NO Buttons is an iPhone app developed by Snorre Widnes, available for free in the Lifestyle category. The app is aptly named as it features every variation of the emphatic "NO" meme. Users can enjoy a collection of different "NO" expressions within this app, adding some fun and humor to their device.

With a simple interface, NO Buttons allows users to easily access and play various "NO" soundbites with just a tap. Whether you want to share a hilarious response or simply entertain yourself, this app provides a quick and easy way to enjoy the iconic meme across different situations.