Watermark Photos Copyright is a free iPhone application developed by Yellow Lab LLC. This business and productivity tool allows users to protect their photos online while also building their brand. With this app, users can easily watermark their photos with their own signature, an existing logo with a transparent background, or create a custom watermark logo using the app's library of fonts, clip art, and colors.

One of the key features of Watermark Photos Copyright is its ability to help users promote their business on social media. Users can use the app to add watermarks to their photos and then share them directly to popular platforms like Instagram, Pinterest, Facebook, and more. This makes it easy for users to alert their followers about upcoming sales, new products, or any other important announcements.

Overall, Watermark Photos Copyright is a powerful tool for anyone looking to protect their photos online and promote their brand. With its user-friendly interface and versatile watermarking options, this app is a valuable asset for businesses and individuals alike.