Grammarly vs Writesonic

A side-by-side comparison to help you choose the right tool.

Grammarly scores higher overall (80/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls.
Free plan
Yes
Best for
professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides
Platforms
web, desktop, mobile, browser-extension
API
No
Languages
en
Pricing
Free plan with limited credits. Individual plan at $16/month. Team plans from $13/month per seat.
Free plan
Yes
Best for
SEO-focused blog post creation, small business owners writing their own marketing copy, generating landing page and ad copy quickly, content marketers who need built-in factual sourcing
Platforms
web, browser-extension, api
API
Yes
Languages
en, es, fr, de, pt, it, nl, ja, zh

Choose Grammarly if:

  • You are professionals writing emails and business documents
  • You are students improving academic writing
  • You are content creators and marketers polishing copy
  • You want to start free
Read Grammarly review →

Choose Writesonic if:

  • You are SEO-focused blog post creation
  • You are small business owners writing their own marketing copy
  • You are generating landing page and ad copy quickly
  • You want to start free
Read Writesonic review →

FAQ

What is the difference between Grammarly and Writesonic?
Grammarly is the most widely used ai writing assistant, offering real-time grammar, spelling, tone, and clarity suggestions across virtually any text field via browser extensions, desktop apps, and mobile keyboards. its generative ai features now handle full rewrites and drafting. Writesonic is ai writing tool combining blog post generation, seo optimization, and marketing copy in one platform with built-in search capabilities.
Which is cheaper, Grammarly or Writesonic?
Grammarly: Free plan with basic grammar and spelling checks. Premium at $12/month (annual) or $30/month (monthly) adds tone, clarity, full-sentence rewrites, and plagiarism detection. Business at $15/user/month with style guides, brand tones, and admin controls.. Writesonic: Free plan with limited credits. Individual plan at $16/month. Team plans from $13/month per seat.. Grammarly has a free plan. Writesonic has a free plan.
Who is Grammarly best for?
Grammarly is best for professionals writing emails and business documents, students improving academic writing, content creators and marketers polishing copy, non-native English speakers building confidence, teams enforcing consistent brand voice and style guides.
Who is Writesonic best for?
Writesonic is best for SEO-focused blog post creation, small business owners writing their own marketing copy, generating landing page and ad copy quickly, content marketers who need built-in factual sourcing.