QuillBot
by QuillBot (Course Hero)
AI paraphrasing and writing tool that helps rewrite and improve text.
Acquisition Details
Acquired by Course Hero in 2021.
🩺 Health Signals
No checks have been run on this tool yet.
📅 Timeline
Founded
Founded as paraphrasing tool.
Acquired by Course Hero
Acquired and continues operating.
🔄 Alternatives to QuillBot
📰 Related Articles
Why QuillBot Failed in 2026 (Case Study & Post-Mortem)
QuillBot launched in 2017, hit 50 million users by 2020, and sold to Course Hero in August 2021. Three months later, ChatGPT launched and reset the floor for free AI rewriting. This post-mortem ranks the five real reasons QuillBot stalled — ChatGPT eating paraphrasing, the lost AI-detector arms race, acquisition gravity, thin single-feature defenses, and Grammarly bundling a free rival — with a cause breakdown chart, a 2017 to 2026 timeline, a capability-vs-price matrix, and what users should do next.
8 Best Tools Like QuillBot in 2026 (Ranked & Compared)
Stuck with QuillBot's 125 word free cap, stiff synonym swaps, and rising detector flags? These eight tools like QuillBot — ranked by use case with a price chart and decision tree — cover natural rewrites, marketing copy, SEO content, long form editing, and ESL writing in 2026.
QuillBot Alternatives in 2026: 8 Best Picks Compared
QuillBot still works, but you may want better grammar, smarter rewrites, or a free pick. We compare the 8 best QuillBot alternatives in 2026 by job, price, and free tier.
🪦 Other dead Writing & Content tools
❓ Frequently Asked Questions
Is QuillBot still active?
Yes, QuillBot was acquired but continues operating.