Photo & Video / Webcam Utility

Turn your iPhone into a high-quality webcam for Windows.

Tethr lets you use your iPhone camera for video calls, streaming, and recording through a simple USB connection to your Windows PC.

Requires the free Tethr companion app for Windows. The iPhone app sends the camera feed to the Windows app, which makes Tethr available to other software.

Download on the App Store
Coming soon
Download Tethr for WindowsInstall Apple Devices from Microsoft StorePrivacy Policy
Tethr app icon

Screenshots

Use your iPhone camera on Windows.

Connect over USB, control your shot, and select Tethr as your webcam in the apps you already use.

Tethr iPhone camera and Windows companion app working together
Tethr low-latency USB connection between iPhone and Windows
Tethr Windows companion app camera controls

Highlights

What Tethr is built for.

🎥

Studio-quality video

Use the camera you already carry for a sharper, more professional image than most built-in or USB webcams.

🔌

Connects over USB

A direct cable connection keeps setup simple, dependable, and private without sending your feed through the cloud.

Low latency

The local connection is designed for responsive video calls, live streams, and recordings.

4K

Up to 4K

Take advantage of your iPhone camera with support for high-resolution video up to 4K.

🔒

Private by design

Video travels directly from your iPhone to your own PC and is never uploaded to Varda servers.

Works with your webcam apps

Use Tethr with OBS, Discord, Zoom, Teams, Google Meet, browsers, and other software that accepts a webcam.

PC controls

Shape the image from your computer.

Tethr gives you practical controls on the Windows companion app, so you can tune the camera without reaching for your phone.

Flip

Mirror the feed when your workflow calls for it.

Rotate

Set the correct camera orientation.

Zoom

Frame the shot from your PC.

Brightness

Adjust exposure for your room.

Contrast

Balance separation between light and dark.

Saturation

Fine-tune color intensity.

Sharpness

Control the crispness of the image.

Simple setup

From iPhone to webcam in four steps.

01

Install Tethr on Windows

Download and install the free Tethr companion app on your PC.

02

Open Tethr on iPhone

Launch the Tethr camera app on your phone.

03

Connect with USB

Connect iPhone to PC and tap “Trust This Computer” when prompted.

04

Select Tethr

Choose “Tethr” as the camera in your video, streaming, recording, or browser app.

Requirements

What you need to use Tethr.

Windows companion required

The iPhone app sends its camera feed to the free Tethr app running on your PC.

Windows 11 recommended

Tethr is designed for a modern Windows setup.

USB cable required

The current release connects over a physical USB cable.

Apple device support

Install Apple Devices or iTunes so Windows can communicate with your iPhone.

Video only

Tethr sends camera video and does not transmit audio.

No Mac companion yet

A macOS companion app is not currently available.

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