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Duet Display App for iOS (iPhone & iPad)

$10
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Apple iTunes has Duet Display App for iOS (iPhone & iPad) on sale for $9.99. Thanks AllNegotiable

Note, must have an iTunes account in order to download app. Designed for use with and requires the free Duet Display Mac/PC client application to function.
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Edited December 18, 2017 at 08:00 AM by
Duet Display for iOS $9.99 @ iTunes (Use iPad or IPhone as 2nd Display for PC / Mac)
Duet Display [apple.com [apple.com]] $9.99

Use with the free Duet Display [duetdisplay.com [duetdisplay.com]] client application for Mac / PC to turn your iPad or iPhone into a secondary computer display (connected via lightning cable).

iTunes [apple.com]

Matches all but one previous FP deals that was at $7.99. Been waiting for this to go on sale for a few months, hope it helps someone.

Store: Apple iTunes
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Created 12-18-2017 at 04:08 AM by AllNegotiable
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61 Comments

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Featured Comments

This app sucks. I didn't expect it to be perfect—I knew that it wouldn't be—but I did expect it to be reasonably snappy and responsive. Instead, the frame rate is consistently lower than 30 FPS, even on the 60 FPS setting, and the desktop drivers introduce graphical artifacts and other issues. Moreover, the desktop client uses quite a lot of CPU time and noticeably slowed down my machine despite the fact that I have a relatively high-end CPU. In the end, this is worse for my use case (a second display for referencing information, mostly text-based websites) than a virtual monitor and VNC or RDP, all of which are free and can be used wirelessly.

tl;dr: It works, and I'm sure plenty of people will be happy with it, but I'm not interested in paying even $1 for something that doesn't work as well as the free option.
11 Helpful?
Worth every penny if you want to use your iPad as a secondary display.
6 Helpful?
I use Duet almost every day. I take it to meetings where I am projecting, mirror my laptop display to the projector and use my iPad as a private second screen to do things on it, while everyone is watching my laptop screen on the projector.

I use it anywhere else I need to get some work done. I am a developer and screen real state is king to getting things done for me.

I even changed my laptop purchasing habits because of this app! I used to only get Laptops with 17" displays. They are significantly more bulky, but I could have used the screen resolution. Instead, now with Duet my last Laptop (I just bought) is now a 15" Laptop (ASUS Vivobook) and I just use Duet and my iPad to have the screen real state I need. I am addicted to this app!

I use Duet with:
2009 Macbook Pro 17"
Dell Inspiron 17"
HP Elitebook 14"
ASUS Vivobook 15"

I noticed people complaining about frame rates. I've never had any problems with what I do, but occasionally the mouse won't respond as fast or something, but most of the time I do not notice a difference between the Laptop's display vs the iPad's display. However I do not use it to play games. I'm guessing game play is probably not a good use case for Duet. (I do watch video's on it occasionally though and that also seems okay)
5 Helpful?

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#3
Worth every penny if you want to use your iPad as a secondary display.
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#4
Quote from fbm111
:
Worth every penny if you want to use your iPad as a secondary display.
Doesn't work wirelessly over WiFi - I recommended Astropad if anyone needs a second screen and the freedom to move around with it.
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#5
Have this, Love this, a no-brainer if a 2nd screen on the go is your goal. Especially awesome when using a Surface Pro and a 12.9' iPad.
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#6
I am wrestling with getting this....could I use this with a raspberry pi? We own zero computer monitors so if I am working on one of my many pi boxes I have to take it to a TV. Being able to hook to an iPad would be awesome.
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#7
Quote from mgherter
:
I am wrestling with getting this....could I use this with a raspberry pi? We own zero computer monitors so if I am working on one of my many pi boxes I have to take it to a TV. Being able to hook to an iPad would be awesome.
If it was possible then it wouldn't function in the way you probably want. IE during load it wouldn't have anything to show. Be better off getting a cheap screen. Another option is a tv with HDMI input. That's how I used to have mine hooked up for the times when I was having issues with it.
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#8
Thanks was waiting for Astropad to drop in price but seems stuck on 29.99,tried to sketch using Apple Pencil and didn't notice that lag so all good,also you have the option to upgrade to Pro
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#9
This app sucks. I didn't expect it to be perfect—I knew that it wouldn't be—but I did expect it to be reasonably snappy and responsive. Instead, the frame rate is consistently lower than 30 FPS, even on the 60 FPS setting, and the desktop drivers introduce graphical artifacts and other issues. Moreover, the desktop client uses quite a lot of CPU time and noticeably slowed down my machine despite the fact that I have a relatively high-end CPU. In the end, this is worse for my use case (a second display for referencing information, mostly text-based websites) than a virtual monitor and VNC or RDP, all of which are free and can be used wirelessly.

tl;dr: It works, and I'm sure plenty of people will be happy with it, but I'm not interested in paying even $1 for something that doesn't work as well as the free option.
Reply Helpful Comment? 13 2
Last edited by superuser1 December 18, 2017 at 06:38 AM.

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#10
Quote from superuser1
:
This app sucks. I didn't expect it to be perfect—I knew that it wouldn't be—but I did expect it to be reasonably snappy and responsive. Instead, the frame rate is consistently lower than 30 FPS, even on the 60 FPS setting, and the desktop drivers introduce graphical artifacts and other issues. Moreover, the desktop client uses quite a lot of CPU time and noticeably slowed down my machine despite the fact that I have a relatively high-end CPU. In the end, this is worse for my use case (a second display for referencing information, mostly text-based websites) than a virtual monitor and VNC or RDP, all of which are free and can be used wirelessly.

tl;dr: It works, and I'm sure plenty of people will be happy with it, but I'm not interested in paying even $1 for something that doesn't work as well as the free option.
Pc or Mac?im using MacBook 12" which has fanless M5 intel processor 8GB,and so far no issues or slowdown with Finalcut,PS or affinity (all open at the same time)
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#11
Does an sli config still totally break a pc when installing the pc portion of this software. Las time I went to test this I had to do a system restore.
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#12
Quote from sabry
:
Pc or Mac?im using MacBook 12" which has fanless M5 intel processor 8GB,and so far no issues or slowdown with Finalcut,PS or affinity (all open at the same time)
Latest 15" MacBook Pro with an i7-7820HQ. It's only under certain circumstances but it's noticeable on my end. I use the machine for software development so our workflows are very different. It's not a big deal, but as I said it is noticeable. I have no issue with simply using VNC and the performance the same for my purposes (actually better as there are no graphical artifacts and it uses less resources).

I think this app is simply encoding/compressing an image on the fly and sending it via USB to the iPad client app, but the USB connection is actually running at USB 2.0 speeds (IIRC), and so it taxes your machine somewhat but the end result isn't much better than the alternatives IMO.
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Last edited by superuser1 December 18, 2017 at 06:52 AM.
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#13
Gave my 2nd gen iPad a new life. Love it, use it all the time.
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#14
Quote from superuser1
:
Latest 15" MacBook Pro with an i7-7820HQ. It's only under certain circumstances but it's noticeable on my end. I use the machine for software development so our workflows are very different. It's not a big deal, but as I said it is noticeable. I have no issue with simply using VNC and the performance the same for my purposes (actually better as there are no graphical artifacts and it uses less resources).

I think this app is simply encoding/compressing an image on the fly and sending it via USB to the iPad client app, but the USB connection is actually running at USB 2.0 speeds (IIRC), and so it taxes your machine somewhat but the end result isn't much better than the alternatives IMO.
Is there anything you would suggest instead?
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#15
Nice. I bought this for $15. Works well on macbook pro, I use the iPad for terminal
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