Grammarly vs Grantboost
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Grammarly has the lower starting price: about $30 a month, against $32 for Grantboost.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Grammar and spelling checks
- Tone detection
- Full-sentence rewrites
- Plagiarism checker
- Authorship tracking
- Grant discovery
- AI mission matching
- Proposal drafting
- Brand voice training
- Weekly alerts
- Pipeline management
| Feature | Grammarly | Grantboost |
|---|---|---|
| Best for | Grammar, tone and rewrite suggestions in almost every app you type in | Finds matching grants and drafts proposals in your voice |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $30/mo | $32/mo |
| Free plan | Yes | Yes |
| Made by | Superhuman Platform Inc. | Grantboost |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Grammarly has the lower starting price: about $30 a month, against $32 for Grantboost.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Spelling and grammar checks
- Tone detection
- 100 AI prompts
Pro
$30/mo
- Per member
- Full-sentence rewrites
- Tone adjustments
- Plagiarism and AI detection
Enterprise
Contact sales
- BYOK encryption
- Custom roles and permissions
- Data loss prevention
- Dedicated support
4 plans
Free
Free
- 10 writer chats a month
- 10 grant views a month
Find Grants
$32/mo
- 1 seat
- 5 active projects
- AI mission matching
- Weekly alerts
Find + Write Grants
$49/mo
- 5 seats
- 20 active projects
- Brand voice training
- Grant templates
Autopilot
$66/mo
- Unlimited seats
- 50 active projects
- Full template library
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Grammarly
- Works in nearly every app and website
- Free plan catches most basic errors
- Clear explanations for each suggestion
- Best features need the paid plan
- Can flatten a writer's personal style
- English only
Grantboost
- Search and drafting in one place
- Free tier with no expiry
- Plans include unlimited AI usage
- Free tier is limited to 10 chats a month
- Drafting needs the $49 plan or higher
- Plans cap active projects
Which one should you choose?
Choose Grammarly if you want:
- Works in nearly every app and website
- Free plan catches most basic errors
- Clear explanations for each suggestion
Watch out: best features need the paid plan.
Choose Grantboost if you want:
- Search and drafting in one place
- Free tier with no expiry
- Plans include unlimited AI usage
Watch out: free tier is limited to 10 chats a month.
Grammarly vs Grantboost FAQ
What is the difference between Grammarly and Grantboost?
Grammarly: Grammar, tone and rewrite suggestions in almost every app you type in. Grantboost: Finds matching grants and drafts proposals in your voice. Both are writing tools.
Is Grammarly or Grantboost cheaper?
Grammarly has the lower starting price: about $30 a month, against $32 for Grantboost.
Do Grammarly and Grantboost have free plans?
Grammarly: Yes. Grantboost: Yes.
Who makes Grammarly?
Grammarly is made by Superhuman Platform Inc., based in United States.
Who makes Grantboost?
Grantboost is made by Grantboost.
Which should I choose, Grammarly or Grantboost?
Choose Grammarly if you value works in nearly every app and website and free plan catches most basic errors. Choose Grantboost if you value search and drafting in one place and free tier with no expiry.