Mirmir iOS 8.4 multitasking tweak

Mirmir (formerly Mimir) is a new jailbreak tweak by Ethan Arbuckle and Liam Thynne, which will allow you to run multiple apps at the same time on your iPhone or iPad. I was able to run four apps side-by-side-by-side-by-side with minimal slowdown on my iPad Air 2. It was quite impressive.

Mirmir uses its own built in gesture system for invocation, but it works with Activator as well. If you’re looking for a true-multitasking tweak for iOS 8, then look no further. Watch our full video walkthrough for all of the juicy details.

Once you install Mirmir, you can begin using it immediately by simply opening an app and swiping down from the upper left-hand corner of the app. Doing this causes the app to reduce in size, and go into multitasking mode. Mirmir includes a beautiful built-in hand-holding tutorial that shows you exactly what to do, which makes it easy to use right off the bat.

Multitasking mode appends a little grey title bar to the app. Using this title bar, users can drag apps around the screen, or tap it to reveal additional options.

Mimir Window resize

Upon tapping an app’s title bar, you’ll be presented with options for maximizing an app, minimizing it, and closing the app. You can also use basic pinch gestures to resize the app manually, and tap the orientation button to switch between portrait and landscape mode for the app.

Mirmir contains its own well-designed preference app that will take you into the tweak’s setup. There, you can configure and reconfigure a whole host of interesting options. Some of the options include default orientation, default window size and minimized size, activation method and sensitivity, and the ability to hide the status bar, title text, and more.

Mimir Preferences

On my iPad Air 2, Mirmir ran like a champ. I guess you can chalk that up to the beefy processor, and more importantly, the 2GB of RAM. That extra RAM makes a huge difference.

On my iPhone 6 Plus, I could run a couple of apps side-by-side, but having more than two induced noticeable lag. It also cause my device to run pretty warm, which is to be expected.

Mimir demo

Perhaps my biggest beef with Mirmir are the tap targets for the title bars, especially on the iPhone. Even when I increased sensitivity, I had problems accurately hitting the title bars in order to move apps around the screen. To tell the truth, my fingers are probably a bit larger than the average, so that could have something to do with it, but I do believe this is an area where improvements can be made.

Overall, I’m impressed by Mirmir, especially on the iPad where I was able to run four apps simultaneously without a hitch. Though ReachApp does a great job with dual app multitasking, in the absence of a working Multify on iOS 8.3 or iOS 8.4, our options for multitasking with more than 2 apps is limited. Mirmir fills in that void quite nicely.

You’ll can download Mirmir now for $3.99 on the BigBoss. What do you think about it? Sound off in the comments below.

  • Shakur Ali

    I still can’t jailbreak my iPhone 6 plus I tryst old iTunes and new iTunes and new taig

    • darkblade

      Which error do you get?

    • n0m0n

      Make sure you restore via iTunes the restore next to the check for updates.
      After restoring set your device up as a new device (VERY IMPORTANT, this took me days to realize).
      Then run Taig let it reboot, and run Cydia twice (second time is for Cydia updates).
      After your second reboot plug your device back into iTunes (on a PC or MAC) and restore your backup (the backup next to Back up now).

      Thats what finally worked for me.

      Hope that helps

    • Joshua The-Legend Wiebe

      Don’t use new TaiG, use old.

  • PadeLee

    Jeff, how did you get that app opening animation at 1:06 ?

  • darkblade

    Reach app it’s amazing, but mimir seems better

    • Kree Terry

      On my iPhone 5 more than 2 apps would be a bit much, so I agree reach does the trick for me. And it runs pretty well as i see very little lag on my 5 while using it with most apps.

  • ktsarlz

    How the battery?

    • Cristian B

      Any multitasking on any phone is gonna drain some battery. We just have to hope it’s not too much

  • Launching more than two apps on a non iPhone 6 is a bit useless in terms of visibility and performance. ReachApp is perfectly fine and it’s Free! I’ll stay with this one for now.

  • Nathan


  • Valinor

    If this runs fluently on my ipad air 1, I will be so happy! All I need are 2 windows side by side, no need for 4.

  • mike smith

    Why the author of the jailbreak or here in this website, don’t talk why we have to use an old version of iTunes, I did the jailbreak to my iPhone 6 and the mini iPad everything went so easy but I read everybody comments and I see many people that are having problems to do the jailbreak. Anyway what is the thing with iTunes ???

  • Blip dude

    No thanks, I’ll wait for the Multify update, and if that doesn’t get updated than my days of buying such tweaks are over. Hell, I’ve been less and less new tweaks. I only Jailbreak because the ones I have purchased and used Continue to get updated and work fine.

  • Guy

    This tweak seems pretty cool. I personally prefer Reachapp.

  • Gastón

    Device running warm? Lag? On an iPhone 6+?$3.99?
    Yeah…. I think I’ll pass…

  • Dante Arellano

    Nah inreal baterry got donw in few mins divice gets hot too much

  • Jacob Lovejoy

    Awesome tweek:-) Thanks for presenting.

  • Peter Chan

    Will it still usable in iPad mini 1?

  • TaylorMadeRedd

    I have it running on my iPhone 6. I find this app incredible. Doesn’t lag. I can load 4 apps and still run fine? Trick is you have to make sure all apps are closed then load them up for it to run smooth. Reach app lags for me and doesn’t work well. This is great but my phone does warm up.

  • n0m0n

    I found that the app / icon doesn’t show up in Springtime Hide icons option.
    And how can I hide the icon that is placed on the springboard (not create a folder to move).


  • Mr.Adam

    Would this work on an iPad 4?

  • benard kadima

    i have to purchase it? i though the whole point of jailbreaking is to free your IOS experience, and get to download paid apps??

  • Devon Bunkley

    Cool but I like Multify better!