Estimated monthly cost comparison — not just the headline price
Grammarly and Sketch do different jobs, so this is not a like-for-like comparison. The prices below are shown side by side for reference only; compare what each tool does before comparing cost.
Prices change often — confirm on the vendor's site before buying. Report incorrect pricing →
Quick Take
Different tools for different jobs — no cost winner
Based on advertised price plus documented recurring fees, not your exact usage.
Best for Grammarly
AI writing assistant for grammar, clarity, and tone. Free plan is basic, then $12-$15/user/mo for fu
Best for Sketch
Mac-only design tool. Standard plan $12/editor/mo. Simpler than Figma but limited to macOS and less
AI writing assistant for grammar, clarity, and tone. Free plan is basic, then $1...
Advertised
$0
/month
Estimated monthly cost
$12
/month (illustrative)
AI Writing Assistance Limits
Generative AI features (rewrite, compose, ideate) have monthly prompt limits. Premium gets 1,000 pro...
Premium Required for Full Features
Free plan only catches basic grammar and spelling. Clarity, tone detection, word choice, formality l...
Per-Seat Team Pricing
Grammarly Business at $15/user/mo. A 50-person team = $750/mo ($9,000/yr). Team analytics, style gui...
Mac-only design tool. Standard plan $12/editor/mo. Simpler than Figma but limite...
Advertised
$12
/month
Estimated monthly cost
$20
/month (illustrative)
Mac Hardware Requirement
Sketch runs only on macOS. Teams must buy Macs ($1,000-2,500 each). This is the biggest hidden cost ...
Business Plan for SSO
SSO/SAML requires Business at $20/editor/mo — 67% more than Standard. Required for any company with ...
Grammarly advertises $0/mo. Sketch advertises $12/mo.
Grammarly has 3 documented hidden fees. Sketch has 2.
Grammarly confidence: 76%. Sketch confidence: 74%.
| Metric | Grammarly | Sketch | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $12/mo | Grammarly |
| Estimated Monthly Cost | $12/mo | $20/mo | — |
| Recurring Extra Fees | +$12/mo | +$8/mo | Sketch |
| One-Time Costs | $0 | $0 | — |
| # Documented Fees | 3 | 2 | — |
| Pricing Tiers | 3 | 0 | — |
| Affiliate Program | None | None | — |
Grammarly advertises $0/mo and Sketch advertises $12/mo. Grammarly has 3 documented extra fees (recurring: +$12/mo), while Sketch has 2 (recurring: +$8/mo). Grammarly and Sketch do different jobs, so there is no like-for-like cost winner — compare what each one does before comparing price. Your real cost depends on seats and usage — use the calculator for your numbers.
Grammarly has 3 documented extra fees: AI Writing Assistance Limits, Premium Required for Full Features, Per-Seat Team Pricing. Recurring fees add roughly $12/mo on top of the $0/mo advertised price.
Sketch has 2 documented extra fees: Mac Hardware Requirement, Business Plan for SSO. Recurring fees add roughly $8/mo on top of the $12/mo advertised price.
Choose Grammarly if: AI writing assistant for grammar, clarity, and tone. Free plan is basic, then $12-$15/user/mo for fu. Choose Sketch if: Mac-only design tool. Standard plan $12/editor/mo. Simpler than Figma but limited to macOS and less . The right choice depends on your team size, usage volume, and which features you need most.
This comparison is compiled from public vendor pricing pages and documentation. It uses illustrative assumptions (see "Cost Comparison Summary"), not your exact seats or usage, and vendor prices change often. Confirm current prices on each vendor's site, and use our calculator with your own usage for a closer estimate. Spotted an error? Email hello@trulycritic.com.
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