# Catchin' Sync vs NDI Player

The clearest difference is rating: Catchin' Sync at 4.5 against NDI Player's 3.8. Catchin' Sync also leads on review sentiment (58% vs 25%) and iOS requirement (14.3 vs 16.6). NDI Player's advantage is update cadence (fortnightly vs every 11 months) and monetization model (free vs free with in-app purchases). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Catchin' Sync sells 1 one-off in-app purchase and NDI Player sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Catchin' Sync holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 11 and 18 respectively. Written reviews point the same way: 58% of Catchin' Sync's written reviews are positive against 25% of NDI Player's.

Catchin' Sync ships an update every 11 months, NDI Player fortnightly. The most recent releases landed on September 7, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | Catchin' Sync | NDI Player |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/catchin-sync/id572341912/reviews)** | [3.8 (18 ratings)](https://appshunter.io/ios/app/ndi-player/id1644447464/reviews) |
| Number of ratings | 11 | **18** |
| Positive reviews | **57.6% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 33 MB |
| Requires iOS | **14.3** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quiet Art Ltd.](https://appshunter.io/developer/572341915) | [TopDirector Corporation](https://appshunter.io/developer/1581209934) |

## 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 |


### NDI Player

[App page](https://appshunter.io/ios/app/ndi-player/id1644447464)

This tool transforms your device into a convenient NDI source for live production. Create customized playlists, support multiple NDI formats, and utilize Apple Pencil for annotations. It offers seamless HDMI and AirPlay output with real-time audio monitoring.

**Highlights:** NDI source creation, Customized playlist, Screen mirroring/AirPlay output, Apple Pencil/Finger annotation, Multi-NDI source support, Real-time audio VU meter

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Using Apple Pencil or Finger | $4.99 | one-time |
| Movie Playback | $9.99 | one-time |
| HDMI & ScreenMirroring/AirPlay | $9.99 | one-time |
| List Playback | $14.99 | one-time |


## Frequently asked questions

### Is Catchin' Sync free?

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

### Is NDI Player free?

NDI Player is free to download, with in-app purchases available.

### Which has better reviews, Catchin' Sync or NDI Player?

Catchin' Sync is rated higher. Catchin' Sync averages 4.5 out of 5 from 11 ratings, while NDI Player averages 3.8 from 18 ratings.

### Do Catchin' Sync or NDI Player have ads?

Neither Catchin' Sync nor NDI Player shows ads.

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

Catchin' Sync ships an update every 11 months, and NDI Player fortnightly. Most recently, Catchin' Sync was updated on September 7, 2026 and NDI Player on August 17, 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.*