SmartRoam (http://smartroam.net), developers of theiPhone app ChatTime is giving new and existing customers, from 48 countries, free calls to Japan until the end of March.

The company says it wants to make it easy and painless for ChatTime users around the world to reach out to their friends and family in Japan. ChatTime provides a low-cost international calling service.

The free call announcement means that all ChatTime users can call mobile phones and landline numbers in Japan through the end of March with no charges and no fees. ChatTime is also retroactively offering customers who have already made calls to Japan since March 11 a credit and waiving any costs associated with calling the country. Anyone that is not currently using ChatTime can download the app for free from the Apple App Store and also take advantage of free calling to Japan.

The countries eligible to call Japan for free are; the United States, Argentina, Australia, Austria, Bahrain, Belgium Brazil, Bulgaria, Canada, Croatia, Cyprus, Czech Republic, Denmark, El Salvador, Estonia, Finland, France, Georgia, Germany, Greece, Hong Kong, Hungary, Ireland, Israel, Italy, Japan, Latvia, Lithuania, Luxembourg, Malta, Mexico, New Zealand, Netherlands, Norway, Peru, Poland, Portugal, Puerto Rico, Romania, Singapore, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland, Thailand and United Kingdom.

ChatTime 1.0.5 is free and available worldwide exclusively through the App Store in the Social Networking category.