HD AV SYNC + CAMERA CHIP CHART vs Teradek Bolt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HD AV SYNC + CAMERA CHIP CHART
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.
- 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
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HD AV SYNC TEST & CAMERA CHIP CHART GENERATOR (YOUTUBE, TIKTOK, All Video & Live Formats, SD, HD, 360...) When doing YouTube, Film & TV Production... don't you hate it when your audio is way out of sync with your picture!?? Or your Digital Cinema, or Big Live Music Stage Show, Home Theatre is out of sync!?!?!? What about bad focus, chroma, luminance...? This App helps you fix ALL of that!:^). Includes a VERY Detailed User Guide and Embedded Quicktime Movie Files. Just Aim your HD or SD Cameras and Mics at your Apple iDevice and adjust audio delay for sync! Simple & Quick. OR, copy the included HD video/audio files (iTunes File Sharing) to sync your Edit System (FCP, Avid, Premiere, Pro Tools, Edius, iMovie...) to Client monitors! Also can be used for live events to sync the stage to the back of the stadium, or in major motion picture theatres to your home theatre!:^) FOR - iPad, iPhone and iPod Touch & ANY Computer (Mac, PC, Linux, UNIX...)!:^). ALSO for Playout Servers for Broadcast. From JOHNAVATAR.com (The included Movie Files work on ANY Mac, PC, Linux, any system.) For Critical Professionals, where Sound and Picture MUST BE IN SYNC! This is a must have APP. ESSENTIAL FOR…. 1) HD, SD, Film & 360 Camera systems – (including Digital SLR… 5D, RED and etc.) used in Production, for example HD Studio's, where HD Video is captured separately from sound (TV Production, for example), or on a major feature film…. 2) Picture & Sound Edit Systems - Adobe Premiere Pro, Avid MediaComposer, Final Cut Pro all versions, EDIUS, ProTools, Logic… even iMovie and MicroSoft MovieMaker… all of them), 3) Graphics Systems, like After Effects, Maya, Cinema4D… all of them, to test to be sure you are in AV Sync, 4) Home Theatres, Digital Cinema's, Theatres… anywhere where you are concerned about Motion Picture and Sound Sync... 5) LIVE EVENTS – where you want to check Visual and Sound Sync from the stage to the back of the arena… 6) AND ALSO for WEB and MOBILE, where you want to be sure that what you upload, is actually in AV Sync!:^) (Check your YouTube Videos for proper sync.) 7) VR Headsets - Test to make sure your VR is in sync!!!!:^) (Oculus Rift, Google Cardboard, MicroSoft HoloLens, ZEIS VR ONE, ZEIS Cinemizer, Playstation, ….) 8) Camera Chip Charts is included as a link, perfect for calibrating you camera (studio to consumer). OPERATION - Start up this APP, touch the RED ROUND Play Button on the Main / Web Screen and a non-stop, continuous loop of one (1) second of bars and tones plays, cut by one (1) second of black and silence plays 10 times, then repeats, until you TAP on screen and then TAP on X top left, or SWIPE DOWN to stop. There is a custom Web Browser as part of this APP, that includes LINKS to more AV Info, more AV Synce Movies, Chip Charts with explanation. This APP and the included ZIP file containing 8 Quicktime movie files (NTSC, PAL...), are used to set Video and Audio Sync on your Camera and Edit systems… also your Graphics systems, Digital Cinema theaters…. hundreds of uses, professional to consumer… including for WEB and MOBILE! Copy this APP's, ZIP File found in the iTunes "Apps", "File Sharing" window, to your edit, or graphics system, or any other system, for playback on those systems to check AV Sync, to your client monitor, you home theatre... whatever. The ZIP file contains 8 QuickTime Movie files (NTSC, PAL...) for HD projects (HDV codec) that work on any system, Mac, PC, Linux and etc. There also is an H264 file for use on UHD/HD TV's (for example) to major cinemas, using a USB Drive to playback from. CUSTOM WEB BROWSER INCLUDED – This APP also contains a complete, custom Web Browser with links to Google, YouTube and to WikiPedia and explanations of what AV Sync is all about and many other video/audio sync movies. If you have any questions, suggestions, or any comments at all, please email us. Sincerely, JOHNAVATAR.com Silicon Beach, CA 90402 USA Email: JohnAvatar@JohnAvatar.com
Teradek Bolt
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.
- Remote device pairing
- Firmware updates
- Spectrum analyzer
- Range finder
- 3D LUT selection
- Quality and range analysis
- Broadcast mode
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Bolt Manager App Manage every parameter of your Bolt 4K from the convenience of your smartphone. Pair units, update firmware, and configure all of Bolt 4K’s features (including spectrum analyzer, range finder, etc.) remotely and save time in production. Pairing - Pair transmitters and receivers right from your iPhone or iPad. Spectrum Analyzer - Bolt 4K receivers include a built-in 5GHz spectrum analyzer, allowing you to detect congestion in the area and determine which frequency offers the best performance your devices. Channel Selection - Manually select the 5GHz channel that’s best for your area or to abide by local wireless laws. Bolt 4K can also be set to operate over the 20MHz frequency for better wireless performance. Quality/Range Analyzer - See additional video quality and information about the distance between connected devices. Better understanding of range between Tx and Rx. Display more information about environment and distance between connected devices. Gives more information about signal quality, video quality and range between devices. Doesn’t tell you what the best signal is. 3D LUT Selection - Achieve the look you’re after with Bolt’s integrated 3D LUT technology. Quality Selection - Choose between Maximum Quality, Maximum Range and Balanced. This allows you to set your devices to operate just as you need them to on set. Broadcast Mode - Increase transmission and prevent multiple receivers from interfering with each other when placed close together. Currently, broadcast mode can increase broadcast range Output Format - Select the resolution and framerate of the video output in your Bolt receiver. Test Pattern - Output a test pattern from your Bolt receiver. Audio Settings - Enable a tone to ring when camera recording is triggered, or mute sounds from the Bolt. Display Settings - Adjust the lights on Bolt’s LCD display. System Info - Check the current firmware version and apply updates when available. Also perform factory resets directly from the app.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | HD AV SYNC + CAMERA CHIP CHART | Teradek Bolt |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 1.0 (1 ratings) | 1.8 (16 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 1 | 16 — better |
| Update frequency | Every 71 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.2 |
| Further details — not scored | ||
| Size | 25 MB | 30 MB |
| Age rating | 17+ | 4+ |
| Developer | John Avatar | Teradek |
Customer experience
HD AV SYNC + CAMERA CHIP CHART
Teradek Bolt
In-app purchases
HD AV SYNC + CAMERA CHIP CHART
No in-app purchases
Teradek Bolt
No in-app purchases
Questions
Is HD AV SYNC + CAMERA CHIP CHART free?
Is Teradek Bolt free?
Which has better reviews, HD AV SYNC + CAMERA CHIP CHART or Teradek Bolt?
Do HD AV SYNC + CAMERA CHIP CHART or Teradek Bolt have ads?
Which is updated more often, HD AV SYNC + CAMERA CHIP CHART or Teradek Bolt?
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