Grammarly vs ProWritingAid — Head-to-Head Comparison
Quick verdict: Grammarly edges ahead
with a 4.5/5 rating vs 4.4/5.
See the full breakdown below.
Feature Comparison
| Feature | Grammarly | ProWritingAid |
|---|---|---|
| Real-time grammar, spelling, and punctuation correction | ✓ | — |
| Tone Detector | ✓ | — |
| Clarity and conciseness suggestions | ✓ | — |
| Vocabulary enhancement | ✓ | — |
| Plagiarism detection (Premium) | ✓ | — |
| GrammarlyGO (generative AI rewrites and suggestions) | ✓ | — |
| Style Guides (Business plan) | ✓ | — |
| Browser extension (Chrome, Firefox, Safari, Edge) | ✓ | — |
| Desktop app for Windows and Mac | ✓ | — |
| Microsoft Word and Google Docs add-ins | ✓ | — |
| 20+ writing analysis reports | — | ✓ |
| Real-time grammar and style suggestions | — | ✓ |
| Sticky Sentences and Cliché detection | — | ✓ |
| Sentence length and variation analysis | — | ✓ |
| Readability scoring by paragraph | — | ✓ |
| Repetition and overused word reports | — | ✓ |
| Scrivener and Google Docs integration | — | ✓ |
| Microsoft Word add-in | — | ✓ |
| Plagiarism checker (Premium) | — | ✓ |
| AI Sparks (writing suggestions and rewrites) | — | ✓ |
Pricing Comparison
| Plan | Grammarly | ProWritingAid |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Subscription | Subscription + Lifetime |
Which Should You Choose?
Choose Grammarly if...
AI writing assistant trusted by 30 million daily users for grammar and clarity
Try Grammarly FreeChoose ProWritingAid if...
Deep AI writing analysis for fiction, non-fiction, and professional writers
Try ProWritingAid Free