OnePrompt offers Free Trial, but What-A-Prompt does not.
The starting price of OnePrompt begins at $1.99/month, while pricing details for What-A-Prompt are unavailable.
OnePrompt offers several advantages, including Switch prompts on chat screen, No copy-paste prompts, Save chat logs in-app, Export logs as text, Plugins with 'function calling' and many more functionalities.
The cons of OnePrompt may include a iOS exclusive, No Android support, No direct text input, Requires separate files.app for exports. and Limited plugin options
What-A-Prompt offers several advantages, including Seven different settings, Prompt testing feature, Easy to use, Community membership, Effective with ChatGPT and many more functionalities.
The cons of What-A-Prompt may include a Membership required, Limited to seven settings, No API, Not open source. and Limited documentation