Instagram relatively has seen minor update which fixes apps crashes. Below is the changelog for 6Snap.
6Snap:
– filter unread snaps
– increase upload speed
– change snap counter behavior (only count unstarted snaps)
– no need to wait the end of the countdown to reply
– be able to reply to a ‘not friend’ user
– improve picture quality for lumia 1520 & 1020
– improve image cropping when no text is added
– add right-to-left scripts support and arabian language