Grammarlygrammarly.com ↗
What it does
grammar/spelling/tone correction everywhere you type, AI text generation, brand/style enforcement (team tiers)
Strong fit
polishing business writing across every app you already use; the business-writing archetype's review step
Poor fit
privacy-sensitive drafting with default settings, training on content is ON by default (opt-out exists); long-form generation from scratch (100 AI prompts/month on free)
Limitations
suite churn risk: Grammarly is being folded into the Superhuman Suite and Enterprise is sold "through Superhuman Go"
Privacy & data handling
Grammarly uses your content to train its models by default; you can turn this off under Product Improvement and Training in account settings. SOC 2 Type 2, ISO 27001 and related certifications.
Verified facts
Company renamed to Superhuman (Grammarly, Coda, Mail, Go suite), 2025-10-29; product stays "Grammarly"
GA, free signup + 7-day Pro trial; Windows/Mac apps, Chrome/Safari/Firefox/Edge extensions, iOS/Android, Office + Google Docs
Pro $12 USD/mo (billing basis not displayed, see unverified); Enterprise via sales through Superhuman Go
$0: basic corrections + tone; 100 AI prompts/month (Pro: 2,000)
Training ON by default; opt-out: "turn off Product Improvement and Training in your account settings"; saved docs stored until deleted; SOC 2 Type 2, SOC 3, ISO 27001/27017/27018/27701, ISO 42001; AES-256/TLS 1.2
Team tiers add style guide, brand tones, snippets, roles, DLP
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Build my routeFacts above were checked on the dates shown and can change — confirm on the vendor’s own site before you rely on them.