# HD AV SYNC + CAMERA CHIP CHART vs Teradek Bolt

The clearest difference is price: Teradek Bolt at Free against HD AV SYNC + CAMERA CHIP CHART's $4.99. Teradek Bolt also leads on rating (1.8 vs 1.0) and update cadence (every 2 months vs every 71 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Teradek Bolt 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.

Teradek Bolt holds the better App Store score, 1.8 against 1.0. That said, the two scores are not equally well evidenced: Teradek Bolt has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

HD AV SYNC + CAMERA CHIP CHART ships an update every 71 months, Teradek Bolt every 2 months. The most recent releases landed on June 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | HD AV SYNC + CAMERA CHIP CHART | Teradek Bolt |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/hd-av-sync-plus-camera-chip-chart/id586105140/reviews) | **[1.8 (16 ratings)](https://appshunter.io/ios/app/teradek-bolt/id1456197163/reviews)** |
| Number of ratings | 1 | **16** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 71 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 25 MB | 30 MB |
| Requires iOS | **12.0** | 13.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [John Avatar](https://appshunter.io/developer/375690746) | [Teradek](https://appshunter.io/developer/450852792) |

## 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


### Teradek Bolt

[App page](https://appshunter.io/ios/app/teradek-bolt/id1456197163)

Control and configure wireless video transmission devices remotely from your smartphone. Manage pairing, firmware updates, and advanced features like spectrum analysis and range finding for optimal production workflows.

**Highlights:** Remote device pairing, Firmware updates, Spectrum analyzer, Range finder, 3D LUT selection, Quality and range analysis, Broadcast mode

**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 Teradek Bolt free?

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

### Which has better reviews, HD AV SYNC + CAMERA CHIP CHART or Teradek Bolt?

Teradek Bolt is rated higher. HD AV SYNC + CAMERA CHIP CHART averages 1.0 out of 5 from 1 ratings, while Teradek Bolt averages 1.8 from 16 ratings.

### Do HD AV SYNC + CAMERA CHIP CHART or Teradek Bolt have ads?

Neither HD AV SYNC + CAMERA CHIP CHART nor Teradek Bolt shows ads.

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

HD AV SYNC + CAMERA CHIP CHART ships an update every 71 months, and Teradek Bolt every 2 months. Most recently, HD AV SYNC + CAMERA CHIP CHART was updated on June 8, 2026 and Teradek Bolt on September 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.*