# Flash Sync vs Odin's Debt

The clearest difference is review sentiment: Odin's Debt at 100% against Flash Sync's 50%. Odin's Debt also leads on in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.6). 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. Odin's Debt asks for nothing beyond the download.

## The numbers

| Metric | Flash Sync | Odin's Debt |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 16 MB | 99 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sounak Sarkar](https://appshunter.io/developer/938584928) | [Alihan ACIKGOZ](https://appshunter.io/developer/1742005073) |

## 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 |


### Odin's Debt

[App page](https://appshunter.io/ios/app/odins-debt/id6742180401)

This game determines who pays the bill through a Viking-themed elimination challenge. Players place fingers on the screen, and a spinning wheel randomly eliminates participants until only one remains to face the consequences.

**Highlights:** Finger elimination challenge, Viking mythology theme, Party game for groups, Random fate wheel, Sudden death match option

**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 Odin's Debt free?

Odin's Debt is free to download, with no in-app purchases.

### Do Flash Sync or Odin's Debt have ads?

Both Flash Sync and Odin's Debt show ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*