Google+ Collections was launched way back in May with a promise that iOS users will get the goodies soon, but little did we know that "soon" would equate to 4 months.
Version 4.8.5 of the app (mostly) reaches feature parity with its Android counterpart in the Collections department, with the added bonus of looking really slick.
Aside from Collections, the updated binary benefits from performance improvements and bug fixes.
Download
You can grab Google+ for iOS from the handy link below, if you haven't already installed it: