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WriteNative vs Sealis

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

WriteNative compared with Sealis
DetailWriteNative logo WriteNativeSealis logo Sealis
What it doesCorrect, natural English in every Mac app you write in Your voice, kept yours, wherever AI writes or speaks for you
StageNot given Not given
FoundedNot given Not given
Based inNot given AU
Pricing modelFreemium Freemium
PricingFree: unlimited spelling, 30 grammar checks, 10 AI actions and 20 predictions per day. Pro: $144/year or $20/month, everything unlimited. Team: $15/seat/month or $180/year per seat. Free: 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.
Key features
  • Real-time spelling and grammar correction in any macOS app
  • Fixes explained in your language (11 languages supported)
  • Tone checking and adjustment for different contexts
  • Rewrite and rephrase suggestions
  • Explain incoming messages and generate replies
  • Write in your language and get English translations
  • Word predictions and auto-complete
  • Personal dictionary and learning words
  • Works in Mail, Slack, Teams, GitHub, Notion and 10+ other apps
  • Team plan with shared brand rules and dictionaries
  • 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
What makes it different
  • Designed specifically for non-native English speakers with fixes explained in 11 languages
  • Works in-app without switching windows or copying and pasting
  • Cloud checks discarded immediately, never stored or used for training
  • Unlimited spelling fixes even on free plan with no account required
  • 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
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet −1 (down) since last check1 no change since last check
Trust Flow (Majestic)23
Citation Flow (Majestic)2320
Referring domains (Majestic)136

5 details filled in for both companies.

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