Grammarly
AI writing assistant that corrects, rewrites and tone-checks your text across every app
AI writing assistant that corrects, rewrites and tone-checks your text across every app
Connect AI models and 9,000+ business apps into automated workflows and agents
Grammarly is listed under AI Assistants and Zapier under Productivity. Both have a free plan or trial. Only Grammarly is available on Windows, macOS and iOS. Only Zapier is available on CLI.
Zapier
17 features compared.
Plans as listed by each vendor. Check their sites for current prices.
$0
Basic writing help for individuals
$30/month
Individuals and eligible teams wanting advanced rewrites and detection
Custom/custom
Larger organizations with security and governance needs
$0
Entry plan for trying automation
$29.99/month
Individuals and small teams building multi-step automations
$103.50/month
Teams collaborating on shared automations
Custom/custom
Large organisations needing governance and scale
Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.
Grammarly leads in 3 categories and Zapier in 2.
Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.
Picked by our editors. Not paid placement.
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AI Assistants
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Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources
It depends on your workflow. Grammarly is built for polishing emails and documents in real time across many apps, keeping tone and style consistent across a team. Zapier is built for connecting SaaS apps without code, adding AI steps to existing business workflows, giving AI assistants controlled access to business tools.
Grammarly: AI writing assistant that corrects, rewrites and tone-checks your text across every app. Zapier: Connect AI models and 9,000+ business apps into automated workflows and agents.
Yes, both do. Grammarly is freemium and Zapier is freemium, and each has a free plan or trial.
Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.