Grammarly

A Tier · 8.0/10

AI writing assistant that catches errors everywhere you type -- now with full AI rewriting

Last updated: 2026-03-26Free tier available

Score Breakdown

10.0

Ease of Use

7.0

Output Quality

7.0

Value

8.0

Features

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The Good and the Bad

What we like

+Works everywhere -- browser extension, desktop app, mobile keyboard, Google Docs, Office
+Grammar and spelling correction is the best available, period
+Tone and clarity suggestions genuinely improve writing
+The AI rewriting feature is useful for polishing, not just generating from scratch

What could be better

−AI writing capabilities are basic compared to Claude or ChatGPT
−Premium feels necessary -- the free tier misses too many suggestions
−Can be overly aggressive with suggestions, making writing feel generic
−Desktop app is heavy and can slow down your system

Pricing

Free

✓Basic grammar/spelling
✓Tone detection
✓100 AI prompts/mo

Premium

$12/month

✓Advanced suggestions
✓Plagiarism detection
✓1,000 AI prompts/mo
✓Full rewriting

Business

$15/user/month

✓Brand tones
✓Analytics
✓Admin controls
✓2,000 AI prompts/mo

Known Issues

Browser extension occasionally conflicts with web-based editors (Notion, Confluence), causing formatting issuesSource: Grammarly Community · 2026-03

Best for

Non-native English speakers, professionals who write lots of emails, and anyone who wants a passive grammar net running in the background. It catches things you'd miss.

Not for

Creative writers who have a deliberate style (Grammarly will try to 'fix' it) or anyone who just needs AI content generation (use Claude/ChatGPT).

Our Verdict

Grammarly is less of an AI tool and more of a writing safety net that now has AI features bolted on. It's excellent at what it was built for -- catching errors and improving clarity. The AI rewriting is fine but not why you'd buy it. Think of it as spell-check on steroids, not an AI writer.

Sources

Grammarly official site (accessed 2026-03-26)
G2 Reviews (accessed 2026-03-26)
Daily use testing (accessed 2026-03-26)

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Outage check plus rolling log of known issues

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Updated 2026-04-27