# iPad/iPhone as a second display for Mac by USB #

Yam Display turns your iPad/iPhone into an external monitor for your Mac.

Wired by USB, browse documents or watch videos without delay.

Touch your Mac and pinch to zoom on beautiful retina display.

For multitasking enabled iPads, you can utilize every single pixel of your screen in Split View.

Drag and Drop between iPad and Mac will make the workflow more continuous (Plus feature).

Yam Display is fast, secure, simple and will help you improve your productivity.

Key Features:
- Minimal lag for browsing or video playback
- Energy efficient for static screens
- Retina display
- 60 FPS / 30 FPS
- Split View (iOS 9 or later)
- Pinch to zoom / Rotate / Scroll / Drag
- Touch Bar simulation (for any Mac with macOS Sierra 10.12.2 or later)
- Smart/Bluetooth keyboard input from iOS device

Plus Features (In-App Purchase):
- Drag and Drop between iPad and Mac (iOS 11 or later)

System Requirements:
- iOS devices with iOS 7.1 or later
- Macs with macOS 10.9 or later

Download app for Mac from: (free)
For any questions or suggestions:

What’s New

Version 1.5.9

Bug fixes for Smart/Bluetooth keyboard input.

Ratings and Reviews

4.2 out of 5
36 Ratings

36 Ratings

Al-the-squirrel ,

Works great; Better than Duet

This app is great. It works just as you'd expect. Not all resolutions are equally responsive, so if you see people complaining about lag, know that tuning resolution can solve this. This lag is just a factor of the hardware limitations of the USB connection, something that will affect all apps like this in the same way.

I've also used Duet display, which is more expensive than Yam, but Yam is much better. Yam has more resolution options, moderately better performance, and support for split-screen multitasking on supported iPads, a great feature that Duet lacks.
If you don't need to use this with windows, I highly suggest Yam over Duet.

Joyalol ,


After trying both YAM and DUET, I finally paid for YAM and is really satisfied with its performance. YAM kick down DUET both in resolution and reliability at least with my 12.9’ iPad Pro, retina is supported and its price is acceptable, subtle lags when scrolling contents is no problem with as I often use external screen for reading static PDFs.

The only problem I have is when I turn on and off YAM several times, the main screen brightness would be changed to the highest level, which is a bit annoying, hope you guys could fixed it.

Anyway, thank you for providing us such a good app, it greatly improves comfort of my work flow!

Eritoelloquito ,

Great app, but....

This app is really great. It works very well with my iPad mini, my iPad Pro and even with my iPhone X. Its’ smooth and very responsive, the latency is very low, no delay on the mouse or keyboard typing. I just would add support to more than 1 display if this is even possible. I do not know if there is any OS restriction, but that would be amazing. This app has saved my life since my MacBook Pro does not support the new SideCar that apple released because its “too old”. I am a software developer and working with only one display is a problem for me. Great work to the YamDisplay team.


Yamstu Inc.
4.2 MB

Requires iOS 7.1 or later. Compatible with iPhone, iPad, and iPod touch.


English, French, Japanese, Korean

Age Rating
In-App Purchases
  1. Drag and Drop


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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