I was also confused, but Google turns up the following: https://itunes.apple.com/us/app/workflowy/id551139514?mt=8 https://itunes.apple.com/us/app/workflowy/id

I was also confused, but Google turns up the following: https://itunes.apple.com/us/app/workflowy/id551139514?mt=8 https://itunes.apple.com/us/app/workflowy/id551139514?mt=8 https://play.google.com/store/apps/details?id=cz.karelklima.workflowy.agent&hl=en https://play.google.com/store/apps/details?id=cz.karelklima.... The Android app looks like an embedded web application. The iOS client looks the same. Disclaimer: I haven't used either mobile application yet, so I don't know what the experiences are actually like. I use Workflowy from the desktop in a browser.