# Smart Endoscope vs USB Camera to NDI

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.

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.

## The numbers

| Metric | Smart Endoscope | USB Camera to NDI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (631 ratings)](https://appshunter.io/ios/app/smart-endoscope/id1540023976/reviews) | **[3.9 (102 ratings)](https://appshunter.io/ios/app/usb-camera-to-ndi/id6476429895/reviews)** |
| Number of ratings | **631** | 102 |
| Positive reviews | **45.9% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 226 MB | 41 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Grus IoT](https://appshunter.io/developer/1694634756) | [TopDirector Corporation](https://appshunter.io/developer/1581209934) |

## What reviewers say

### Smart Endoscope

[App page](https://appshunter.io/ios/app/smart-endoscope/id1540023976)

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.

**Highlights:** Connects to otoscopes and borescopes, Control device via mobile, Capture photos, Record videos, Save content to device

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartEndoscope Premium Monthly | $4.99 | per month |
| SmartEndoscope Premium Annual | $49.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🔍 Excellent image quality
- 🚑 Helpful for medical purposes
- 💡 Useful for home diagnostics
- 🔍 Clear and detailed visuals

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔌 Compatibility problems with newer devices
- 🔍 Image quality deterioration over time
- 🔒 Security/privacy concerns
- 🔧 Difficult setup process

**Reported bugs**

- 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**

- Bluetooth connectivity option
- Improved app stability
- More device compatibility
- Better customer support
- Easier setup and pairing process


### USB Camera to NDI

[App page](https://appshunter.io/ios/app/usb-camera-to-ndi/id6476429895)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Enable NDI Sending | $4.99 | one-time |
| Enable Recording and Snapshot | $9.99 | one-time |
| HDMI, ScreenMirroring, AirPlay | $9.99 | one-time |


## Frequently asked questions

### Is Smart Endoscope free?

Smart Endoscope is free to download, with in-app purchases available.

### Is USB Camera to NDI free?

USB Camera to NDI is free to download, with in-app purchases available.

### Which has better reviews, Smart Endoscope or USB Camera to NDI?

USB Camera to NDI is rated higher. Smart Endoscope averages 3.8 out of 5 from 631 ratings, while USB Camera to NDI averages 3.9 from 102 ratings.

### Do Smart Endoscope or USB Camera to NDI have ads?

Neither Smart Endoscope nor USB Camera to NDI shows ads.

### Which is updated more often, Smart Endoscope or USB Camera to NDI?

Smart Endoscope ships an update fortnightly, and USB Camera to NDI every 5 weeks. Most recently, Smart Endoscope was updated on November 3, 2026 and USB Camera to NDI on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*