Rates can vary due to many factors, including expertise and experience, location, and market conditions.
An experienced Articulate Storyline specialist may command higher fees but also work faster, have more-specialized areas of expertise, and deliver higher-quality work.
A contractor who is still in the process of building a client base may price their Articulate Storyline services more competitively.
Which one is right for you will depend on the specifics of your project.