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Duet Display App for iOS (iPhone & iPad) Expired

$10
+68 Deal Score
41,828 Views
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 09:00 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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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.
·
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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Joined Dec 2007
L3: Novice
> bubble2 220 Posts
22 Reputation
fbm111
12-18-2017 at 05:45 AM.
12-18-2017 at 05:45 AM.
Worth every penny if you want to use your iPad as a secondary display.
Reply
Joined Aug 2015
L2: Beginner
> bubble2 32 Posts
14 Reputation
euuser5802345
12-18-2017 at 07:06 AM.
12-18-2017 at 07:06 AM.
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.
Reply
Joined Apr 2013
L5: Journeyman
> bubble2 571 Posts
124 Reputation
AaronA7627
12-18-2017 at 07:11 AM.
12-18-2017 at 07:11 AM.
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.
Reply
Joined Aug 2010
Proud Noob
> bubble2 984 Posts
538 Reputation
mgherter
12-18-2017 at 07:23 AM.
12-18-2017 at 07:23 AM.
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.
Reply
Joined Jun 2004
L6: Expert
> bubble2 1,376 Posts
394 Reputation
brianlovesmoney
12-18-2017 at 07:31 AM.
12-18-2017 at 07:31 AM.
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.
Reply
Joined Jan 2014
L6: Expert
> bubble2 1,401 Posts
118 Reputation
sabry
12-18-2017 at 07:32 AM.
12-18-2017 at 07:32 AM.
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
Reply
Joined Nov 2012
L3: Novice
> bubble2 181 Posts
81 Reputation
superuser1
12-18-2017 at 07:34 AM.
12-18-2017 at 07:34 AM.
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
Last edited by superuser1 December 18, 2017 at 07:38 AM.

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Joined Jan 2014
L6: Expert
> bubble2 1,401 Posts
118 Reputation
sabry
12-18-2017 at 07:39 AM.
12-18-2017 at 07:39 AM.
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)
Reply
Joined Dec 2006
L6: Expert
> bubble2 1,268 Posts
100 Reputation
z3razerviper
12-18-2017 at 07:41 AM.
12-18-2017 at 07:41 AM.
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.
Reply
Joined Nov 2012
L3: Novice
> bubble2 181 Posts
81 Reputation
superuser1
12-18-2017 at 07:50 AM.
12-18-2017 at 07:50 AM.
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.
Reply
Last edited by superuser1 December 18, 2017 at 07:52 AM.
Joined Nov 2012
L2: Beginner
> bubble2 38 Posts
18 Reputation
tw0bears
12-18-2017 at 08:20 AM.
12-18-2017 at 08:20 AM.
Gave my 2nd gen iPad a new life. Love it, use it all the time.
Reply
Joined May 2013
L4: Apprentice
> bubble2 322 Posts
53 Reputation
bubbybobble
12-18-2017 at 08:36 AM.
12-18-2017 at 08:36 AM.
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?
Reply
Joined Oct 2013
L3: Novice
> bubble2 114 Posts
10 Reputation
JohnC1098
12-18-2017 at 09:00 AM.
12-18-2017 at 09:00 AM.
Nice. I bought this for $15. Works well on macbook pro, I use the iPad for terminal
Reply
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