# Flash Sync vs ALI Cool to Warm

The clearest difference is in-app purchases: ALI Cool to Warm at none against Flash Sync's 3. ALI Cool to Warm also leads on ads (none vs shown) and iOS requirement (12.1 vs 15.6). On price 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. ALI Cool to Warm asks for nothing beyond the download.

## The numbers

| Metric | Flash Sync | ALI Cool to Warm |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 10 MB |
| Requires iOS | 15.6 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sounak Sarkar](https://appshunter.io/developer/938584928) | [Aircraft Lighting International Inc.](https://appshunter.io/developer/1047330653) |

## 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 |


### ALI Cool to Warm

[App page](https://appshunter.io/ios/app/ali-cool-to-warm/id1524676054)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flash Sync free?

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

### Is ALI Cool to Warm free?

ALI Cool to Warm is free to download, with no in-app purchases.

### Do Flash Sync or ALI Cool to Warm have ads?

Flash Sync shows ads; ALI Cool to Warm does not.

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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.*