Beginner Ido is a free Android app developed by shotgun.experiments, designed for beginners and enthusiasts interested in learning the Ido language. The app follows the ‘a word a day’ concept and offers up to 12 words a day, of the user's choosing. The app repeatedly tests the words learned, adjusting the frequency of testing based on the user's familiarity with the word. If the user answers a word incorrectly, the app will test them more frequently on that word until they become familiar with it. The app has almost a thousand common and popular Ido words available for users to learn.

Beginner Ido is an effective tool for anyone who wants to learn Ido quickly and efficiently. With its simple and direct interface, the app is easy to use and navigate. The app is suitable for anyone who wants to learn Ido, regardless of their age or background. By using this app, users can develop an essential knowledge of the Ido vocabulary in just a matter of weeks. Overall, Beginner Ido is a great app for anyone who wants to start learning Ido in a fun and engaging way.