Hammer Cards - Learn Japanese is an iPhone application developed by Hammer Software Inc. It falls under the Education & Reference category and is completely free to use. With this app, users can learn Japanese vocabulary words in a fun and easy way.

The program offers word lists that cover various aspects of the Japanese language, including Hiragana, Katakana, basic vocabulary, beginner vocabulary, elementary vocabulary, and intermediate vocabulary. This wide range of word lists ensures that users can learn vocabulary at their own pace and level.

One of the standout features of Hammer Cards is its unique study system. It tracks the user's knowledge of each vocabulary word, allowing them to learn more words in less time. This system ensures faster memorization and helps users progress in their language learning journey.

In addition to the study system, Hammer Cards also offers a fun collectibles feature. Users can earn collectibles with varying rarities and effects as they study. This adds an element of gamification to the learning process, making it more engaging and enjoyable.

What sets Hammer Cards apart is that it is completely free to use. Users can access all the features without any cost, making it accessible to anyone who wants to learn Japanese.

Furthermore, Hammer Cards provides a continuous audio track generated from the user's flashcards. This audio stream, known as Hammer Audio Stream, allows users to review vocabulary just by listening. It adds an auditory component to the learning experience, enhancing language retention.

Hammer Cards - Learn Japanese is a valuable tool for anyone looking to learn the Japanese language. With its comprehensive word lists, unique study system, fun collectibles, and free access, it offers an engaging and effective learning experience.