Head to head

Grammarly vs Sudowrite

Grammarly

No reviews yet

2 wins

Sudowrite

No reviews yet

2 wins

Our verdict

Honestly? It’s a draw on the 7 things we checked. Your use case should decide.

Money-wise, Sudowrite is the friendlier option ($10 vs $12).

Go with Grammarly if you’d like to try before paying and you prefer the crowd favourite.
Go with Sudowrite if you’re watching the budget and you want to build on top of it.

Grammarly vs Sudowrite: side by side

Criteria	Grammarly	Sudowrite
Pricing model	Freemium	Paid
Starting price	$12	$10 ✓
Free plan	Yes ✓	No
User rating	—	—
Reviews	0	0
API	No	Yes ✓
Platforms	web, browser-extension	web, browser-extension
Popularity	95k pts ✓	53k pts

Grammarly features

✓ Real-time grammar and spelling checks across apps
✓ Tone detection and adjustment suggestions
✓ Generative AI for drafting and rewriting text
✓ Browser extension, desktop app and mobile keyboard

Best for

• Polishing work emails before sending
• Checking reports and essays for clarity
• Adjusting the tone of a sensitive message

Try Grammarly ↗

Sudowrite features

✓ Story Bible for characters, worldbuilding and outlines
✓ Describe tool for sensory scene details
✓ Brainstorm mode for plot ideas and names
✓ Rewrite and expand tools for prose passages

Best for

• Getting unstuck on a chapter that will not move
• Brainstorming character names and backstories
• Adding sensory detail to a flat scene

Try Sudowrite ↗

FAQ

Should I use Grammarly or Sudowrite?+

They’re neck and neck. Grammarly shines for anyone who writes daily at work and wants fewer embarrassing typos; Sudowrite for novelists and hobby storytellers who want an idea partner.

Is Grammarly cheaper than Sudowrite?+

No — Sudowrite starts at $10, Grammarly at $12.

Do Grammarly and Sudowrite have free plans?+

Grammarly: Free · Pro $12/mo. Sudowrite: From $10/mo.