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Best Undetectable AI Writing Tool Apps

243+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our undetectable ai writing tool list covers 243+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Undetectable AI Writing Tool

Humanize AI: Paraphrase Tools#1

Humanize AI: Paraphrase Tools by ByteBlast Digital LTD

AI Detector, Reword & Rewrite
Editor's Choice
📊 Productivity
4.8😞(3.1K ratings)
FreeIn-App Purchases
Humanize AI: Paraphrase Tools screenshot 1
Humanize AI: Paraphrase Tools screenshot 2
Humanize AI: Paraphrase Tools screenshot 3
Humanize AI: Paraphrase Tools screenshot 4
Humanize AI: Paraphrase Tools screenshot 5
Humanize AI: Paraphrase Tools screenshot 6

Transform your writing with Humanize AI - an all-in-one text enhancement suite offering features like humanizing AI-generated content, smart paraphrasing, and an AI detector to check text authenticity with various tones available. Perfect for enhancing professional communications, content creation, and staying ahead with superior results. Try it now!

What We Love

  • 👍 Intuitive interface
  • 🚀 Transforms AI-generated content into natural, human-like writing
  • 💡 Useful AI detection feature
  • 👍 Convenient voice input support

Room to Improve

  • 🐛 No option to cancel subscription
  • 💸 Expensive at $70
  • 🚫 Questionable authenticity, detected as 94% AI-written
Quillbot-AI Writing & Keyboard#2

Quillbot-AI Writing & Keyboard by QuillBot, a Learneo Inc. business

Paraphrase & Grammar Check App
Strong Contender
📊 Productivity
4.7😐(2.7K ratings)
FreeAdsIn-App Purchases
Quillbot-AI Writing & Keyboard screenshot 1
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Quillbot-AI Writing & Keyboard screenshot 3
Quillbot-AI Writing & Keyboard screenshot 4
Quillbot-AI Writing & Keyboard screenshot 5
Quillbot-AI Writing & Keyboard screenshot 6

Enhance your writing with an AI Writing Keyboard offering 7 paraphrasing modes tailored for different writing styles and projects. Perfect for all writers, it provides real-time suggestions, AI assistance, and customization options to create polished content effortlessly.

What We Love

  • 🚀 Helpful paraphrasing tool
  • 👍 Convenient keyboard integration
  • 💡 Useful for writing and editing
  • 👍 Improves writing quality

Room to Improve

  • 🐛 Buggy keyboard and app performance
  • 🔒 Difficult to cancel subscription
  • 👎 Limited features compared to website
Wordtune: AI Writing Keyboard#3

Wordtune: AI Writing Keyboard by AI21 Labs, Inc.

AI Writing App & Paraphrasing
Worth Considering
📊 Productivity
4.4😐(960 ratings)
FreeAdsIn-App Purchases
Wordtune: AI Writing Keyboard screenshot 1
Wordtune: AI Writing Keyboard screenshot 2
Wordtune: AI Writing Keyboard screenshot 3
Wordtune: AI Writing Keyboard screenshot 4
Wordtune: AI Writing Keyboard screenshot 5
Wordtune: AI Writing Keyboard screenshot 6

Revolutionize your writing with an innovative AI-powered keyboard app that helps enhance your text for clarity and impact. Try it now for faster, better writing!

What We Love

  • 💡 Helpful for improving writing
  • 👍 User-friendly interface
  • 🚀 Efficient at rephrasing and suggesting edits
  • 💡 Variety of features (e.g., tone adjustments, word suggestions)

Room to Improve

  • 🔒 Requires full keyboard access
  • 💰 Expensive subscription
  • 🐛 Glitchy, unreliable, or inconsistent performance

More Undetectable AI Writing Tool apps to explore

4
Grammarly: AI Keyboard & Notes
Grammarly: AI Keyboard & Notes
Grammarly: AI Keyboard & Notes
Chats, emails, work and study
Free

An AI writing keyboard that provides instant feedback and assistance for improved writing on iPhone and iPad. Features include spelling, grammar suggestions, tone detection, generative AI rewrites, and a document editor. Upgrade to Premium for advanced writing suggestions. Improve your writing with Grammarly!

📊 Productivity
(216K)
5
BypassGPT - AI Detector Check
BypassGPT - AI Detector Check
BypassGPT - AI Detector Check
undetectable ai checker tool
Free

Detect if your text is AI-generated with our AI detector tool. Click 'Humanize Now' to level up your content to bypass AI detection and enhance its quality to match human writing standards.

📊 Productivity
(1.4K)
6
ParagraphAI: Writer & Keyboard
ParagraphAI: Writer & Keyboard
ParagraphAI: Writer & Keyboard
AI Writing: Email, Essay, Text
Free

Harness the power of AI with a cutting-edge writing assistant application that offers advanced text prediction and editing capabilities. Elevate your writing experience and efficiency with ParagraphAI – your ultimate tool for seamless content creation.

📊 Productivity
(2.5K)
7
AI Writer: Email Letter Essay
AI Writer: Email Letter Essay
AI Writer: Email Letter Essay
AI Keyboard, Writing Assistant
Free

AI Writer is a cutting-edge writing assistant that helps you effortlessly generate high-quality content for any scenario. With instant content generation, ready-to-use templates, and multilingual support, AI Writer is your go-to tool for overcoming writer's block and creating professional writing pieces in seconds. Start writing effortlessly today!

🔍 Reference
(6.5K)
8
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Study, Writing, Research Agent
Free

AI Chat Smith 4 is an AI-powered chatbot that uses OpenAI technology to provide personalized assistance and engage in conversations with users. Experience intuitive interactions and get instant responses to queries.

📊 Productivity
(165K)
9
AI Detector :Humanizer AI Tool
AI Detector :Humanizer AI Tool
AI Detector :Humanizer AI Tool
ByPassGPT,Undetectable,ReWrite
Free
💼 Business
(0)
10
AI Chatbot
AI Chatbot
AI Chatbot
AI Chat, open, assistant, pro
Free

Experience the revolutionary AI Chatbot – your advanced AI companion for seamless communication and writing assistance. Enhance your chat and writing experience with real-time natural language interaction and expert writing suggestions. Give AI Chatbot a try to elevate your learning and creativity! For more information, read our Privacy Policy and Terms of Use at [https://www.appipapi.com](https://www.appipapi.com).

📊 Productivity
(2.8K)
11
Natural Write - Humanize AI
Natural Write - Humanize AI
Natural Write - Humanize AI
Humanizer ai - bypass detector
Free

This application helps users rephrase sentences, rewrite paragraphs, and bypass AI detectors while maintaining a natural tone, offering features such as intelligent paraphrasing, built-in AI detector checks, and tone control. With this tool, you can rewrite text in a human-like style, pass AI detectors, and export your work in various formats, all in a secure and ad-free environment.

📊 Productivity
(110)
12
Writely - AI Keyboard & Writer
Writely - AI Keyboard & Writer
Writely - AI Keyboard & Writer
Grammar Check & Paraphrase App
Free

Get your thoughts down faster with an intelligent keyboard that predicts and suggests words as you type. Experience seamless auto-correction and text prediction to enhance your typing speed and accuracy. Try it now to revolutionize your typing experience!

📊 Productivity
(1.6K)
13
AI Detector & Undetectable AI
AI Detector & Undetectable AI
AI Detector & Undetectable AI
BypassGPT,AI Humanizer,GPTzero
Free
📊 Productivity
(213)
14
Fortelling - Story Writing App
Fortelling - Story Writing App
Fortelling - Story Writing App
Book & novel: world plotting
Free

Organize your novel plots effectively with Fortelling - Writer Tools. Start writing your next novel with the tools and resources provided.

📊 Productivity
(859)
15
Monica AI: Ultimate AI Assist
Monica AI: Ultimate AI Assist
Monica AI: Ultimate AI Assist
Chat, Search, Write, Translate
Free

Meet Monica, your all-in-one AI pal powered by cutting-edge AI models like GPT-4. From AI search to voice translation, web summaries, and AI chat, Monica is your creative sidekick for various tasks. Experience AI magic with Monica at https://monica.im – Let Monica redefine your digital world!

📊 Productivity
(6.4K)
16
AI Detector : AI Humanizer
AI Detector : AI Humanizer
AI Detector : AI Humanizer
Humanize GPT- BypassGPT Check
Free

Bypass all AI detections with a cutting-edge AI humanization and plagiarism checker tool. Try it now for easy and natural writing edits!

📊 Productivity
(377)
17
Coursiv - AI Certificates
Coursiv - AI Certificates
Coursiv - AI Certificates
Earn AI Certificates
Free
📚 Education
(2.5K)
18
AI Chatbot: Pixi
AI Chatbot: Pixi
AI Chatbot: Pixi
Chat built on top Al models
Free

Experience the pinnacle of AI-driven chat with Pixi. Engage in dynamic conversations, receive personalized recommendations, and explore a world of possibilities. Start chatting today and discover a new way to connect!

📊 Productivity
(12K)
19
Paraphrasing Tool: Rewriter
Paraphrasing Tool: Rewriter
Paraphrasing Tool: Rewriter
Paraphraser for Better Writing
Free

An advanced AI rewriter tool that utilizes artificial intelligence to effectively paraphrase text, offering features like adjustable parameters, various writing styles, and a built-in plagiarism checker. Simply paste your text, set preferences, click "Paraphrase," and refine the result before exporting or sharing. Ideal for students, writers, marketers, researchers, and all looking to improve their content effortlessly. Try now for enhanced writing and communication!

📊 Productivity
(409)
20
AI Email Writer: Lazy Mail
AI Email Writer: Lazy Mail
AI Email Writer: Lazy Mail
Type, Reply, Correct Any Text
Free

Unlock your writing potential and boost productivity with our AI-powered app. Enhance your emails with personalized suggestions, customizable tone, and desired text length. From composing letters in one sentence to engaging in conversations on any topic, improve your writing skills effortlessly. Download now and unleash your full potential!

📊 Productivity
(195)

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