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tono vs Sealis

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

tono compared with Sealis
Detailtono logo tonoSealis logo Sealis
What it doesRewrite or reply to your messages before you send them, choosing from safer, funnier, or custom tones Your voice, kept yours, wherever AI writes or speaks for you
StageStartup Not given
FoundedNot given Not given
Based inNot given AU
Pricing modelFreemium Freemium
PricingFree: $0 forever for on-device rewrites with unlimited rewrites, no account required. Pro: $3.99/month or $39.99/year; new subscribers get a 14-day free trial and can cancel anytime. 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
  • Safer tone that clarifies and reduces hostility
  • Funnier tone that changes register
  • Custom tone by typing your own instructions
  • Cloud rewrites for Pro subscribers
  • How I Sound feature to apply your voice to rewrites
  • Support for longer drafts on Pro
  • Works in iPhone keyboard and as an app
  • 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
  • Never sends messages automatically—you always copy and send manually
  • Drafts never used to train models; privacy-first design
  • Free on-device rewrites with no daily limits or quotas
  • Works directly in iPhone keyboard for seamless workflow
  • 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)23 −4 (down) since last check1 no change since last check
Trust Flow (Majestic)33
Citation Flow (Majestic)2220
Referring domains (Majestic)116

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