Cool Text Symbols is a free iPhone app that allows users to create stylish symbols, emoticons, and text to personalize their gaming and social media profiles. With a variety of fonts and symbols, users can decorate their names, chat messages, and photos. The app also offers a "Text Art" feature with a plethora of built-in ASCII art options. Users can save their favorite symbols, emoticons, and nicknames for easy access later.

The app's key features include adding symbols and stylish text to photos, creating stylish nicknames with different fonts, accessing a diverse range of cool emoticons, exploring beautiful text ASCII art, and utilizing various text-decoration styles to enhance messages.