The free version of manuscript optimizer (R Pubsure Lite) is available for authors who want to ensure their manuscripts are submission ready and will not be desk rejected due to technical or language issues. R Pubsure Pro, a paid plan, is an expanded version of the Lite report with premium features, such as plagiarism checks and a downloadable file with language corrections suggested in Track Changes, which saves you hours of revision time. And R Pubsure Pro is all set to be bigger and better with new features and tools being added in the near future.