DOAGrammarly vs QuillBot: which one to choose?
We compare Grammarly and QuillBot on price, devices, difficulty and who each one suits, using the data on their DOA pages.
Grammarly
Writing checker and assistant that sits in the browser and editor. More reliable for English than for long creative drafts.
QuillBot
Rewrites sentences, summarises and checks grammar. Common for school work. It does not replace citing sources.
DOA verdict for writing
Grammarly wins
74.5 Grammarly · 64.5 QuillBot / 100
Students submitting work in English. Fits into the flow of writing emails.
Why
- DOA score in writing · Grammarly: 69/100 vs 64/100
- Free version · Grammarly: 74/100 vs 72/100
- Ease of use: tie
- Devices · Grammarly: 5 vs 1
Pick QuillBot if…
Improve the clarity of a paragraph. Simple for students.
How we decide: this verdict uses a formula of its own for comparisons, different from the DOA score: DOA score in writing (60%), free version (20%), ease of use (10%) and devices (10%). Data from each tool page, reviewed on 5 October 2026. How we calculate the DOA score and the verdict
| Grammarly | QuillBot | |
|---|---|---|
| Price | Freemium Free with 100 AI prompts. Pro from €12 a month with 2,000 prompts. | Freemium Limited free tier. Premium is paid. |
| Devices | Browser · Windows · Mac · Android · iPhone / iPad | Browser |
| Level | Easy | Easy |
| What it is for | Writing Study Getting work done Marketing | Writing Study |
| DOA score | 69/100 | 64/100 |
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On the overall DOA score, Grammarly gets 69/100 and QuillBot 64/100. It is an indicative rating: try both on a real task before you pay.
Grammarly is a better fit for
- Students submitting work in English
- Support and marketing teams
QuillBot is a better fit for
- Improve the clarity of a paragraph