Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Principle Mirror Screenshots

iPad

iPhone

About Principle Mirror

Principle Mirror is the companion app to Principle for Mac, a tool for designing interactive interfaces. Principle Mirror can open Principle files from other apps or mirror Principle for Mac when plugged in.

“I just wanted to write to you quickly just to say — this. is. amazing. while I was watching the first tutorial I got tears in my eyes! seriously.”
Hugo Ahlberg
Designer, IDEO

"This tool is amazing, very well done."
Patrick Wong
Designer, Lyft

What's New in the Latest Version 5.5

Last updated on Feb 18, 2023

Old Versions

Bug fixes

Version History

5.5

Feb 18, 2023

Bug fixes

5.4

Nov 17, 2021

Bug fixes

5.3

Sep 18, 2019

Support for iOS 13

5.2

Dec 18, 2018

Bug Fixes and Performance Improvements

Nov 7, 2018

Support for 3rd Generation iPad Pro

4.1

Aug 9, 2018

Fixed scroll deceleration
Added Settings App preference to toggle Highlight Interactive Areas

Jul 31, 2018

Support for files created in the latest version of Principle

2.4

Oct 18, 2017

Update App Store Information

2.3

Oct 17, 2017

Various Bug fixes and Improvements

2.2

Aug 15, 2017

Bug fixes

2.1

Jul 27, 2017

Bug fixes and performance improvements

2.0

Feb 9, 2017

Save designs and view them later
Customize the restart gesture from the Settings app
Improved mirroring speed
Fixed a crash triggered by large files

1.0.8

Oct 31, 2016

Performance improvements and bug fixes

1.0.7

Aug 25, 2016

Bug fixes

1.0.6

Aug 18, 2016

Bug fixes and performance improvements

1.0.5

Jun 4, 2016

Fix a bug that prevented files from opening on iOS 8
Other bug fixes

1.0.4

May 27, 2016

Bug fixes and performance improvements

1.0.3

May 24, 2016

Bug fixes and performance improvements

1.0.2

Jan 20, 2016

Bug fixes and performance improvements

1.0.1

Oct 17, 2015

Automatically scales down large designs to fit on your device's screen
Added progress indicator when updating large designs over USB
Indicator to show that the design was restarted by a triple tap or shake.
Fixes event routing bugs, such as layers that had both a tap and long press gesture
Fixes a bug that caused layers to have the wrong z-ordering
Fixes a bug that made drivers affect the wrong layer

1.0

Aug 31, 2015

Feedback Report