QuillBot
QuillBot remains the fastest way to reword a paragraph you have already written, and the free tier is enough for occasional use; Premium at roughly $8 to $20 a month depending on term buys the extra modes, longer inputs and the plagiarism checker that students actually want. Against a general chatbot it wins on speed and a purpose-built interface, not on writing quality, and against Grammarly it is cheaper but narrower.
Pros
- Free tier includes grammar checking, two paraphrase modes, translation and AI detection
- Extensions and apps for Chrome, Windows, macOS, Safari, iOS and Android keep it inside the writing surface
- Paraphrase modes and a synonym slider give more control than a one-shot rewrite prompt
- Backed by Learneo, a large education group, rather than an anonymous operator
Cons
- Month-to-month Premium is about 2.4 times the annual rate, so the headline low price assumes a year up front
- The site blocks automated access, so none of the figures here come from its own pricing page
- The App Store listing itself disagrees on how many Premium paraphrase modes exist (8 versus 10+)
- The heavy student use and the AI detector attract academic-integrity scrutiny that can rebound on users