Yes, both Impossible Images and BackstoryAI offer a Free Trial.
Pricing for Impossible Images Starts at $12.73/month whereas for BackstoryAI Starts at $1.99/month.
Impossible Images offers several advantages, including Royalty-free stock images, Subscription-based service, Free trial available, Driven by Cookiebot, Personalized content and ads and many more functionalities.
The cons of Impossible Images may include a Potential privacy concerns, Requires cookies consent.