The popular third party Instagram client for BlackBerry 10, BlackGram, got a nice update over the weekend. This update simply rounds out the features and functionality of the app without any huge new features. Mainly they now have a new login procedure with client side authentication. They also have picture sharing on Twitter and the re-gram feature. There is also a settings page now and some other optimizations.
Personally I would wait to see if they fix their other bugs before purchasing but if you already own it or want to take the plunge you can find BlackGram in BlackBerry World for $2.99. I am happy to see it is being actively developed.