Rewrite or reply to your messages before you send them, choosing from safer, funnier, or custom tones
AI academic agent for thesis writing, plagiarism detection, AI detection, and translation
Stage
Startup
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Founded
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Based in
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FR
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.
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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
AI academic writing with structured outlines, chapters, and citations
Plagiarism detection against billions of web sources and academic database
AI content detection analyzing linguistic perplexity and statistical patterns
Text humanization to make AI content undetectable
Grammar checker supporting 50+ languages
Multilingual neural translation
Citation generator for APA, MLA, IEEE, Harvard, Chicago, Vancouver formats
AI image generation from text prompts
Scientific figure generation including diagrams, charts, and molecules
Chat with PDF for sourced answers
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
Data stored securely in Europe and never used for AI model training
Publication-ready scientific figures generated from a single sentence
Free trial with no registration required for grammar checking
Browser extension for accessing tools directly from any website
tono
Textiaa