Square Pic is a top photo editor app designed for iPhone users, allowing them to post full-sized photos on Instagram without the need for cropping. With this app, users can select from 50+ free background patterns, use their album photos as backgrounds, add text with various fonts, resize text, and personalize their photos with over 100 free stickers and emoji stickers. The app also enables users to share their edited photos seamlessly to various social media platforms like Instagram, Facebook, Twitter, and Google+.

Square Pic offers a convenient solution for Instagram users who want to maintain the integrity of their photos without the constraints of cropping. With its user-friendly interface and a wide range of editing options, this app is a must-have for those looking to enhance their Instagram posts effortlessly.