# AV Flash Sync vs Suncycle App

The clearest difference is in-app purchases: Suncycle App at none against AV Flash Sync's 1. Suncycle App also leads on update cadence (monthly vs every 19 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AV Flash Sync sells 1 one-off in-app purchase. Suncycle App asks for nothing beyond the download.

AV Flash Sync ships an update every 19 months, Suncycle App monthly. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | AV Flash Sync | Suncycle App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/av-flash-sync/id1207980707/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 23 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [náhodný](https://appshunter.io/developer/431797361) | [Suncycle GmbH](https://appshunter.io/developer/1193526099) |

## What reviewers say

### AV Flash Sync

[App page](https://appshunter.io/ios/app/av-flash-sync/id1207980707)

Enhance your AV media recordings with a one-second tone and red flash. This tool aids in synchronizing audio and video during post-production, streamlining your workflow.

**Highlights:** Add one-second tone, Add red flash, Synchronize audio and video, Post-production tool, Media recording enhancement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flash Sync Pro | $2.99 | one-time |


### Suncycle App

[App page](https://appshunter.io/ios/app/suncycle-app/id1221818766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AV Flash Sync free?

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

### Is Suncycle App free?

Suncycle App is free to download, with no in-app purchases.

### Do AV Flash Sync or Suncycle App have ads?

Neither AV Flash Sync nor Suncycle App shows ads.

### Which is updated more often, AV Flash Sync or Suncycle App?

AV Flash Sync ships an update every 19 months, and Suncycle App monthly. Most recently, AV Flash Sync was updated on September 24, 2026 and Suncycle App on September 15, 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.*