Yes, both Polaris Office and Xmind offer a Free Trial.
Pricing for Polaris Office Starts at $12.99/month whereas for Xmind Starts at $7/month.
Polaris Office offers several advantages, including Accessible on any device, Anywhere, anytime availability, Content generation features, Helps with PowerPoint creation and many more functionalities.
The cons of Polaris Office may include a Limited template options, No offline access, Over-reliance on credits, Lacks advanced editing tools. and Content copyright concerns
