InspectCam™Compatibility
Do USB borescopes work with an iPhone? Not the standard kind
Not a standard one. Standard (UVC) USB borescopes don't work with any iPhone, even USB-C models from the iPhone 15 on: Apple supports external UVC cameras on iPads with USB-C only. Scopes sold specifically for iPhone work only in their maker's app; otherwise, use a Wi-Fi borescope. On Android, a phone with USB OTG reads standard scopes directly.
By , developer of InspectCam™ · Published · Last updated
The question is commonly answered with qualifications. Products are listed as "iOS compatible" when the compatible part of the kit is a Wi-Fi module rather than the USB probe, and answers written before the iPhone had a USB-C port are still in circulation.
Apple documents the feature, and documents it for iPad only.
What Apple's documentation says
Apple introduced external camera support in iPadOS 17. Its WWDC 2023 session on the feature puts it plainly:
"iPads with USB-C connectors support external cameras."
Apple, WWDC 2023, Support external cameras in your iPadOS app
Apple's API reference for these devices says the same: "On iPad, external devices are those that conform to the UVC (USB Video Class) specification." Neither source describes the feature on iPhone. When a developer asked about iPhone on Apple's developer forums, another developer summed it up by pointing to that session: "External UVC devices are only supported on iPads with USB C connectors" (thread 780200).
UVC (USB Video Class) is the standard a USB borescope uses to present itself as a camera. If iOS on iPhone does not enumerate UVC devices, then no UVC borescope, adapter or app will produce an image on one. Apple's documentation scopes the support to iPads with USB-C connectors.
The single biggest source of confusion since the iPhone 15 is the assumption that a USB-C port means USB-C peripherals. It doesn't. The port is the same shape as the iPad's and carries the same physical protocol, but the software layer that would accept a UVC camera is present on iPadOS and absent on iPhone.
Your USB-C scope will plug into an iPhone 15, 16 or 17 perfectly. It will draw power. Its LEDs may even light. You will not get a picture.
What works where
Every combination, stated plainly.
| Device | USB-C / micro-USB scope | Wi-Fi scope | Notes |
|---|---|---|---|
| iPhone (USB-C, 15 and later) | No | Yes | Port fits, no UVC support in iOS. Wi-Fi scope is the only route. |
| iPhone (Lightning, 14 and earlier) | No | Yes | Needs an adapter even to plug in, and still no UVC support behind it. |
| iPad (USB-C) | Yes | Yes | The one Apple device Apple says supports external UVC cameras. |
| iPad (Lightning) | No | Yes | Apple's support statement is explicitly limited to USB-C iPads. |
| Android phone with USB OTG | Yes | Yes | Needs a UVC-compliant scope, a data-capable cable and a viewer app. |
| Android phone without OTG | No | Yes | Rare on modern phones. Host mode can't be added in software. |
Two qualifications apply to the Android rows. The scope has to be UVC-compliant: some models use a proprietary protocol and work only with the maker's own app. And the cable has to carry data; many bundled cables carry power only. Both are covered on the Android troubleshooting page.
So what do you actually do?
If you must use an iPhone: buy a Wi-Fi scope
A Wi-Fi borescope has a battery-powered transmitter that creates its own wireless network. The iPhone joins that network and views the stream through the maker's app. No USB is involved, so Apple's restriction does not apply. Unless your scope is sold specifically for iPhone, this is the route that works.
The trade-offs:
- Latency. A visible lag between moving the probe and seeing it move: usually a fraction of a second, occasionally worse. Fine for looking, irritating for fishing a cable through a cavity.
- A battery to charge. The transmitter is a device that runs flat, typically after a couple of hours.
- App quality. You're locked to the manufacturer's iOS app with no alternative, and in this category those apps are often years out of date.
- Interference. Metal structures, plant rooms and dense 2.4 GHz environments degrade the link exactly where you most need it.
If you already own a USB scope: use an Android phone
An Android phone with USB OTG reads a UVC scope directly over the cable: no transmitter battery, no pairing, and no perceptible latency. A spare Android phone used only as a scope viewer needs neither a SIM nor a data plan for this.
If you're buying now and own an iPhone
The Wi-Fi model is the one that will work, unless the wired one is sold specifically for iPhone with its own iOS app. Check the last-updated date of the seller's iOS app before buying: an app that is no longer maintained can stop working after an iOS update, and there is no alternative app for a proprietary scope.
Compatibility by model
The scopes we've tested on an Android phone are on the compatibility list. If you'd like us to know which scope you own, tell us. If you inspect for a living, see who InspectCam™ is for.
Claims you'll see that aren't true
"This adapter makes USB borescopes work on iPhone"
No adapter can. An adapter changes the connector, not what iOS is willing to enumerate. Apple's Camera Adapter passes still images and video from cameras that speak the photo-transfer protocol; a borescope is a live UVC video device, which is a different thing entirely.
"It says iOS compatible on the box"
Usually true of the package, not the USB probe, because a Wi-Fi module is in the box too, or because the seller means iPad. Read which specific part of the kit the iOS claim attaches to.
"It'll work once Apple adds support"
USB-C shipped on the iPhone in 2023 and the restriction remains in place as of the last-updated date above. Apple has not announced a change. Treat any purchase as depending on current behaviour, not future behaviour.
"It works on my iPhone" in a review
Usually a Wi-Fi model, or an iPad. If you have a documented case of a USB UVC borescope producing live video on a stock iPhone, send it in and this page will be corrected with the date of the change.
Questions people ask
Does the iPhone 15's USB-C port work with USB cameras?
Not with UVC cameras, which is what most borescopes are. Apple documents external UVC camera support only for iPads with USB-C connectors. The iPhone's port is physically identical and will supply power, but iOS will not open the video stream. Some scopes are sold specifically for iPhone and connect by cable. Those work only inside their maker's own app, because they use Apple's MFi accessory programme rather than UVC — the UseePlus iOS app, for one, describes itself as control software for MFi devices connected by USB. We have not tested one.
Can any app make a USB borescope work on iPhone?
No. The limitation is at the operating-system level, below anything an app is allowed to touch. Any App Store listing claiming to do this is either targeting iPad or referring to Wi-Fi scopes.
Do USB borescopes work on iPad?
Yes, on iPads with a USB-C connector: that's exactly the case Apple says is supported. Lightning iPads are not included.
What's the best borescope for iPhone?
A Wi-Fi one, unless you find a wired model sold specifically for iPhone with its own iOS app. For a standard scope Wi-Fi is the route that works, so the real questions are whether the transmitter's battery life suits your job and whether the maker's iOS app is still being updated. Check the app's last-updated date on the App Store before you buy.
Why do borescopes work on Android but not iPhone?
Android supports USB host mode and exposes USB video devices to apps, so a viewer app can open the stream directly. iOS does not expose external UVC cameras to apps on iPhone. It's a platform policy difference, not a hardware one.
Sources: Apple, WWDC 2023, Support external cameras in your iPadOS app; Apple's AVCaptureDevice external device type reference; Apple Developer Forums, thread 780200 (a developer's reply, not Apple staff). If Apple's position changes, this page will be updated and the last-updated date will record when.
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