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Sealis vs Brivvy

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Sealis compared with Brivvy
DetailSealis logo SealisBrivvy logo Brivvy
What it doesYour voice, kept yours, wherever AI writes or speaks for you How modern teams write to convert.
StageNot given Not given
FoundedNot given Not given
Based inAU Not given
Pricing modelFreemium Not given
PricingFree: A$0/month with 10 rewrites per month and 1 voice. Pro: A$11.99/month with 150 rewrites per month (currently on waitlist). Studio: A$34.99/month for up to 5 clients, each with their own voice, 300 rewrites per month, and client approval pages. Free: $0 per month, unlimited members, 1 voice, 3 templates, MCP server. Business: $8 per user per month billed yearly (save 20%). Enterprise: coming soon.
Key features
  • Rewrite drafts in your voice while keeping facts, numbers and dates unchanged
  • Measure drafts for stock phrases, rhythm, word choice and punctuation
  • Save and learn from your writing style with every correction
  • Studio: save a voice per client with approval pages
  • Free Score tool with no signup required
  • Brand voice definition with tone, style rules and linguistic behavior configuration
  • MCP integration to connect with Claude, ChatGPT, Cursor and other AI tools
  • Audience context configuration for targeted messaging
What makes it different
  • Automatically flags when rewrites drop or add numbers, dates or names without user approval
  • Learns from your corrections to improve rewrites over time
  • Preserves formality level and register while removing template phrases
  • Works across text, audio and visual formats with consistent voice
  • Built on published research and test results
  • Enforces brand consistency automatically across all AI tools without extra steps or manual prompting
  • Brand voice lives in the tools as enforceable parameters rather than in unread PDF style guides
  • Works with every AI tool your team uses through MCP integration
  • Solves the mechanical inconsistency problem that AI creates at scale
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check11 no change since last check
Trust Flow (Majestic)35
Citation Flow (Majestic)2026
Referring domains (Majestic)655

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