HDMI vs USB Camera to NDI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HDMI
This app allows you to preview video from WiFi cameras on your mobile device. It supports various applications like visual fish finders, aerial devices, and industrial endoscopes. Enjoy low-delay image transmission and control features.
- WiFi camera support
- Video preview
- Mobile phone control
- Low image delay
- Password and name change
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Find.Cam is a common charting software, support WiFi camera in a variety of applications, such as visual fish finder, flight aerial device, industrial endoscope mirror, oral peep mirror video preview tool software that supports IOS system 1, support mobile phone camera, video features 2, support mobile phone control function 3, image low delay 4, support password and name change
USB Camera to NDI
This app allows you to monitor and convert UVC cameras to NDI streams in real-time. It supports various NDI formats, offers simultaneous recording to Photos, and can extend camera capabilities using HDMI adapters.
- Monitor UVC cameras for free
- Switch between multiple UVC cameras
- Real-time NDI conversion
- Supports FULL NDI, NDI HX H.264, NDI HX HEVC
- Record to Photos simultaneously
- NDI tally status indicator
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- Monitoring any UVC camera for free - Switch in multiple UVC cameras - Audio UV meters included - Record to Photos simultaneously - Converts UVC camera to NDI in real-time, supports FULL NDI, NDI HX H.264, NDI HX HEVC - NDI tally status indicator - Use HDMI -> USB adapter to extend more traditional cameras, no longer need an expensive HDMI-NDI converter any more - Use a USB-C adapter with HDMI output for external full-screen monitoring - Use Apple TV, Google TV Stick or Amazon Fire TV Stick for wireless AirPlay monitoring
Screenshots
Verdict
The clearest difference is rating: USB Camera to NDI at 3.9 against HDMI's 2.3. USB Camera to NDI also leads on ratings volume (102 vs 6) and update cadence (every 5 weeks vs every 3 months). HDMI's advantage is in-app purchases (none vs 4) and review sentiment (33% vs 25%). 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. USB Camera to NDI sells 4 one-off in-app purchases. HDMI asks for nothing beyond the download.
USB Camera to NDI holds the better App Store score, 3.9 against 2.3. That said, the two scores are not equally well evidenced: USB Camera to NDI has 102 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 33% of HDMI's written reviews are positive against 25% of USB Camera to NDI's, so the app with the better star average is not the one people write more warmly about.
HDMI ships an update every 3 months, USB Camera to NDI every 5 weeks. The most recent releases landed on October 7, 2026 and October 23, 2026 respectively.
| Parameter | HDMI | USB Camera to NDI |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (6 ratings) | 3.9 (102 ratings) — better |
| Positive reviews | 33.3% of reviews — better | 25.0% of reviews |
| Number of ratings | 6 | 102 — better |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 6.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 21 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | 迪夫 刘 | TopDirector Corporation |
Customer experience
HDMI
USB Camera to NDI
In-app purchases
HDMI
No in-app purchases
USB Camera to NDI
- Remove Ads$0.99
- Enable NDI Sending$4.99
- Enable Recording and Snapshot$9.99
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- HDMI, ScreenMirroring, AirPlay$9.99
Questions
Is HDMI free?
Is USB Camera to NDI free?
Which has better reviews, HDMI or USB Camera to NDI?
Do HDMI or USB Camera to NDI have ads?
Which is updated more often, HDMI or USB Camera to NDI?
Other comparisons
