Here's how you can download the Yahoo! Mail app free for your iPad, iPhone, iPad mini or iPod Touch.
1. Go to the Yahoo! Mail app preview page in iTunes (or tap the link on your iOS device to install the app directly).
2. Click the View in iTunes button.
3. Click the Free button to download the app.
4. Sync your iPad, iPhone, iPod Touch or iPad mini with iTunes to install the app.
Here's a description and screenshot:
"Yahoo! Mail, now available for your iPhone! With an easy to use interface, this app lets you: Stay connected • Access your inbox in just one tap • Receive automatic notifications for new messages • Quickly scan messages in your inbox with continuous scroll Message with ease • Auto complete email addresses as you type • Simply swipe left on any message to delete, flag, move, mark as read and more • Multi-select messages to organize your inbox faster Get more done, faster • Easily attach photos or take new ones while composing a message • Preview photos right at the top of a message • Search through all messages across all folders"