3 stars: It would be great to have the chance ti translate the words that you don't know directly in the app. Also, I think some time the app does not remember that I have already done an exercise
3 stars: It's waste of time to find the courses/units that I want to learn because they are arranged by alphabet
5 stars: The app is usedul for every body who need to learn english fluently. However, the initial start or signing in is difficult even if you enter your own email and password. So, technical isues needs to be fixed. Thanks
4 stars: The lessons are great but best experienced on the desktop version, not on the app, since the app can be little buggy.
5 stars: Catalyst and Fluency Builder are great program to test my proficiency levels and build my professional communication skills. I have been using the program only for 2 weeks now and i spend about 30 minutes daily during travel. I can already feel the difference in my English pronunciation. I feel a lot more refreshed and confident at work.
5 stars: The best app to learn and practice English language, with interactive trainers to give u an immediate feedback for your writing and prononceiation.
5 stars: I love the short and intensive business focused content and activities. The modules are also built upon each other with incremental difficulty as we progress.
3 stars: The mobile app sometimes doesnt display the whole content and have to restart the whole lesson. Then some parts are cut and sud...