# Catchin' Sync vs Vxio

The clearest difference is review sentiment: Vxio at 100% against Catchin' Sync's 58%. Vxio also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 11 months). Catchin' Sync's advantage is iOS requirement (14.3 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Catchin' Sync sells 1 one-off in-app purchase. Vxio asks for nothing beyond the download.

Vxio holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Vxio has 70 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 58% of Catchin' Sync's written reviews are positive against 100% of Vxio's.

Catchin' Sync ships an update every 11 months, Vxio every 3 weeks. The most recent releases landed on September 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Catchin' Sync | Vxio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/catchin-sync/id572341912/reviews) | **[4.9 (70 ratings)](https://appshunter.io/ios/app/vxio/id6475702074/reviews)** |
| Number of ratings | 11 | **70** |
| Positive reviews | 57.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 4 MB |
| Requires iOS | **14.3** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Quiet Art Ltd.](https://appshunter.io/developer/572341915) | [Chen Zhang](https://appshunter.io/developer/1724279417) |

## 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 |


### Vxio

[App page](https://appshunter.io/ios/app/vxio/id6475702074)

Stream content from NDI devices directly to your iOS device. This application acts as a monitor for NDI sources, allowing you to view content from devices like HDMI encoders on your iPhone or iPad.

**Highlights:** NDI source monitor, Stream NDI content to iOS, View HDMI encoder streams, Real-time monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Catchin' Sync free?

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

### Is Vxio free?

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

### Which has better reviews, Catchin' Sync or Vxio?

Vxio is rated higher. Catchin' Sync averages 4.5 out of 5 from 11 ratings, while Vxio averages 4.9 from 70 ratings.

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

Neither Catchin' Sync nor Vxio shows ads.

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

Catchin' Sync ships an update every 11 months, and Vxio every 3 weeks. Most recently, Catchin' Sync was updated on September 7, 2026 and Vxio on September 25, 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.*