Inkey vs QuillBot

Inkey

The value is consolidation: paraphrasing, a plagiarism check and an AI detector under one $4.99 subscription costs less than any one of them bought separately. A free-for-life tier lets you test it honestly. The catch is the word meter — 10,000 words a month is a couple of long essays, and everything you run through any of the 30 tools draws on the same pool.

Pros

• +More than 30 student tools under a single subscription
• +Plagiarism checking and AI detection included rather than sold as add-ons
• +Maths word-problem solving alongside the writing tools
• +Free tier is permanent at 1,000 words a month with no card

Cons

• −Word quotas are shared across every tool, so a paraphrase costs the same budget as an essay
• −No operating company, country or team is disclosed anywhere on the site
• −No API and no editor or browser integration
• −Five tiers separated mostly by word count rather than capability

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

Is Inkey cheaper than QuillBot?

On published entry prices, Inkey starts lower — $4.99/mo against $19.99/mo for QuillBot. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does Inkey or QuillBot have a free tier?

Both: Inkey has a free tier, and QuillBot has a free tier.