This press release just came out. So if you are a Catan fan, then you may want to hit it up.  Never played before? Check the free version.

A fresh gust of sea air for all Catan landlubbers: “The
Seafarers lite” including the new scenario “The 4 Islands” and
two additional game variants, is now on board for iPhone® and
®iPod touch . The complete Seafarers expansion includes more
than 10 additional scenarios with an extensive campaign, and
®is available for purchase from the Catan In-App Store .

In the elaborate new campaign, you can play your way
through 16 diverse scenarios, each of them having very
different goals. Become harbormaster, discover new islands
and extra game elements, such as ships, gold fields, treasures,
and pirates.

Catan has been developed by exozet games in collaboration
with Catan designer Klaus Teuber and has been published by
United Soft Media (USM).

Catan is available at $4.99/£2.99 on the App Store. The
Seafarers expansion for iPhone and iPod touch can be
purchased from the Catan In-App Store at a launch price of
$3.99/£2.39.

The iPad® version will be available soon.

Features
• Original rule set from ”Settlers of Catan“
• Local multi-player mode for up to four players
• Smart computer opponents, each following their own
individual tactics
• Scrollable game board including zoom option
• Freely combinable game settings
• Comprehensive game statistics and tutorial
®
• iPod background music support
• Languages: English, German, French, Spanish, Dutch,
Portuguese

Catan is also available for Java-based mobile phones and will
soon be available for Android.