HD AV SYNC + CAMERA CHIP CHART vs V4M
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
V4M
Create dynamic live visuals for DJ sets and streams. Mix multiple layers of video, images, and text, with options to import your own content. Output to external displays for professional-looking events.
- Live visual mixing
- Multiple mixable layers (video, image, text)
- Import custom content (PRO subscription)
- Output to TV/projectors
- Over 30 free video loops
- Customizable text display
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Mix visuals live like a professional VJ on your iPhone or iPad with “V4M: Visuals for Music”, the VJ app that pushes your device to the limit. With a Lightning Digital AV Adapter or via wireless Apple TV sync you can even cast your live output video to your TV, club projectors or festival LED walls! V4M is the only visual mixing VJ app on the App Store that has been used to mix professional visuals at ALL of these locations (and we can prove it—because it was filmed in action at all of them!): — Prestigious Clubs’ LED walls — Multiple Pubs and Bars — Giant Festival Projector Screens — Live Streaming backdrop on real Radio Shows and DJ Sets Especially ideal for DJs that film and stream their live sets from home or from their studio and want to have some dynamic visuals in the background, bouncing and reacting to the music they’re playing, but don't want to buy all the expensive VJ kit and visual mixers! Just connect the V4M mix to a TV screen or projector in the background to turn the stream into an epic set! V4M is suitable to deliver a semi-professional VJ mix for any live event or concert, but at the same time it is so easy to use that any amateur can turn their house party into a truly memorable gig. ######################### NEW FEATURE ADDED! for all *V4M PRO* users: ######################### MIX YOUR OWN CONTENT from your device’s gallery! Subscribe to V4M PRO and import your own videos, images & logos into the mix!!! ######################### If you’d like to dive into the app’s controls and features, then let’s get technical... Your interface includes up to five mixable layers that blend into the final output: two video channels, one image layer, one text layer, and a special effects button-pad. What can you do in each mixing channel? — 2 VIDEO MIXING CHANNELS — Each video channel has intuitive sliders to control speed, opacity, and sensitivity. You can also assign blend modes and layer styles to shape your visuals exactly the way you want. The app includes over 30 exclusive video loops for free, and a Video Shop where you can browse and purchase additional Video Loop Packages from an ever-expanding library. This allows you to build a custom collection that matches your unique style. With the latest update, users with a PRO subscription can also import their own video content—unlocking endless creative possibilities with a library made entirely by you. — 1 IMAGE CHANNEL — The image layer includes six free image packages (over 100 images) that can be mixed into your output video. You can adjust the size, opacity, and sensitivity of your chosen image, which appears above the video layers. For themed events, visit the Image Shop to discover more packs. And if you’d like to use your own logos or custom graphics, subscribe to V4M PRO. — 1 TEXT CHANNEL — Display any custom text directly on your screens. You can edit the size, color, and font style from a curated selection of modern typographies, and control the layer’s sensor and opacity sliders for dynamic, real-time effects. — 1 SPECIAL EFFECTS BUTTON-PAD — V4M comes with 20 free special effects that make live mixing even more exciting. The button-pad on the main screen features seven effect buttons, and you can choose which effects to assign from the FX+ selection window. Simply drag your chosen effects to the buttons, save your setup, and perform. The effects are applied live to your full visual output. If, despite all these possibilities, you still feel you’re missing a game-changing feature for your visual sets, contact the Visuals 4 Music team and share your ideas. You might just see your suggestion appear in a future update! Legal notice: when downloading the V4M app, you confirm that you understand and accept our Privacy Policy (https://visuals4music.com/privacy-policy/) and our Terms of Use (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/). Happy mixing!
Screenshots
Verdict
The clearest difference is review sentiment: V4M at 100% against HD AV SYNC + CAMERA CHIP CHART's 0%. V4M also leads on price (Free vs $4.99) and update cadence (every 4 months vs every 71 months). HD AV SYNC + CAMERA CHIP CHART's advantage is in-app purchases (none vs 11) and iOS requirement (12.0 vs 17.2). On ads 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
V4M is free to download; HD AV SYNC + CAMERA CHIP CHART costs $4.99 up front. V4M sells 11 in-app purchases, starting at $19.99 per month. HD AV SYNC + CAMERA CHIP CHART asks for nothing beyond the download.
HD AV SYNC + CAMERA CHIP CHART ships an update every 71 months, V4M every 4 months. The most recent releases landed on June 8, 2026 and June 1, 2026 respectively.
| Parameter | HD AV SYNC + CAMERA CHIP CHART | V4M |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 71 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 25 MB | 9 MB |
| Age rating | 17+ | 12+ |
| Developer | John Avatar | Ieva Voskane |
Customer experience
HD AV SYNC + CAMERA CHIP CHART
V4M
In-app purchases
HD AV SYNC + CAMERA CHIP CHART
No in-app purchases
V4M
- V4M Professional Plan$19.991 Month
- FREE Halloween Sample Teaser 1Free
- Sound Pictograms Megapack$0.99
- Abstract Colors vol.1$4.99
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Questions
Is HD AV SYNC + CAMERA CHIP CHART free?
Is V4M free?
Do HD AV SYNC + CAMERA CHIP CHART or V4M have ads?
Which is updated more often, HD AV SYNC + CAMERA CHIP CHART or V4M?
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