BackstoryAI offers Free Trial, but Turbo.Art does not.
The starting price of BackstoryAI begins at $1.99/month, while pricing details for Turbo.Art are unavailable.
Turbo.Art offers several advantages, including Uses Stability's SDXL Turbo, Style adaptation capability, Broad range of styles, Enhancement feature, High-quality PNG/JPEG output and many more functionalities.
The cons of Turbo.Art may include a Stability's SDXL Turbo dependency, No real-time rendering, Limited style adaptation, Prompts instead of direct input. and Not mobile compatible