TopDirector (NDI,SRT,UVC,RTSP) vs MultiCameraSync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TopDirector (NDI,SRT,UVC,RTSP)
This app allows users to switch between multiple video sources, including external cameras and built-in device cameras, for live streaming and recording. It offers advanced features like real-time transitions, overlays, picture-in-picture effects, and remote control capabilities.
- Multicam switching (up to 9 inputs)
- Supports NDI, SRT, UVC, RTSP protocols
- Real-time transitions and playback
- Customizable overlays (titles, logos, clock)
- Picture-in-picture effects
- Remote title overlay via LAN
- Live sports slow-motion playback
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- Up to 9 inputs could be TopDirectorCam or any other external A/V sources that support NDI, NDI HX, SRT and RTSP protocols - Up to 4 UVC(USB -> HDMI) camera inputs on iPadOS 17 - Start all the built-in cameras on the iPhone/iPad simultaneously (Pro Max models could have up to 4 cameras, the earlier models could only choose one between the front and rear cameras) - Real-time transition among the external inputs, built-in cameras, and media in the Photo Library - Full Screen External HDMI & Wireless AirPlay via Screen Mirroring/AirPlay - Use the RTMP protocol which is used by most of the video platforms to 3 channel live streams, local record for backup, NDI or NDI|HX output at the same time - No need for cumbersome timeline operations, real-time playback to edit, getting video post-production easily - Valuable background music feature to easily create electronic albums with the Ken Burns special effects of photos - Customized and unlimited vector title and shape overlay with professional safety Down Stream Key(DSK) control - Independent and unlimited layers of translucent logo overlay and clock, countdown, and scoreboard - Support TopDirectorTitle App for remote title overlay via LAN, suitable for complex subtitle operations in live broadcasting - Perfectly embedded Apple Pencil (or use finger on the iPhone) to realize online sketch comments - Picture-in-picture effects for remote interviews, online teaching, video conferencing, etc, fully customizable video source, window size and position, distortion, dynamic background, edges, reflections, blur, and more - Used in conjunction with TopDirectorCam app for real-time slow-motion playback of live sports games - All operations support unlimited Undo and automatic alignment snap feature that all the professional people needed - Support the TALLY feature to mark the current PGM camera when switching among multiple cameras - Unique security protection keep maintaining output even in the background - No need to register, no any other subscription fees, one-time purchase for lifetime use Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
MultiCameraSync
Easily synchronize multiple iPhones for simultaneous recording. Control all cameras from a single device, ensuring perfectly timed footage from every angle. Ideal for live events and multi-angle video capture.
- Synchronize multiple iPhones
- Control all cameras from one device
- Simultaneous start/stop recording
- Preview footage from each camera
- Customize individual camera settings
- Intuitive and user-friendly interface
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Have you ever been in a situation where you needed to capture footage from multiple angles but couldn't coordinate the cameras properly? Maybe you've tried using multiple smartphones to capture a live event, but the footage ended up looking disjointed and out of sync. Well, those days are over thanks to our revolutionary new app for iOS. Our app is the ultimate multi-camera control solution, allowing you to synchronize multiple iPhones and control all the cameras simultaneously from one device. This app is perfect for videographers, live event organizers, and anyone who needs to capture footage from multiple angles at once. With our app, you can easily connect multiple iPhones together and control all the cameras with just a few taps on your primary device. No more running around trying to get everyone to start and stop their cameras at the same time. Our app ensures that all the cameras start and stop recording at the exact same time, so you can be confident that you're capturing synchronized footage from every angle. One of the key features of our app is its ease of use. We've designed the app to be intuitive and user-friendly, so you can get started right away without any hassle. All you need to do is download the app on all the iPhones you want to connect, and then follow a few simple steps to synchronize them together. Once the iPhones are connected, you can start and stop all the cameras simultaneously from your primary device. You can even preview the footage from each camera on your primary device's screen, so you can make sure that everything is set up correctly before you start recording. Our app is also highly customizable, allowing you to control a wide range of settings for each camera. You can adjust the exposure, focus, and other settings on each camera individually, or you can apply the same settings to all the cameras at once. This gives you the flexibility to create the exact look and feel you're going for, without having to worry about adjusting each camera manually. In addition to its powerful features, our app is also incredibly reliable. We've spent countless hours testing and refining our app to ensure that it works flawlessly every time. We understand that when you're capturing important footage, you need to be able to rely on your equipment to work properly. With our app, you can be confident that everything will work exactly as it should, every time. Finally, our app is backed by a team of dedicated professionals who are committed to providing the best possible experience for our users. If you ever have any questions or run into any issues while using our app, our support team is always available to help. We pride ourselves on providing exceptional customer service and support, and we're always looking for ways to improve our app and make it even better. In conclusion, our app is the ultimate multi-camera control solution for iOS. With its intuitive interface, powerful features, and reliable performance, it's the perfect tool for anyone who needs to capture synchronized footage from multiple angles. Whether you're a professional videographer, a live event organizer, or just someone who wants to capture a special moment from every angle, our app is the perfect tool for the job. Download it today and start capturing footage like never before!
Screenshots
Verdict
The clearest difference is rating: TopDirector (NDI,SRT,UVC,RTSP) at 4.1 against MultiCameraSync's 1.0. TopDirector (NDI,SRT,UVC,RTSP) also leads on review sentiment (38% vs 0%) and update cadence (every 10 days vs every 2 months). MultiCameraSync's advantage is in-app purchases (none vs 10) and iOS requirement (14.0 vs 17.6). On price, 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
Both are free to download. TopDirector (NDI,SRT,UVC,RTSP) sells 10 in-app purchases, starting at $49.99 per year. MultiCameraSync asks for nothing beyond the download.
TopDirector (NDI,SRT,UVC,RTSP) holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: TopDirector (NDI,SRT,UVC,RTSP) has 114 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 38% of TopDirector (NDI,SRT,UVC,RTSP)'s written reviews are positive against 0% of MultiCameraSync's.
TopDirector (NDI,SRT,UVC,RTSP) ships an update every 10 days, MultiCameraSync every 2 months. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.
| Parameter | TopDirector (NDI,SRT,UVC,RTSP) | MultiCameraSync |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (114 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 37.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 114 — better | 1 |
| Update frequency | Every 10 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPod, Apple Watch — better |
| Requires iOS | 17.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 98 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | TopDirector Corporation | Ignacio Orona |
Customer experience
TopDirector (NDI,SRT,UVC,RTSP)
MultiCameraSync
Bugs and requests
TopDirector (NDI,SRT,UVC,RTSP)
Reported bugs
17 issues- Crashes at opening on iPad Pro M2
- iPad camera always 30fps despite correct config
- App freezes when syncing iPad Pro with iPhone
- App crashes every time after latest update
- App won't open if 'Don't allow' is selected for album access
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- NDI streaming to another computer does not work
- Cannot choose save location for recorded files (reverts to camera roll, renames/changes resolution)
- SRT does not work
- SRT output livestream not supported
- Audio of video clips does not work
- Audio does not work
- Video playback only works for clips under 10 seconds
- App crashes when feeding in 5 to 6 cameras
- App randomly crashes
- Tally does not work
- No audio from iPhones via NDI
- App crashes on launch after update
Requested features
19 requests- PIP templates with square or round screens
- Scrolling text in overlays
- Ability to replay, back-forward, adjust speed, freeze
- RTMP input support
- OSC control for Stream Decks
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- Tutorials on optimal NDI usage
- Add a next cam option
- Better character generator
- Fix video playback for clips over 10 seconds
- Improve bitrate for YouTube streaming
- Add SRT output support
- Improve audio functionality
- More intuitive wireless camera setup
- Provide how-to videos or tutorials
- Allow recovery of previously purchased features
- Implement a trial period
- Fix tally functionality
- Add audio support for NDI streams
- Improve output section stability
MultiCameraSync
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TopDirector (NDI,SRT,UVC,RTSP)
- Unlock All Features$49.991 Year
- NDI and TALLY$4.99
- Enable USB(UVC) Camera Input$4.99
- Screen Mirroring/AirPlay$9.99
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- PTZ Camera Control$9.99
- Picture in Picture Watermark$14.99
- Logo and Background Music$14.99
- Video Scopes, Color Grading$14.99
- UTitle, Title, NTitle, SuperFG$14.99
- Unlimited PGM Duration$14.99
MultiCameraSync
No in-app purchases
Questions
Is TopDirector (NDI,SRT,UVC,RTSP) free?
Is MultiCameraSync free?
Which has better reviews, TopDirector (NDI,SRT,UVC,RTSP) or MultiCameraSync?
Do TopDirector (NDI,SRT,UVC,RTSP) or MultiCameraSync have ads?
Which is updated more often, TopDirector (NDI,SRT,UVC,RTSP) or MultiCameraSync?
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