Neither Prompts Royale nor Prompt Polisher offers a free trial.
Pricing details for both Prompts Royale and Prompt Polisher are unavailable at this time. Contact the respective providers for more information.
Prompts Royale offers several advantages, including Generates and ranks prompts, API key integration, Open-source tool, Accessible via Github, Objective-setting feature and many more functionalities.
The cons of Prompts Royale may include a Battles feature not explained, Requires API key integration, No GUI, command line only. and No support for other transformers