color pop photos is a free iPhone application developed by Tarika Sultana. This multimedia program allows users to create stunning photos with selective colorization effects, also known as Photo splash. With color pop photos, you can add grayscale effects to highlight specific parts of your photo while keeping those areas in full color and converting the rest to black and white.

One of the key features of color pop photos is its gesture detection capability. You can easily zoom in on the image to perform detailed splash work using pinch gestures. Additionally, you can freely move the image across the screen with pan gestures, making it convenient to work on different areas of the photo. The preview window support provides real-time feedback, allowing you to see what is happening behind your finger as you make adjustments.

color pop photos offers both gray to color and color to gray support, giving you the flexibility to experiment with different colorization effects. After creating your desired look, you can save the edited photo directly to your album. Furthermore, the app allows you to share your masterpiece on popular social networks such as Facebook, Instagram, Snapchat, and more.

Overall, color pop photos is a user-friendly and feature-rich application that enables you to enhance your photos with selective colorization effects. Best of all, it's completely free to use, making it accessible to everyone.