Popfizz offers free trial for all of the curriculum courses. Free trial comes with access to 35% of the content, almost all of the features (except for the question bank tool) and sample classroom materials such as syllabus, lesson plans, solution guides and slides. Here is how you can try out the courses:
Sign up as a Teacher and log in.
From the top menu, click "Courses". Go to "curriculum" or select any of the courses you want to try out.
Once you are in the course page, click on the "Free Trial" button.
*Mini courses are completely free.