Rewrite or reply to your messages before you send them, choosing from safer, funnier, or custom tones
AI writing and study partner for students that humanizes AI text and creates undetectable writing
Stage
Startup
Not given
Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free: $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 (500 words/week for humanizing, 3 flashcard sets, 3 mind maps, 2 podcasts, 1 study plan weekly); 7-Day Assignment Pass $7.99 one-time (unlimited 7-day access); Conch Plus $15/month (5,000 words/week, 5 flashcard sets, 5 mind maps, 4 podcasts, 3 study plans weekly); Conch Unlimited $25/month or
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
Humanize AI writing with natural tone and human score
AI content detection and checking
Essay and research paper writing with outlines and sources
Mind maps and visual concept mapping
Convert notes to audio podcasts
Document organization and note-taking
Automatic citation support in APA, MLA, Chicago, Harvard formats
Study planner with deadlines and sessions
Document chat to ask questions about uploaded PDFs and files
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
All-in-one platform combining AI writing, humanization, and comprehensive study tools in one subscription
Humanizes AI text to sound natural with detectable AI patterns removed and human score verification
Generates original content that passes plagiarism tests with 99.99% originality
Convert learning materials directly into multiple study formats automatically
Free plan with no credit card required and substantial weekly allowances
tono
Conch AI