Grammarly: Full Review of the AI Writing Assistant in 2025

Introduction

In today’s world, where every word can influence a deal or a brand’s image, writing accuracy has become critical. But how do you write without mistakes, quickly, and professionally? This is where Grammarly comes in — one of the most popular AI writing assistants.

By 2025, Grammarly has evolved from a “grammar checker” into a full-fledged assistant for writing, style, and even idea generation.

 

Table of Contents

1. What is Grammarly?
2. Key Features in 2025
3. Interface and Ease of Use
4. 🔍 Verified Data
5. Pros and Cons
6. Pricing and Plans
7. Grammarly for Business and Marketing
8. Alternatives and Competitors
9. Conclusion

 

What is Grammarly?

Grammarly is an AI-powered tool that helps users write accurately, persuasively, and without errors. It works as a browser extension, desktop app, mobile app, and plugin for Google Docs, Outlook, Slack, and many other platforms.

💡 Fact: More than 40 million people use Grammarly daily.

 

Key Features in 2025

• ✅ Grammar and punctuation checks — 99% more accurate than built-in checkers.
• ✨ AI-powered style assistant — suggestions for clarity, tone, and audience adaptation.
• 🌍 Multilingual support:
  • Full grammar checking in 6 languages: English, Spanish, French, Portuguese, German, Italian.
  • Inline translation across 19 languages.
• 🧠 Grammarly AI Chat — text generation and editing assistant.
• 📊 Text analytics — readability, originality, and style reports.

 

Interface and Ease of Use

Grammarly works quietly in the background: in browsers, it appears as in-text popups; in apps, it provides a separate sidebar with insights.

Example:
✍️ Writing an email in Gmail → Grammarly instantly suggests corrections and improves your tone.

 

🔍 Verified Data

Users / Activity

• Over 40 million daily users.
• Grammarly has raised $1 billion in funding and generates $700+ million in annual revenue.

Pricing / Plans

• Free version available.
• Pro (formerly Premium):
  • $12/month (annual plan)
  • $30/month (monthly plan)
• Pro replaces Premium.
• Enterprise/Business tiers available with extended security, analytics, and collaboration tools.

Revenue

• Grammarly’s annual revenue in 2024 exceeded $700 million.

Clients / Organizations

• Over 50,000 organizations use Grammarly.

 

Pros and Cons

✔ Pros	✖ Cons
Easy to use	Free version is limited
Integrations with Google Docs, Slack, Outlook	Sometimes too strict with edits
AI chat and multilingual support	Doesn’t fully replace human writing style
Widely used in business	Pro pricing can be expensive

 

Pricing and Plans

Plan	Price (2025)	Best for
Free	$0	Basic grammar checking
Pro	$12/month (annual) / $30 (monthly)	Freelancers, students, creators
Business / Enterprise	Custom pricing	Teams, agencies, enterprises

 

Grammarly for Business and Marketing

• 📧 Error-free email campaigns = improved customer trust.
• 📱 Polished social media posts = stronger brand image.
• 📑 Clear reports and presentations = better readability and communication.

🔗 Tip: Combine Grammarly with Notion AI or Jasper for a complete content creation + editing workflow.

 

Alternatives and Competitors

• QuillBot — strong in paraphrasing.
• ProWritingAid — deep style analytics.
• DeepL Write — excellent multilingual writing support.

 

Conclusion

In 2025, Grammarly is no longer just a grammar checker but a comprehensive AI writing assistant. It saves time, helps businesses look professional, and boosts writers’ creativity.

“To write well is to think well.” — David McCullough

👉 Try Grammarly and compare it with other AI tools on AIMarketWave.