights Bulbs free?

Disco Lights Bulbs is free to download, with in-app purchases available.

### Do Flash Sync or Disco Lights Bulbs have ads?

Flash Sync shows ads; Disco Lights Bulbs does not.

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

Flash Sync ships an update every 5 weeks, and Disco Lights Bulbs every 3 weeks. Most recently, Flash Sync was updated on October 7, 2026 and Disco Lights Bulbs on October 3, 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.*