kitio.aiGrammarly vs Grantable
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 $50 for Grantable.
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
- Funder matching from 990 data
- RFP checklist extraction
- Proposal drafting in your voice
- AI review
- Budget builder
- Deadline and award tracking
| Feature | Grammarly | Grantable |
|---|---|---|
| Best for | Grammar, tone and rewrite suggestions in almost every app you type in | AI grant writing software that finds funders and drafts proposals |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $30/mo | $50/mo |
| Free plan | Yes | Yes |
| Made by | Superhuman Platform Inc. | Grantable |
| 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 $50 for Grantable.
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
- Funder discovery
- 5 chat messages a day
- File imports up to 10 MB
Starter
$50/mo
- 20x the AI capacity of Free
- 50 chat messages a day
- Unlimited file imports
Pro
$150/mo
- 60x the AI capacity of Free
- 200 chat messages a day
- For many grants at once
Agency Hub
Contact sales
- Add-on for agencies
- Manage multiple client organizations
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
Grantable
- Free funder discovery
- No per-seat fees on any plan
- Drafts from your own past proposals
- Covers the full grant lifecycle
- Free plan allows 5 chat messages a day
- Pro plan costs $150 a month
- Funder data centers on US 990 filings
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 Grantable if you want:
- Free funder discovery
- No per-seat fees on any plan
- Drafts from your own past proposals
Watch out: free plan allows 5 chat messages a day.
Grammarly vs Grantable FAQ
What is the difference between Grammarly and Grantable?
Grammarly: Grammar, tone and rewrite suggestions in almost every app you type in. Grantable: AI grant writing software that finds funders and drafts proposals. Both are writing tools.
Is Grammarly or Grantable cheaper?
Grammarly has the lower starting price: about $30 a month, against $50 for Grantable.
Do Grammarly and Grantable have free plans?
Grammarly: Yes. Grantable: Yes.
Who makes Grammarly?
Grammarly is made by Superhuman Platform Inc., based in United States.
Who makes Grantable?
Grantable is made by Grantable.
Which should I choose, Grammarly or Grantable?
Choose Grammarly if you value works in nearly every app and website and free plan catches most basic errors. Choose Grantable if you value free funder discovery and no per-seat fees on any plan.