Yes, both Outline and Content Spark offer a Free Trial.
The starting price of Outline begins at $15/month, while pricing details for Content Spark are unavailable.
Outline offers several advantages, including Collaborative writing feature, 'Improve' function included, Thesaurus/syntax assistant available, Chatbot research assistant, Easy to use and many more functionalities.
The cons of Outline may include a Limited free trial, Expensive additional words, Pricey assistant messages, No offline mode mentioned. and No information about version history support
