Pattern Designer is described as 'creates seamless repeating pattern in 11 styles , in order to create a material to fill the backgrounds and spaces'. There are five alternatives to Pattern Designer for Online / Web-based, Android, iPhone, Android Tablet and iPad. The best alternative is Adobe Capture, which is free. Other great apps like Pattern Designer are Patterninja (Free), BgPatterns (Free), Patternify (Free) and Patternizer (Free).
Patterninja lets you easily create tiled patterns online by combining images from an integrated library of predefined graphics or by uploading your own. Produced patterns can be downloaded in high resolution and used for printing and the web.
Patternify lets you easily create, edit and share tiled patterns online. Draw patterns from scratch, load up presets or access pre-made patterns through a special URL feature. Then export the patterns as PNG or as a CSS pattern via Base64 encoding.