Here's how you can download the Emoji app free for iOS devices.
Download the Emoji> App Free From iTunes
1. Go to the Emoji> app preview page in iTunes.
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 Emoji> app.
Download the Emoji> App Free From the iOS App Store
1. Open the App Store on your iPad, iPhone, iPod Touch or iPad mini.
2. Search for "Emoji>" (without the quotes).
3. Tap the Free button to download the app and install it on your iOS device.
Here's a description and screenshot of Emoji> for iOS devices:
"Speak a thousand words with pictures created entirely out of Emoji icons.
Use over 840 BRAND NEW & CLASSIC EMOJIS!"