# HD AV SYNC + CAMERA CHIP CHART vs Mackie SRM

The clearest difference is price: Mackie SRM at Free against HD AV SYNC + CAMERA CHIP CHART's $4.99. Mackie SRM also leads on rating (3.0 vs 1.0) and update cadence (every 19 months vs every 71 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Mackie SRM is free to download; HD AV SYNC + CAMERA CHIP CHART costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mackie SRM holds the better App Store score, 3.0 against 1.0. That said, the two scores are not equally well evidenced: Mackie SRM has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of HD AV SYNC + CAMERA CHIP CHART's written reviews are positive against 13% of Mackie SRM's.

HD AV SYNC + CAMERA CHIP CHART ships an update every 71 months, Mackie SRM every 19 months. The most recent releases landed on June 8, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | HD AV SYNC + CAMERA CHIP CHART | Mackie SRM |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/hd-av-sync-plus-camera-chip-chart/id586105140/reviews) | **[3.0 (9 ratings)](https://appshunter.io/ios/app/mackie-srm-flex-connect/id1480964423/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | 0.0% of reviews | **12.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 71 months | **Every 19 months** |
| Monetization | Paid | **Free** |
| Size | 25 MB | 30 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [John Avatar](https://appshunter.io/developer/375690746) | [Loud Technologies, Inc.](https://appshunter.io/developer/511500930) |

## What reviewers say

### HD AV SYNC + CAMERA CHIP CHART

[App page](https://appshunter.io/ios/app/hd-av-sync-plus-camera-chip-chart/id586105140)

This app generates test patterns and audio tones to help synchronize video and audio for various production and playback systems. It assists in correcting sync issues for cameras, editing software, live events, and home theaters.

**Highlights:** Audio delay adjustment for sync, Generates video/audio files for editing systems, Supports live event synchronization, Includes camera chip chart generator, Custom web browser with AV info, Continuous loop test pattern

**Features:** macOS Compatibility

**In-app purchases:** none


### Mackie SRM

[App page](https://appshunter.io/ios/app/mackie-srm-flex-connect/id1480964423)

Control your Mackie SRM-Flex Portable Column PA System wirelessly via Bluetooth. Adjust channel EQ, reverb, voicing modes, levels, and LED settings. Save and recall system configurations with snapshots.

**Highlights:** Wireless Bluetooth control, Channel EQ adjustment, Reverb and voicing modes, Channel and master level control, LED bar and front LED modes, System snapshot saving

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HD AV SYNC + CAMERA CHIP CHART free?

HD AV SYNC + CAMERA CHIP CHART costs $4.99, with no in-app purchases.

### Is Mackie SRM free?

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

### Which has better reviews, HD AV SYNC + CAMERA CHIP CHART or Mackie SRM?

Mackie SRM is rated higher. HD AV SYNC + CAMERA CHIP CHART averages 1.0 out of 5 from 1 ratings, while Mackie SRM averages 3.0 from 9 ratings.

### Do HD AV SYNC + CAMERA CHIP CHART or Mackie SRM have ads?

Neither HD AV SYNC + CAMERA CHIP CHART nor Mackie SRM shows ads.

### Which is updated more often, HD AV SYNC + CAMERA CHIP CHART or Mackie SRM?

HD AV SYNC + CAMERA CHIP CHART ships an update every 71 months, and Mackie SRM every 19 months. Most recently, HD AV SYNC + CAMERA CHIP CHART was updated on June 8, 2026 and Mackie SRM on June 6, 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.*