Opera Mini

* Works on almost any phone, from basic phones to advanced smartphones.
* Completely free.
* Built for speed. Web pages are compressed by up to 90% before being sent to your phone. This way, you can get Web pages up to 10 times more quickly and cheaply than other browsers.
* Personalize Opera Mini by choosing colorful new skins.
* Synchronize notes and bookmarks between your mobile browser and your desktop browser.
* Opera Mini 5 beta is available for testing and includes features such as tabbed browsing, Speed Dial, password manager and more.

Opera Mobile

* A multi-featured Web browser, that works on Windows Mobile and Nokia smartphones.
* Completely free.
* Comes with Opera Turbo, which compresses pages up to 80%, which means you download less.
* A full Web browser on your smartphone, so you can access interactive Web services.
* Offers additional features such as tabbed browsing, password manager, Speed Dial and more.
* Includes Opera Dragonfly, a developer’s toolkit, right on your phone.