There are many email apps available for iPhone, and the best one for you will depend on your specific needs and preferences. Here are a few popular email apps for iPhone: Apple Mail: Apple Mail is the built-in email app for iPhone and is pre-installed on all new iPhones. It offers a simple and clean interface, support for multiple email accounts, and integration with other Apple apps like Calendar and Notes. Outlook: Outlook is a popular email app developed by Microsoft that offers a clean and organized interface, support for multiple email accounts, and integration with other Microsoft apps like Calendar and OneDrive. Gmail: Gmail is the email app developed by Google, it offers a simple and clean interface, support for multiple email accounts, and integration with other Google apps like Calendar and Drive. Spark: Spark is a popular email app that offers a clean and organized interface, support for multiple email accounts, and advanced features like smart inbox organization, customizable swipe gestures, and snooze emails. Airmail: Airmail is a powerful email app that offers a customizable interface, support for multiple email accounts, and advanced features like snooze emails, a unified inbox, and integration with other apps like Trello, Evernote and more. Edison Mail: Edison Mail is a powerful email app that offers a clean and organized interface, support for multiple email accounts, advanced features like snooze emails, a unified inbox, and tracking emails. It’s important to note that these are not the only options, and you might want to explore other options that align with your specific needs and preferences. Also, you might want to try some of these apps and see which one fits best for you and your workflow.