A free program for Android, by AR-Apps.
Basic Linguistics is a free and easy-to-use app. It provides a very comprehensive introduction to the field of linguistics. The app consists of a number of lessons, which are made up of different sections. In order to better grasp the material, the app also provides quizzes. There is an option of repeating each section, so that you can fully grasp the concept. There is an option of reviewing the lessons, in case you forgot any of the concepts.
Basic Linguistics is designed in an easy-to-understand and easy-to-use manner. It also provides an option of reading the text, which makes it easy to read and comprehend. There is also an option of listening to the audio, which allows you to better grasp the concept.
The app also provides an option of looking at the pictures, which makes it easy to remember the concepts. There is also an option of sharing the material with other people, in case you want to share the concept with them.
The app is designed in a very user-friendly manner. There is an option of asking for help, in case you want to learn any more about the app.