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Writesonic vs Grammarly

A detailed comparison of Writesonic and Grammarly — features, pricing, pros & cons, and which one is right for you.

Last updated: April 12, 2026
MonthlyAnnual
Writesonic

Writesonic

4.4(1,456 reviews)
Free tierFrom $20/mo
Grammarly

Grammarly

4.7(15,234 reviews)
Free tierFrom $25/mo

Pricing Comparison

PlanWritesonicGrammarly
Free TrialFreeFree
Unlimited$20/mo$30/mo
Business$30/mo$25/mo
EnterpriseCustom—

Feature Comparison

FeatureWritesonicGrammarly
API access
Ad copy
Brand voice
Free tier
Image generation
Long-form writing
Plagiarism checker
SEO optimization
Team collaboration

Pros & Cons

Writesonic

Writesonic

Pros

  • Lifetime recurring affiliate
  • Real-time data access
  • Chatsonic chatbot
  • Good value

Cons

  • Output quality inconsistent
  • UI cluttered
  • Credit system confusing
Grammarly

Grammarly

Pros

  • Industry standard
  • Browser extension
  • Tone detection
  • Plagiarism checker

Cons

  • Expensive premium
  • Aggressive upselling
  • Sometimes over-corrects

The Verdict

Overall Winner: Writesonic

Writesonic edges ahead with a 4.4 rating and stronger feature set, though Grammarly remains a solid alternative, especially with its free tier.

Best Value

Writesonic

From $20/mo

Most Features

Writesonic

9 features

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Thinking of switching?

Read our step-by-step migration guide to switch from Writesonic to Grammarly (or vice versa) without losing data.

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