PicFitter instant frame edit
Codepaint Inc.
No Crop Square Pic SquareDroid
Battery Stats Saver
InstaSize修图神器:照片滤镜 & 美颜拼图编辑器
Instasize, Inc.
Squaready
FANG Inc.
Square Pic: Photo Editor
A Photo Studio
Layout from Instagram
Instagram
正方形构图 - 发布全尺寸的照片 & 让图片更出色
vector123
白边框 - 留白之美,给照片添加纯色、渐变、虚化背景边框