ContentKing vs Grammarly
AI Writing Tools pricing comparison · 2026
ContentKing uses custom pricing, while Grammarly ranges from $0–$12/month. These products use different pricing models ( vs Per-seat subscription), so a direct price comparison isn't meaningful — costs depend on usage volume and mix.
Sources & confidence
Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.
Plans at a glance
Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.
Contract terms
The fine print, surfaced. Green = buyer-friendly. Each clause backed by a quoted source.
What users say
Aggregated, with sample sizes. We use whichever review platform has data.
ContentKing and Grammarly both operate in the ai writing tools category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | ContentKing | Grammarly |
|---|---|---|
| Essentials | Custom | Free /month |
| Growth | Custom | $12 /month |
| Enterprise | Custom | Custom |
Market Intelligence
ContentKing
- Median annual cost
- $2,375
- Based on
- 11 deals
Grammarly
- Median annual cost
- $19,050
Contract Terms
| Term | ContentKing | Grammarly |
|---|---|---|
| Auto-renewal | Yes | Yes |
| Cancellation | 30, 60, or 90 days | Must cancel before renewal date to avoid charges |
| Minimum commitment | commitment for the renewed term if not canceled within the window | — |
| Price escalation | 5% to 10% | Promotional rates valid for one subscription period only; standard rates apply upon renewal without published advance notice |