# Catchin' Sync vs Peek

The clearest difference is price: Catchin' Sync at Free against Peek's $1.99. Catchin' Sync also leads on iOS requirement (14.3 vs 18.0). Peek's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs every 11 months). On ads and device support there is nothing between them.

Catchin' Sync is free to download; Peek costs $1.99 up front. Catchin' Sync sells 1 one-off in-app purchase. Peek asks for nothing beyond the download.

Catchin' Sync ships an update every 11 months, Peek every 3 days. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Catchin' Sync | Peek |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/catchin-sync/id572341912/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 57.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 3 MB |
| Requires iOS | **14.3** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quiet Art Ltd.](https://appshunter.io/developer/572341915) | [Jonathan Berger](https://appshunter.io/developer/516482448) |

## What reviewers say

### Catchin' Sync

[App page](https://appshunter.io/ios/app/catchin-sync/id572341912)

This app helps determine the audio and video sync delay on any playback device. It's useful for professionals and enthusiasts in various A/V scenarios, including home theaters and professional editing suites. The free version offers a sample video, while full access enables video recording for testing.

**Highlights:** Measure audio-video sync delay, Works with any sync event, Useful for professionals, Suitable for home theater, Includes sample test video, Optional video recording

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $17.99 | one-time |


### Peek

[App page](https://appshunter.io/ios/app/peek-rtsp-ip-camera-viewer/id6808725308)

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

**In-app purchases:** none


## Frequently asked questions

### Is Catchin' Sync free?

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

### Is Peek free?

Peek costs $1.99, with no in-app purchases.

### Do Catchin' Sync or Peek have ads?

Neither Catchin' Sync nor Peek shows ads.

### Which is updated more often, Catchin' Sync or Peek?

Catchin' Sync ships an update every 11 months, and Peek every 3 days. Most recently, Catchin' Sync was updated on October 23, 2026 and Peek on October 16, 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.*