Undetectable Stealth Writer

Write like you—
but better. And undetectable.

A native iOS app that bypasses AI detectors by learning your unique voice.

Original Draft
Persona: Casual

rwrt vs. Grammarly

The new standard

Grammarly polishes mistakes. rwrt polishes your Identity.

FeatureGrammarlyrwrt Persona
Primary FocusGrammar & SyntaxIdentity & Tone
AI DetectionOften Flags as AIUndetectable by Design
Learning EngineRules-Based EditsEvolving Persona
User InputTedious Manual EditsSingle tap
Emotional IntelligenceRobotic & NeutralHigh-EQ Resonance

How It Works

Transform your rough drafts into polished, undetectable content in three simple steps.

1

Paste Your Text

Drop in your rough notes, email draft, or bullet points directly on your phone.

2

Choose Persona

Select the right tone for your audience. CEO, Native Speaker, Academic, or Casual.

3

Get Human Output

Instantly receive a perfectly rewritten, undetectable paragraph ready to send.

Humanize AI Text with Custom Personas.

Write for the reader, not for the machine. rwrt bridges the gap between your intent and the recipient's personality. It's not about being “perfect”; it's about being heard correctly.

💼

High-Stakes CEO

Confident, authoritative, and direct communication for leadership. The perfect AI writing app persona for executives.

🎨

Casual Creative

Vibrant, friendly, and engaging tone for social connections. Rewrite AI drafts into relatable, natural conversations.

🇬🇧

Native Speaker

Perfectly idiomatic English for non-native professionals. Humanize AI text to sound exactly like a fluent speaker.

🎓

Academic

Formal, precise, and rigorous language for research and scholarly communication.

📖

Storyteller

Captivating, descriptive, and emotionally resonant prose. Elevate your narrative with this AI writer.

😏

Sarcastic

Witty, dry, and sharp-tongued for when you need a bit of edge in your undetectable AI writing.

Intent Calibration
Undetectable Mastery: 98%
Solving Entropy Gap...1.4M intent-driven metadata points

Undetectable AI Writer.

Our engine focuses on high-EQ humanization powered by Undetectable AI. We don't just swap words; we re-inject the personality and intent that typical AI models strip away, allowing you to organically bypass AI Detectors.

  • Undetectable by AI detectors
  • Elite Style Transfer & emotional resonance
  • Solves statistical entropy & human perplexity
  • Live since 2023. Refined for April 2026.

Capabilities.

Designed for those who refuse to be misunderstood.

The Identity Moat - rwrt AI Writing App iOS
Adaptive Learning

The Identity Moat

Build a library of digital identities that learn your specific vocabulary and rhythm. From a High-Stakes CEO to a Casual Creative, rwrt captures the unique cadence of your voice.

Experience the difference
Undetectable EQ - rwrt AI Writing App iOS
High-EQ Humanizer

Undetectable EQ

Move beyond robotic AI. Our stealth writing algorithms solve for human perplexity, re-injecting human intent to ensure your writing bypasses detectors.

Experience the difference
Real-time Streaming - rwrt AI Writing App iOS
Instant Feedback

Real-time Streaming

Experience the transformation as it happens. Watch your messy drafts turn into polished masterpieces in real-time.

Experience the difference
Massive Document Support - rwrt AI Writing App iOS
Pro Feature

Massive Document Support

Go beyond single paragraphs. Pro users can humanize long-form documents up to 10,000 characters with zero loss in consistency.

Experience the difference

In a remote world,
your writing is your presence.

Most people write the way they think—unfiltered and messy. If you sound disorganized, you are perceived as disorganized.

rwrt ensures that your brilliance isn't lost in translation. Every message you send becomes a professional asset.

Go Pro. Unlock Mastery.

Join modern writers who never settle for second-best.

Basic

$0 /mo
  • 5 rewrites per day
  • 5 personas
  • 2 flavors per persona
  • Standard AI model
Download on the App Store

Pro Monthly

$9.99 /mo
Anchor Price
  • Infinite transformations
  • 20+ custom personas
  • Elite high-reasoning models
  • 10,000 characters per rewrite
Download on the App Store
Limited Time: 50% Off

Pro Yearly

$59.99 /yr
Just $4.99 /mo
  • Infinite transformations
  • 20+ custom personas
  • Elite high-reasoning models
  • 10,000 characters per rewrite
  • Advanced writing metrics
  • Priority WebSocket streaming
Download on the App Store

Trusted by writers at:

StanfordMITOxfordSubstackMediumThe New Yorker

Trusted by 1500+ Professionals

Join the founders, remote workers, and non-native speakers who write with confidence.

"rwrt changed how I communicate with my board. It's not just a tool; it's my Digital Identity. My updates are sharper and perfectly toned."

Elara Vance, CEO using rwrt AI writing app
Elara Vance
CEO @ Sonder

"As a non-native English speaker, I used to spend hours second-guessing my emails. Now, I paste my thoughts, select the 'Native Speaker' persona, and hit send in seconds."

Mateo R., Senior Engineer using rwrt to humanize AI text
Mateo R.
Senior Engineer

"The fact that it actually passes AI detectors is a game changer. I write my initial drafts quickly and rwrt makes them sound polished but still completely human."

Sarah J., Freelance Writer using undetectable AI writer
Sarah J.
Freelance Writer

Common Questions.

Everything you need to know about your persona.

rwrt is an AI writing app for iOS that humanizes AI text. You paste your draft, choose a persona, and it rewrites the text to match that specific tone while ensuring it remains completely undetectable.