Photo filter is an popular option on Instagram that allows mobile users to enhance their photos easily in few clicks with artful effects before sharing. Facebook app also added this feature few months ago.
The feature is the result of the newly formed partnership between Twitter and Aviary. Instagram now owned by Facebook had seen this coming, few days ago, the company pulled Twitter card support to prevent Twitter users from viewing Instagram photo within Twitter app.
Today Instagram also launch an upgrade on its mobile app with new filter called Willow, a monochrome filter with subtle purple tones and a translucent glowing white border. In addition, A grid and crop capability are featured on the photo taking or selecting from the camera roll.