Image filter app Prisma has reportedly introduced a new feature that allows its users to create their own filter. Prisma has added an in-app filter store which will also allow users to rate the filters and even create their own filters with a new creation tool. According to reports, Prisma is also planning to introduce new filter styles every week and is aiming to provide daily additions. Users will reportedly be able to share the styles and even delete the one that they do not prefer to use, added reports.