Professional English
1. SpeakBusinessEnglish
SpeakBusinessEnglish is a basic business English app, learners are given a scenario, then learn to converse in that. The app provides audio files and recording functions, improving learners' influnency by modifying the pronunciation weakness repeatedly.
2. Business Terms Dictionary
The Business Terms Dictionary not only provides a lookup of professional terms, but also provides a collection of formal and informal terms that learners can use as a vocabulary book to browse, collect, and test. The clean interface makes it a good tool for learning various professional terms.
3. CPA
CPA is the most widely recognized accounting license in the world. The software provides over 1700 vocabulary flashcards for learning, and a variety of exercises and tests to help learners make the most of the tools and learn professional vocabulary efficiently.
4. Business English Listening
Business English Listening covers 20 topics from advertising to sales, each with a list of words and explanations, and a test function. It's a wide range of working terminology learning software.
5. Business English Conversations

Business English Conversations is a basic business English learning app categorized by topics. Each lesson in the APP contains a dialogue. Learners can listen to the demo recording and then practice speaking. In addition, there are functions such as quizzes and vocabulary that can be used. For free APPs, the functions are quite complete.