Smart Endoscope vs USB Camera to NDI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Endoscope
Connect select otoscopes and borescope models to your mobile device to control the device, capture photos, and record videos. Save your captured content directly to your phone. Requires camera permission for photo and video functions.
- Connects to otoscopes and borescopes
- Control device via mobile
- Capture photos
- Record videos
- Save content to device
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Smart Endoscope app connects select otoscopes and borescope models with your mobile device. The app gives you control of the otoscope or borescope with your mobile device. You can take photos or record videos and save that content to your mobile device with the app. You may need to give the app camera permission to take photos and videos. These are normal permission requests for an app to make. 【Automatic Renewal Membership Instructions】 1.Service Name: Smart Endoscope Premium Monthly Plan, Smart Endoscope Premium Annual Plan. 2.Price: $4.99 / month, $49.99 / year. 3.Accounts with auto-renewal enabled will be automatically charged via the iTunes account within 24 hours before the end of each billing period, and the membership validity will be extended by one month. 4.To cancel the subscription, please manually open your iPhone "Settings" → enter "iTunes Store & App Store" → tap "Apple ID", select "View Apple ID", enter the "Account Settings" page, tap "Subscriptions", choose "Smart Endoscope Premium", and cancel the subscription. If the subscription is not canceled at least 24 hours before the end of the current subscription period, it will be automatically renewed. 5.Payment Terms: https://d.gto.so/SmartEndoscope/premium_conditions.html 6.Privacy Policy: https://d.gto.so/SmartEndoscope/privacy_policy.html Disclaimer This application is not a medical app and is not intended for medical use. It must not be used for the diagnosis, treatment, cure, or prevention of any disease or medical condition. This app is intended for general inspection purposes only.
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
Smart Endoscope and USB Camera to NDI both sit at 3.8 stars, but that hides the real split: 46% of Smart Endoscope's written reviews are positive against 25% of USB Camera to NDI's. Smart Endoscope also leads on update cadence (fortnightly vs every 5 weeks) and ratings volume (631 vs 102). On price, rating, ads and in-app purchases 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. Smart Endoscope sells 2 in-app purchases, starting at $4.99 per month and USB Camera to NDI sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 3.8 for Smart Endoscope against 3.9 for USB Camera to NDI. That said, the two scores are not equally well evidenced: Smart Endoscope has 631 ratings behind it against 102, so its average is the more settled of the two. Written reviews are what separate them: 46% of Smart Endoscope's written reviews are positive against 25% of USB Camera to NDI's.
Smart Endoscope ships an update fortnightly, USB Camera to NDI every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Smart Endoscope | USB Camera to NDI |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (631 ratings) | 3.9 (102 ratings) — better |
| Positive reviews | 45.9% of reviews — better | 25.0% of reviews |
| Number of ratings | 631 — better | 102 |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 226 MB | 41 MB |
| Age rating | 17+ | 4+ |
| Developer | Grus IoT | TopDirector Corporation |
Customer experience
Smart Endoscope
USB Camera to NDI
Bugs and requests
Smart Endoscope
Reported bugs
5 issues- App crashes after recent update
- Inability to connect device to app
- Saved photos/videos not accessible
- Inconsistent performance across devices
- Activation code issues
Requested features
5 requests- Bluetooth connectivity option
- Improved app stability
- More device compatibility
- Better customer support
- Easier setup and pairing process
USB Camera to NDI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Smart Endoscope
- SmartEndoscope Premium Monthly1 Month trial$4.991 Month
- SmartEndoscope Premium Annual1 Month trial$49.991 Year
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 Smart Endoscope free?
Is USB Camera to NDI free?
Which has better reviews, Smart Endoscope or USB Camera to NDI?
Do Smart Endoscope or USB Camera to NDI have ads?
Which is updated more often, Smart Endoscope or USB Camera to NDI?
Other comparisons
