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Flying Logic Pro is a highly visual, easy-to-use software application that does for reasoning what spreadsheets do for numbers. Just as you would not do detailed financial projections in your head, you need Flying Logic for all nontrivial planning and reasoning endeavors.

The Flying Logic Advantage... Project management software won't help you when you have no idea what part of a complex system needs improvement, or what that improvement might look like, or how to cause that improvement. Answering these questions is a critical and often-overlooked part of the planning process, and this is where Flying Logic more...

What's New

Version 2.2.7:

Bugs Fixed

  • Retina support re-enabled in OS X 10.7 Lion/ OS X 10.8 Mountain Lion/ OS X 10.9 Mavericks release.
  • In-app registration works again.
  • Document windows now have a minimum size.


  • OS X 10.7.3 or later

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Flying Logic Pro User Discussion

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Bub1200 Member IconComment+10

The price tag of $149 was in the good old times and they have long been gone.

The new price on kagi online store is a heavy $ 249!

Reply0 replies
Version 2.0
Dylan-Mc Member IconComment+84

As I was reading through the literature on Flying Logic Pro, I got an odd feeling this system felt like the System Dynamics apps like Vensim and Simgua. Digging a bit deeper in the Wikipedia article on "Theory of Constraints", which FLPro is based on, it appears that there is an unattributed (by the TOC community) relationship between them.

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Version 2.0
Offline Member IconReview+93

This is an interesting, niche utility that, like I2Brain, won't get the attention it deserves.

It's built upon Goldratt's Theory of Constraints and enforces logical (causal - If A THEN B) thinking. It allows for Current Reality Trees, Future Reality Trees and Transition Trees.

Where this is immediately useful is in presentations to Senior Management, who are used to PowerPoints and will be completely blown away by these diagrams.

There are several reference books suggested in the documentation and, while you don't need to read them all, understanding the underlying theory will help you get the most out of this unique tool.

Cross-platform (I only used it on the Mac) with numerous exporting capabilities (to MS Project, for example) I highly recommend it. Some of the functionality must be anticipated (not there yet) such as importing from an xml file generated by MS Project to create a diagram.

Try the evaluation. You'll be hooked.

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Version 1.2
Steven Goodheart Member IconComment+442
Steven Goodheart

Their web site and videos totally intrigued me. When I have a chance, I definitely want to try this out. When I was a business programmer (long ago, ancient COBOL), a program like this would have seemed like sheer magic, and would have been enormously helpful in top-down design and decision trees. But I can also see how this could be hugely helpful to writers trying to figure out twisting or confused plots, or for people doing life planning. I won't rate this since I have't done hands on but this seems pretty amazing.

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Version 1.2
nicolasd Member IconComment+120

ever hear of Logic Pro. it's a little audio app from apple. tiny user base. i'm sure no one will confuse the two. lol

Reply1 reply
Version 1.1.1

Indeed, my first assumption was that it was a planning tool for LAP.

Flying Logic Total or something would save confusion.

user icon+14
Version 1.2.3
> 4 2


Current Version (2.x)


Downloads 4,450
Version Downloads 100
License Demo
Date 08 Jul 2014
Platform Intel 64 / OS X
Price $249.00
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