ContentKing vs Grammarly
AI Writing Tools pricing comparison · 2026
ContentKing pricing ranges from $39–$1279/month, while Grammarly ranges from $0–$12/month. Grammarly is typically 93% more affordable, though your actual cost depends on tier and team size.
VS
ContentKing and Grammarly both operate in the ai writing tools category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | ContentKing | Grammarly |
|---|---|---|
| Basic | $39 /month | Free /month |
| Standard | $179 /month | $12 /month |
| Pro | $339 /month | Custom |
| Enterprise | $1.3K /month | — |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
ContentKing
3 scenarios$39/month
Small Business Website
for Basic plan with real-time monitoring and unlimited users
$179/month
Growing Agency
for Standard plan with enhanced monitoring and priority support
$1,279/month
Enterprise SEO Team
for Enterprise plan with dedicated account management and custom training
Grammarly
3 scenarios$0/month (Free plan)
Student or Casual Writer
basic grammar, spelling, tone detection, and 100 AI prompts/month. Sufficient for occasional writing. Upgrade to Pro at $12/month annual if you need plagiarism detection for academic work.
$12/month (Pro annual at $144/year)
Professional Writer or Content Marketer
full-sentence rewrites, advanced tone and clarity suggestions, plagiarism detection, and 2,000 AI prompts/month. Best value for regular professional use.
Custom pricing (Enterprise plan) -- unlimited AI prompts, SAML SSO, style guides, admin analytics, dedicated account manager. Estimated $15-25/user/month depending on team size and contract terms.
Enterprise Organization (200+ employees)
Market Intelligence
ContentKing
- Median annual cost
- $2,375
- Based on
- 11 deals
Grammarly
- Median annual cost
- $19,050