Watermark Photo Video is an iPhone app developed by Orange Media CO.Ltd. It is a free app in the Business & Productivity category that allows you to add watermarks to your photos and videos to protect them while building your brand. You can add a unique text, signature, image, and logo watermark to one or multiple photos and videos with ease. The app also supports full-screen watermarking.

One of the main features of the app is the ability to add text watermarks with multiple fonts and colors to choose from. You can also add signature watermarks that you can quickly create and select from history. Importing your trademark from your photos is also easy with image watermarking. Additionally, you can create logos from the logo maker and add them quickly.

The app also has premium features such as batch watermarking photos without limitations, watermarking videos, adding full-screen watermarks, and removing ads. There are two paid plans to choose from: USD $3.99 every month or USD $21.99 for lifetime VIP access.

Overall, Watermark Photo Video is a useful app for anyone looking to protect their photos and videos while building their brand. The app is easy to use, and the premium features are worth considering if you're looking to watermark your photos and videos in bulk.