Writing & Copy comparison 
Grammarly vs Jasper
Our pick: Grammarly scores 9.2/10 against 8.4/10 for Jasper. Here's how they differ and which one fits your needs.
Grammarly
AI writing assistant for grammar, clarity and tone everywhere
9.2/10From $12/moOur pick
Visit Grammarly VS
At a glance
| Grammarly | Jasper | |
|---|---|---|
| Our score | 9.2/10 | 8.4/10 |
| Best for | Students, Professionals, Teams | Marketing teams, Agencies |
| Type | Grammar & editing | Copywriting |
| Pricing | Free plan | Free trial |
| Starting price | $12/mo | See website |
| Platforms | Web, Chrome, Mac, Windows, iOS, Android | Web, Chrome, API |
| Launched | 2009 | 2021 |
Key features
Grammarly
- Grammar and spelling
- Tone detection
- Generative rewrites
- Plagiarism checker
- AI detector
- Works in most apps
Jasper
- Brand Voice
- Marketing agents
- Campaign workflows
- Style guides
- Chrome extension
- API
Grammarly: pros and cons
Pros
- Works almost everywhere you type
- Excellent grammar and clarity suggestions
- Strong free plan
Cons
- Best suggestions require Pro
- Can over-flag stylistic choices
Jasper: pros and cons
Pros
- Strong brand-voice controls
- Built for team collaboration
- Many marketing templates
Cons
- Expensive for individuals
- Output still needs editing
Verdict: Grammarly or Jasper?
Choose Grammarly if you're students or professionals or teams and value works almost everywhere you type.
Choose Jasper if you're marketing teams or agencies and value strong brand-voice controls.
Overall we rate Grammarly slightly higher. Both are worth trying, and at least one has a free plan or trial. See all Writing & Copy tools for more options.
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