QuillBot (Course Hero), LLC
1 extension 6,000,000 users in all First published 8 Feb 2018
Extensions are grouped by the store's own publisher account ID, so a developer who uses several accounts appears on several pages. Live extensions come first, most users first.
| Extension | Category | Users | Rating | Updated | Status |
|---|---|---|---|---|---|
| Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector | Communication | 6,000,000 | 4.74 | 23 Oct 2026 | Live |