Our QuillBot review
QuillBot is a solid AI writing assistants option: strongest at study notes, weakest on not a full drafting tool.
We score QuillBot 4.4 out of 5 — strong ease of use, solid performance and strong value for money.
What QuillBot is
QuillBot is Course Hero's AI writing assistants product, launched in 2017. Paraphrasing and grammar toolkit with summariser, citation generator and plagiarism checks, widely used by students.
It is aimed at beginner users — the learning curve is gentle. Day one you would use it for study notes, essay editing and citations. It runs on Web, Chrome, iOS, Android and Word, including a mobile app, and there is no public API.
Where it shines
The core strengths are easy to state: cheapest serious writing helper and generous free tier. The feature set behind that is paraphraser, grammar checker, summariser, citation generator and plagiarism check.
We rate performance 4.0/5 and answer accuracy around 83% for the tasks in this category, which is why it holds up for study notes and essay editing.
Where it falls short
The honest downsides: not a full drafting tool and paraphrasing can flatten voice.
Nothing here needs training, so the risk is not difficulty — it is paying for capability you never use.
Pricing and value for money
Pricing is Free · Premium $9.95/mo (annual). At $9.95 a month that is $119.39999999999999 a year per person, cheaper than most of its category (the category median is about $39). A free tier exists, so you can test it properly before paying.
If budget is the constraint, look at the free tiers of the alternatives below. Our cost calculator will show what adding QuillBot does to your monthly stack before you commit.
Who should use QuillBot
QuillBot is the right call for study notes, essay editing and citations. Look elsewhere if not a full drafting tool is a bigger problem for you than cheapest serious writing helper is a benefit.
The alternatives worth comparing are Grammarly ($12/mo) and Wordtune ($13.99/mo). Put them side by side before you buy.
Worth a trial: QuillBot at $9.95/mo is best used for study notes and essay editing, and it earns 4.4/5 from us.