Grammarly vs Writefull
A side-by-side comparison of Grammarly and Writefull, two Writing tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
Grammarly
WritingAI writing assistant for grammar, tone, clarity, and generative drafting.
View GrammarlyAt a glance
| Attribute | Grammarly | Writefull |
|---|---|---|
| Category | Writing | Writing |
| Pricing | FREEMIUM | FREEMIUM |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms (differs) | Web, Browser extension, Windows, macOS, iOS, Android | Web, Browser extension |
| Model support (differs) | Multi-model | Self-contained (on-device) |
| Vendor (differs) | Grammarly | Writefull (Digital Science) |
The honest brief
Grammarly
Runs system-wide across browsers, desktop, and mobile keyboards, so corrections follow you into any app.
- Works in 1M+ apps and sites
- Real-time grammar/clarity/tone checks
- Browser, desktop, and mobile keyboard
- Plagiarism + AI-text detection on paid tiers
- Monthly AI prompt caps per tier
- Over-corrects style at times
- Weak at long-form generation
- Passive assistant, can't take actions
Writefull
Its models are trained on millions of published journal articles, so suggestions match academic register better than general-purpose grammar tools.
- Language models tuned on scholarly prose
- Integrates with Word and Overleaf
- Title and abstract generation
- Free tier for everyday checks
- Free tier caps daily revisions
- Scoped to academic writing only
- Proprietary models — no LLM choice or BYO key