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Best AI Email Writer App

245+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

The best ai email writer app on iPhone average 4.6★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Compare top AI Email Writer App (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Friday AI Email WriterFriday AI Email WriterFree4.8★ (9.7K)NoYesAug 2026
2Quillbot-AI Writing & KeyboardQuillbot-AI Writing & KeyboardFree4.7★ (2.9K)NoYesAug 2026
3AI Email Writer: Reply & EditAI Email Writer: Reply & EditFree—NoYesJun 2026
4Werdsmith: Writing AppWerdsmith: Writing AppFree4.7★ (7.9K)NoYesAug 2026
5AI Writer: Email Letter EssayAI Writer: Email Letter EssayFree4.8★ (6.6K)YesYesAug 2026
6Shadowsearch: AI AssistantShadowsearch: AI AssistantFree4.4★ (3.8K)YesYesAug 2026
7Writely - AI Keyboard & WriterWritely - AI Keyboard & WriterFree4.6★ (1.6K)NoYesAug 2026
8AI Email Writer App: TextXAI Email Writer App: TextXFree—NoYesMay 2026

Top Picks for AI Email Writer App

Friday AI Email Writer#1

Friday AI Email Writer by Sekterra GmbH

PRO Letter, Mail & Text Writer
Editor's Choice
📊 Productivity
4.8😐(9.7K ratings)
FreeIn-App Purchases
#95in Productivity
Friday AI Email Writer screenshot 1
Friday AI Email Writer screenshot 2
Friday AI Email Writer screenshot 3
Friday AI Email Writer screenshot 4
Friday AI Email Writer screenshot 5
Friday AI Email Writer screenshot 6

This AI-powered writing assistant helps you craft better emails, letters, and messages. It offers personalized suggestions, proofreading, and grammar checking to enhance your writing speed and efficiency. Ideal for students, professionals, and anyone seeking to improve their communication.

What We Love

  • 👍 Professional writing assistance
  • 🚀 Time-saving
  • 💡 Helpful for non-native English speakers
  • 👍 Improves writing quality and confidence

Room to Improve

  • 💰 Expensive subscription
  • 🐛 Frequent crashes and freezes
  • 🔒 Privacy and security concerns
Quillbot-AI Writing & Keyboard#2

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

Paraphrase & Grammar Check App
Strong Contender
📊 Productivity
4.7😐(2.9K ratings)
FreeIn-App Purchases
Quillbot-AI Writing & Keyboard screenshot 1
Quillbot-AI Writing & Keyboard screenshot 2
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-powered assistant that offers paraphrasing, grammar correction, and translation. Generate ideas, detect AI-written content, and create images directly from your device. Improve communication and overcome writer's block with this versatile tool.

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

More AI Email Writer App apps to explore

4
Werdsmith: Writing App
Werdsmith: Writing App
Werdsmith: Writing App
Write poetry, scripts, books
Free

This app transforms your devices into a writing studio, helping you overcome writer's block with AI-powered suggestions and build a consistent writing practice. It automatically handles formatting, allowing you to focus on your creative process.

AI-powered writing suggestionsDaily writing practice builderAutomatic formatting
📊 Productivity
(7.9K)
freemium
5
AI Writer: Email Letter Essay
AI Writer: Email Letter Essay
AI Writer: Email Letter Essay
AI Keyboard, Writing Assistant
Free

This app assists with all your writing needs, from emails and essays to creative content. It offers AI-powered dictation, instant content generation, and a variety of templates to overcome writer's block and enhance your writing.

AI Voice DictationInstant Content GenerationReady-to-Use Templates
🔍 Reference
(6.6K)
free with in-app purchases
6
Shadowsearch: AI Assistant
Shadowsearch: AI Assistant
Shadowsearch: AI Assistant
Chatbot, Writer & Assistant
Free

This AI-powered assistant simplifies online people searches by scanning multiple platforms simultaneously. Discover social media profiles, publicly available records, and other relevant online information quickly and efficiently from a single interface.

AI-powered people searchSocial media profile lookupCross-platform discovery
🌟 Lifestyle
(3.8K)
freemium
7
Writely - AI Keyboard & Writer
Writely - AI Keyboard & Writer
Writely - AI Keyboard & Writer
Grammar Check & Paraphrase App
Free

Enhance your writing with an AI-powered keyboard that offers grammar checking, paraphrasing, and sentence completion. It can also transform text into poems and suggest emojis, making communication smoother and more creative.

AI writing assistantGrammar and spelling checkMessage paraphrasing
📊 Productivity
(1.6K)
free with in-app purchases
8
AI Email Writer App: TextX
AI Email Writer App: TextX
AI Email Writer App: TextX
Message & Reply Ai Assistant
Free
📊 Productivity
(0)
9
Spark Mail: AI Email Assistant
Spark Mail: AI Email Assistant
Spark Mail: AI Email Assistant
Streamline your email inbox
Free

Streamline your email and calendar management with an AI-powered assistant. Organize multiple accounts, declutter your inbox with smart sorting, and use AI to draft replies, summarize threads, and manage your schedule efficiently.

Unified inbox for multiple email accountsAI-powered email summarization and draftingSmart Inbox for prioritizing emails
📊 Productivity
(82K)
free with in-app purchases
10
Chatbot App: AI Assistant
Chatbot App: AI Assistant
Chatbot App: AI Assistant
AI Agent, Chat & Image Maker
Free

Access multiple advanced AI models like ChatGPT, Gemini, and Claude in a single, user-friendly application. Engage in real-time voice chats, generate images, get expert insights, and receive personalized coaching for various aspects of your life.

Real-time voice chatInteractive explanations and visualized answersAI-powered travel planning
📊 Productivity
(3.8K)
freemium
11
Chatbot AI - Ask AI Chatbot
Chatbot AI - Ask AI Chatbot
Chatbot AI - Ask AI Chatbot
Top Al models・AI Assistant
Free

This AI-powered chatbot acts as a personal assistant to enhance communication. It helps users write faster, translate, paraphrase, and summarize content, and can generate various forms of creative text and code.

AI Chatbot AssistantContent Generation (essays, songs, stories)Translation and Summarization
🔧 Utilities
(4K)
free with in-app purchases
12
ParagraphAI: Writer & Keyboard
ParagraphAI: Writer & Keyboard
ParagraphAI: Writer & Keyboard
AI Writing: Email, Essay, Text
Free

This AI-powered writing tool helps you generate original content, draft emails, and summarize text in over 40 languages. It functions as a keyboard, allowing you to write and edit seamlessly within any app, ensuring clear and confident communication.

AI Text GeneratorAI Email WriterAI Writing Assistant
📊 Productivity
(2.5K)
free with in-app purchases
13
Chat AI - Ask Anything
Chat AI - Ask Anything
Chat AI - Ask Anything
AI Chatbot & Essay Writer Bot
Free

Engage in intelligent conversations with an advanced AI chatbot. This app offers personalized responses on a wide range of topics and can assist with writing tasks like essays and emails. Its AI continuously learns for more natural interactions.

Intelligent conversationsPersonalized responsesEssay and content writing
📊 Productivity
(130K)
free with in-app purchases
14
Shortwave - AI Email
Shortwave - AI Email
Shortwave - AI Email
AI-native email for business
Free

This AI-powered email client streamlines your inbox with intelligent organization, writing assistance, and team collaboration tools. It helps you manage emails, schedule meetings, and turn messages into actionable tasks, all while learning your unique style.

AI-powered email writing and draftingIntelligent inbox organization and clutter removalReal-time team collaboration and email assignment
📊 Productivity
(710)
free
15
TypeAI: AI Keyboard & Writer
TypeAI: AI Keyboard & Writer
TypeAI: AI Keyboard & Writer
Translate, Grammar Spell Check
Free

Enhance your mobile writing with an AI-powered keyboard. Get real-time grammar checks, word suggestions, translations, and AI chatbot assistance for any app. Improve your communication and express yourself clearly and effectively.

AI ChatbotEmail Writing AssistanceGrammar & Spelling Check (7 languages)
📊 Productivity
(19K)
free with in-app purchases
16
Typely: Ai Email Writer
Typely: Ai Email Writer
Typely: Ai Email Writer
Email Ai Message Generator
Free

Enhance your written communication with an AI-powered assistant that offers personalized guidance, proofreading, and creative writing suggestions. Transform emails and messages into masterpieces with advanced AI technology for effortless and flair-filled writing.

AI-powered email and message generationPersonalized writing guidanceProofreading and grammar checks
📊 Productivity
(12)
free with in-app purchases
17
AI Email Writer - QuickMail
AI Email Writer - QuickMail
AI Email Writer - QuickMail
#1 Email Generator & Composer
Free

Effortlessly craft professional or personal emails with an AI assistant. Generate drafts in seconds, customize tone, and utilize smart templates. Includes grammar checks and reply suggestions for faster, polished communication.

AI-powered email generationTone customizationSmart email templates
📊 Productivity
(42)
free with in-app purchases
18
Email Writer : AI Email Writer
Email Writer : AI Email Writer
Email Writer : AI Email Writer
AI email writer and assistant
Free

This app uses advanced AI to generate personalized emails based on your prompts. It helps busy professionals and students craft professional and efficient emails quickly, offering a user-friendly interface for effortless communication.

AI-powered email generationPersonalized email draftsEdit and send emails from app
📊 Productivity
(261)
subscription
19
AI Chatbot
AI Chatbot
AI Chatbot
AI Chat, open, assistant, pro
Free

This app offers an advanced AI-powered chat and writing assistant. It understands natural language for real-time conversations and helps craft professional emails, messages, and other written content with ease and precision.

AI chat bot for natural language conversationsReal-time responsesWriting assistant for emails and messages
📊 Productivity
(2.8K)
free with in-app purchases
20
Author AI: Book Creator
Author AI: Book Creator
Author AI: Book Creator
Novel Writing & Story Writer
Free

This app uses advanced AI to generate personalized stories, poems, and novels based on your input. Explore a vast library of themes and genres, or create your own prompts for unique narrative experiences.

AI-generated storiesPersonalized narrativesNovel and poetry writing
🔧 Utilities
(3.6K)
free with in-app purchases

FAQ about AI Email Writer App

What is the best ai email writer app for iPhone?
Friday AI Email Writer tops our ai email writer app ranking as of May 2026, with a 4.8-star average from 9.7K App Store ratings, and it's free to download.
Yes — 20 of the top ai email writer app we rank are free to download, including Friday AI Email Writer and Quillbot-AI Writing & Keyboard.
Friday AI Email Writer has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 245+ ai email writer app on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Friday AI Email Writer is an AI-powered application designed to enhance your writing. It assists with composing emails, letters, and messages, offering personalized suggestions, proofreading, and grammar checking to help you write more efficiently and effectively.
Key features include AI-powered writing suggestions, comprehensive proofreading and grammar checking, assistance with composing letters and emails, voice-to-text input for requests, and the ability to personalize emails with social profile information.