[schwinn140]

Agreed! How about possibly converting this to an in-browser web app to get around the platform hurdles?

[lozf]

you might like https://quietkit.com/box-breathing/

[filipeisho]

Someone on the comments implemented a chrome extension that opens up a gif with the same ratios as breathe (4-4-4). It works great to be honest. Here is the link: https://github.com/b3ting/breathe