Instagram has updated its iPhone app with more Facebook integration, improved commenting and other optimizations.
Changes included in the update:
- Revamped profile tab
- Search for users and tags in the Explore tab
- Improvements to commenting
- User search autocompletes based on people you follow
- Visual improvements
- Speed optimizations
- Optionally share likes to Facebook (enable in your Profile > Sharing Settings > Facebook)
Instagram is free and available in the App Store [iTunes Link].