emailed Blipfoto support in September 2024 and they told me this, so I'm sharing it here as they don't seem to be answering these forum questions themselves...."The phone apps have not been formally supported since the community takeover of the site in 2016. The Android App worked for some time but more recent updates to the Android operating system broke the app and we have not been in a position to affect a repair. We made the decision not to support the apps when the amount of money raised to buyout the site fell short of our original target. The App had already fallen behind the functionality of the website, as we continued to add to its development.
The new site developed in 2014 was designed to be mobile complaint and the mobile browser version of the site now covers all the functionality needed. To add an icon to your home screen on your mobile device just follow the instructions in our FAQ:
The Blipfoto Team"