BackstoryAI offers Free Trial, but USP does not.
Pricing for USP Starts at $89/month whereas for BackstoryAI Starts at $1.99/month.
USP offers several advantages, including Image generation for writers, Generates images from text, Range of image ratios and styles, Pre-existing recipe selection, WordPress plugin included and many more functionalities.
The cons of USP may include a Only supports English prompts, Limited free plan options, Credit system for generation, Paid features restricted. and Chrome extension only