Paraphraser.io vs Rephraser.co

Paraphraser.io rephrases sentences and articles while aiming to keep their meaning. It offers more than ten modes, including Word Changer, Fluency, Formal, Creative, Humanize, Academic, and Expand. Users can select suggested synonyms and mark specific words or terminology to remain unchanged. The service also describes extracting text from recordings and images, rewriting extracted text, and paraphrasing speech in real time. The homepage lists support for more than 20 languages, while API documentation lists 13+ languages for API use. Several modes are free; the pricing explanation gives a 600-word limit, and says upgrading to Pro can increase the limit to 1500. Apps and API options span Android, iOS, and web. The full-article API endpoint accepts up to 5000 characters per content check. The maker identifies students, freelancers, academic writers, and SEO content creators as intended users. Paid plans include Silver at $4.55 a month, with validity of 7 days; Gold at $9.55 a month, with validity of 30 days; and Diamond at $0.99 a year, billed annually at $47.52 and displayed as $0.99 per week.

Rephraser.co is an AI sentence rephraser that rewrites content to make it more engaging while preserving its original meaning. Its modes include Creative, Anti Plagiarism, Fluency, Academic, Blog, and Formal. Academic mode is designed for academic writing and to retain citations, references, and quotes; Blog mode is described as keeping keyword density and placement. The homepage lists 20 supported languages. The web tool accepts pasted text or imported files and exports results as a document, PDF, or text file. Free mode allows up to five paraphrases, with three more credits available after signup or a 24-hour wait; uploads are limited to 2 MB. The site also lists a plagiarism remover, AI humanizer, article and paragraph rewriters, essay rewriter, summarizer, grammar checker, and AI detector. Its API offers rephrasing and other writing functions, and the API FAQ lists support for 21+ languages. Mobile apps are linked for Android and iOS. Paid web plans include Monthly at $9.95 per month and Annually at $49.95 per year; both list a 4,000-word input limit, all modes and tools, no ads, and live chat.