kitio.aiGrammarly vs Hyperlint
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Grammarly starts at $30/mo and Hyperlint starts at See pricing page. Check both pricing pages for current plans.
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
- Custom AI style guide
- Pull request review checks
- Automated doc update PRs
- Broken link detection
- Static site generator support
| Feature | Grammarly | Hyperlint |
|---|---|---|
| Best for | Grammar, tone and rewrite suggestions in almost every app you type in | AI style checks and upkeep for developer documentation |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $30/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Superhuman Platform Inc. | Hyperlint |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Grammarly starts at $30/mo and Hyperlint starts at See pricing page. Check both pricing pages for current plans.
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
3 plans
Free
Free
- GitHub integration
- Custom style guide
- Limited reviews
- No automations
Starter
Free trial
- Unlimited users
- Private repos
- Basic automations
Enterprise
Custom
- Priority support
- Advanced reviews
- Custom automations
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
Hyperlint
- Works inside your existing GitHub workflow
- Learns your style guide
- Proactively opens fix pull requests
- Free plan has limited reviews and no automations
- Built around developer docs in repositories
- Extra credits only on the enterprise plan
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 Hyperlint if you want:
- Works inside your existing GitHub workflow
- Learns your style guide
- Proactively opens fix pull requests
Watch out: free plan has limited reviews and no automations.
Grammarly vs Hyperlint FAQ
What is the difference between Grammarly and Hyperlint?
Grammarly: Grammar, tone and rewrite suggestions in almost every app you type in. Hyperlint: AI style checks and upkeep for developer documentation. Both are writing tools.
Is Grammarly or Hyperlint cheaper?
Grammarly starts at $30/mo and Hyperlint starts at See pricing page. Check both pricing pages for current plans.
Do Grammarly and Hyperlint have free plans?
Grammarly: Yes. Hyperlint: Yes.
Who makes Grammarly?
Grammarly is made by Superhuman Platform Inc., based in United States.
Who makes Hyperlint?
Hyperlint is made by Hyperlint.
Which should I choose, Grammarly or Hyperlint?
Choose Grammarly if you value works in nearly every app and website and free plan catches most basic errors. Choose Hyperlint if you value works inside your existing github workflow and learns your style guide.