Finally, there's an Instagram client for iPad. Instapics is specially designed for users prefer official app experience. Whatever you can do on iPhone, now you can do on iPad as well, such as:
• Classic Instagram style UI design
• Browse images/videos in three different modes
• Save and share images and videos
• Explore popular posts
• Search for users and hashtags
• Full map integration
• Read and write comments, like/dislike posts
• Follow/unfollow users
• Update feeds and data in background