I have Tweet Blender 3.3.15 running with no caching on my site http://www.divergentvc.com.
Cache is currently disabled, Archive is disabled, refresh tweets on page load. all else pretty much straight out of the box.
When I view the page from any browser on a computer, Mac, PC, all major browsers, the tweets load just after I get to the page.
On my iPad and Android phone, the page loads and the Tweet Feed area is stuck on Loading tweets... It never changes from that.
I have seen other notes about this issue elsewhere on the web so I don't think it's just me.