# Catchin' Sync vs tcCalc

The clearest difference is price: Catchin' Sync at Free against tcCalc's $0.99. Catchin' Sync also leads on iOS requirement (14.3 vs 17.6). tcCalc's advantage is in-app purchases (none vs 1) and update cadence (every 3 months vs every 11 months). On review sentiment, ads and device support there is nothing between them.

Catchin' Sync is free to download; tcCalc costs $0.99 up front. Catchin' Sync sells 1 one-off in-app purchase. tcCalc asks for nothing beyond the download.

tcCalc holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: tcCalc has 76 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 63% of tcCalc's.

Catchin' Sync ships an update every 11 months, tcCalc every 3 months. The most recent releases landed on September 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Catchin' Sync | tcCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/catchin-sync/id572341912/reviews) | **[4.7 (76 ratings)](https://appshunter.io/ios/app/tccalc-timecode-and-frame-calc/id1144759699/reviews)** |
| Number of ratings | 11 | **76** |
| Positive reviews | 57.6% of reviews | **63.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 88 MB | 1 MB |
| Requires iOS | **14.3** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quiet Art Ltd.](https://appshunter.io/developer/572341915) | [RYUICHIROU SHIMONO](https://appshunter.io/developer/696880855) |

## 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 |


### tcCalc

[App page](https://appshunter.io/ios/app/tccalc-timecode-and-frame-calc/id1144759699)

This calculator specializes in timecode and frame-based calculations, offering a familiar interface for quick conversions and duration calculations. It supports multiple frame rates and allows for easy copying and pasting of results.

**Highlights:** Timecode and frame calculations, Convert between timecode and frames, Supports multiple frame rates, Automatic value adjustment, Copy and paste functionality, Memory function, Calculation history

**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 tcCalc free?

tcCalc costs $0.99, with no in-app purchases.

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

tcCalc is rated higher. Catchin' Sync averages 4.5 out of 5 from 11 ratings, while tcCalc averages 4.7 from 76 ratings.

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

Neither Catchin' Sync nor tcCalc shows ads.

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

Catchin' Sync ships an update every 11 months, and tcCalc every 3 months. Most recently, Catchin' Sync was updated on September 7, 2026 and tcCalc on September 23, 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.*