DIY hybrid closed loops: an overview for Healthcare Professionals

Healthcare Professionals looking for more information about DIY looping options can find out more by using the resources listed here.


For more detail, here is an overview of what looping is and what the systems are:




Following that, if you want to learn a bit more about how the algorithms works, there are the following sources:


The reference design documents on the website provide details of how OpenAPS is designed for safety. Loop and AndroidAPS use this at the heart of the their designs as well.

Differences between the systems

If you want to better understand the differences between Loop, OpenAPS and AndroidAPS in terms of how they work and how people live with them, the following are n=1 views of Loop and OpenAPS:


Press and Background

There are also a couple of press articles that provide a good overview of the background to these systems:


A key aspect of living with a DIY loop is understanding what you need to do to tune the settings. Katie DiSimone has pulled together the various pieces of advice that have regularly been provided on Facebook into this single page:

Getting going with a DIY system

Finally, if you want to learn where to go to set up the systems, there’s a guide to all three available at:


If you have any questions relating to any of the content on this page, or the systems involved, please feel free to use the contact form below to contact us directly.