kitio.aiGrammarly vs Prompt Cowboy
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Prompt Cowboy has the lower starting price: about $8 a month, against $30 for Grammarly.
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
- Prompt rewriting
- Prompt templates
- Saved prompt library
- Personal memories
- Writing style matching
| Feature | Grammarly | Prompt Cowboy |
|---|---|---|
| Best for | Grammar, tone and rewrite suggestions in almost every app you type in | Turns rough requests into detailed prompts for ChatGPT and Claude |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $30/mo | $8/mo |
| Free plan | Yes | Yes |
| Made by | Superhuman Platform Inc. | Prompt Cowboy |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Prompt Cowboy has the lower starting price: about $8 a month, against $30 for Grammarly.
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
2 plans
Free
Free
- Unlimited prompts on standard model
- Saved prompt library
Individual
$8/mo
- Best model on every prompt
- Profile that learns how you work
- Writing style matching
- Follow-on prompts
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
Prompt Cowboy
- Unlimited free prompts
- Works with any chatbot
- Low-cost paid plan
- Adds a step before using your chatbot
- Best model reserved for paid users
- No direct chatbot integration
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 Prompt Cowboy if you want:
- Unlimited free prompts
- Works with any chatbot
- Low-cost paid plan
Watch out: adds a step before using your chatbot.
Grammarly vs Prompt Cowboy FAQ
What is the difference between Grammarly and Prompt Cowboy?
Grammarly: Grammar, tone and rewrite suggestions in almost every app you type in. Prompt Cowboy: Turns rough requests into detailed prompts for ChatGPT and Claude. Both are writing tools.
Is Grammarly or Prompt Cowboy cheaper?
Prompt Cowboy has the lower starting price: about $8 a month, against $30 for Grammarly.
Do Grammarly and Prompt Cowboy have free plans?
Grammarly: Yes. Prompt Cowboy: Yes.
Who makes Grammarly?
Grammarly is made by Superhuman Platform Inc., based in United States.
Who makes Prompt Cowboy?
Prompt Cowboy is made by Prompt Cowboy.
Which should I choose, Grammarly or Prompt Cowboy?
Choose Grammarly if you value works in nearly every app and website and free plan catches most basic errors. Choose Prompt Cowboy if you value unlimited free prompts and works with any chatbot.