Grammarly
Grammarly Inc.
8
Overall Score / 10
Jasper
Jasper AI Inc.
6.2
Overall Score / 10
Our Verdict
Choose Grammarly if:
- —Anyone wanting grammar and style checking everywhere they write
- —Business teams needing consistent brand voice across communications
- —Non-native English speakers improving their writing
Choose Jasper if:
- —Marketing teams needing brand-consistent AI content
- —Enterprise content operations with style guides and brand voice
- —Teams producing high-volume marketing copy
The biggest difference: Grammarly is an inline writing assistant that checks grammar, tone, and clarity everywhere you type. Jasper generates marketing content from scratch with brand voice control and campaign workflows.
Side-by-Side Comparison
| Criteria | Grammarly | Jasper |
|---|---|---|
| Cheapest Paid Plan | $30/mo (Pro)Source: Grammarly Inc. pricing page → | $49/mo (Creator)Source: Jasper AI Inc. pricing page → |
| Free Tier | Yes Basic grammar and spelling corrections, tone detection, 100 AI prompts/month | No |
| Value for Money | 7 | 5 |
| Ease of Use | 10 | 7 |
| Feature Power | 7 | 7 |
| Setup Ease | 10 | 7 |
| Migration Ease | 9 | 8 |
| Transparency | 7 | 5 |
| Deployment | cloud | cloud |
| API Available | Yes | Yes |
| Platforms | Web, Mac, Windows, iOS, Android, Browser extensions | Web, Chrome extension |
| Compliance | SOC 2 Type II, GDPR, HIPAA (Enterprise) | SOC 2 Type II, GDPR |
Feature Comparison
Feature Comparison Matrix
19 features compared · 18 differences
| Feature | Grammarly | Jasper |
|---|---|---|
| Core | ||
| Brand tones | Full | None |
| Brand voice and knowledge | None | Full |
| Browser extension | Full | None |
| Chrome extension | None | Full |
| Clarity rewrites | Full | None |
| Content repurposing | None | Full |
| Desktop app | Full | None |
| Grammar and spelling | Full | None |
| Mobile keyboard | Full | None |
| Plagiarism detection (Pro) | Full | None |
| SEO mode | None | Full |
| Style guides (Enterprise) | Full | None |
| Team collaboration | None | Full |
| Tone detection | Full | None |
| Advanced | ||
| AI image generation | None | Full |
| Campaign workflows | None | Full |
| Generative AI (GrammarlyGO) | Full | None |
| Templates library | None | Full |
| Integrations | ||
| API access (Business) | Full | Full |
Pricing Comparison
Grammarly Pricing
Basic grammar/spelling, tone detection, 100 AI prompts/month
Advanced rewrites, plagiarism detection, 2,000 AI prompts/month, brand tones
Unlimited AI prompts, SSO, SCIM, admin console, brand voice, analytics
Jasper Pricing
1 seat, brand voice, SEO mode, AI image generation
1 seat, 3 brand voices, collaboration, AI assistant
Unlimited brand voices, custom AI apps, API access, SSO, dedicated support
Who Should Choose Which?
Who should choose Grammarly
Best for
- Anyone wanting grammar and style checking everywhere they write
- Business teams needing consistent brand voice across communications
- Non-native English speakers improving their writing
Avoid if
- You need long-form content generation (Jasper, Copy.ai are better)
- You write primarily in languages other than English
- You want a privacy-first tool (Grammarly processes text in the cloud)
Who should choose Jasper
Best for
- Marketing teams needing brand-consistent AI content
- Enterprise content operations with style guides and brand voice
- Teams producing high-volume marketing copy
Avoid if
- You want a free or cheap AI writing tool
- You need general-purpose AI (ChatGPT is more versatile)
- You're an individual writer on a budget
Switching Guidance
Switching from Grammarly
Common triggers to leave:
- •Need long-form content generation
- •Privacy concerns about cloud processing
- •Need multi-language support
Potential blockers:
- •Habit of having Grammarly everywhere (browser, desktop, mobile)
- •Enterprise brand voice and style guide setup
- •Team analytics data
Switching from Jasper
Common triggers to leave:
- •Price for individual users
- •ChatGPT/Claude offers similar capabilities cheaper
- •Limited general-purpose AI tasks
Potential blockers:
- •Brand voice configurations
- •Template library
- •Team workflows
Try Grammarly
Start free — no credit card required
Try Jasper
Plans from $49/mo