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Best Post Writing Tool Apps

0+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated July 2026

The best post writing tool apps on iPhone average 4.6★ across 0+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Post Writing Tool Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Wordtune: AI Writing KeyboardWordtune: AI Writing KeyboardFree4.4★ (976)NoYesAug 2026
2Werdsmith: Writing AppWerdsmith: Writing AppFree4.7★ (8K)NoYesAug 2026
3ParagraphAI: Writer & KeyboardParagraphAI: Writer & KeyboardFree4.8★ (2.5K)NoYesAug 2026
4ScrivenerScrivener$23.994.2★ (2.6K)NoNoAug 2026
5AI Writer: Email Letter EssayAI Writer: Email Letter EssayFree4.8★ (6.6K)YesYesAug 2026
6Quillbot-AI Writing & KeyboardQuillbot-AI Writing & KeyboardFree4.7★ (2.9K)NoYesAug 2026
7Sudowrite - AI Novel WritingSudowrite - AI Novel WritingFree4.5★ (349)NoYesAug 2026
8Ginger WriterGinger WriterFree4.6★ (3.5K)NoYesAug 2026

Top Picks for Post Writing Tool

Wordtune: AI Writing Keyboard#1

Wordtune: AI Writing Keyboard by AI21 Labs, Inc.

AI Writing App & Paraphrasing
Editor's Choice
📊 Productivity
4.4😐(976 ratings)
FreeIn-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

This AI-powered writing assistant helps you express yourself more clearly and authentically. It offers suggestions to rephrase text, generate new content, and adjust the tone and length of your writing. It works across multiple platforms, making it a versatile tool for various communication needs.

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
Werdsmith: Writing App#2

Werdsmith: Writing App by Werdsmith Pty Ltd

Write stories, scripts, books
Strong Contender
📊 Productivity
4.7😊(8K ratings)
FreeIn-App Purchases
Werdsmith: Writing App screenshot 1
Werdsmith: Writing App screenshot 2
Werdsmith: Writing App screenshot 3
Werdsmith: Writing App screenshot 4
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Werdsmith: Writing App screenshot 6

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.

What We Love

  • 📝 Helpful for writing stories and ideas
  • 🔒 Secure with password protection
  • ⏱️ Tracks writing progress and goals
  • 🧠 Inspires creativity with writing prompts

Room to Improve

  • 🔒 Limited free features, need to pay for full access
  • 🐛 Occasional crashes and bugs
  • 💻 Syncing issues between devices
ParagraphAI: Writer & Keyboard#3

ParagraphAI: Writer & Keyboard by ParagraphAI

AI Writing: Email, Essay, Text
Worth Considering
📊 Productivity
4.8😐(2.5K ratings)
FreeIn-App Purchases
ParagraphAI: Writer & Keyboard screenshot 1
ParagraphAI: Writer & Keyboard screenshot 2
ParagraphAI: Writer & Keyboard screenshot 3
ParagraphAI: Writer & Keyboard screenshot 4
ParagraphAI: Writer & Keyboard screenshot 5
ParagraphAI: Writer & Keyboard screenshot 6

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.

What We Love

  • 🚀 Powerful writing assistant
  • 👍 Helpful for improving writing quality
  • 🚀 Saves time on writing tasks
  • 🚀 Generates professional-sounding content

Room to Improve

  • 🐛 Frequent crashes and glitches
  • 💰 Expensive subscription
  • 🔒 Data privacy concerns

More Post Writing Tool apps to explore

4
Scrivener
Scrivener
Scrivener
by Literature & Latte
$23.99

This app is a comprehensive writing tool designed for long-form manuscripts. It allows users to compose text in any order, manage research materials alongside their writing, and export to various formats. It supports flexible outlining and restructuring of content.

Manuscript composition in sectionsResearch material integrationFlexible outlining and reorganization
📊 Productivity
(2.6K)
paid
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
Quillbot-AI Writing & Keyboard
Quillbot-AI Writing & Keyboard
Quillbot-AI Writing & Keyboard
Paraphrase & Grammar Check App
Free

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.

AI ParaphraserGenerative AI writingGrammar Checker
📊 Productivity
(2.9K)
freemium
7
Sudowrite - AI Novel Writing
Sudowrite - AI Novel Writing
Sudowrite - AI Novel Writing
AI fiction writing & dictation
Free

This AI-powered writing assistant helps creative writers generate story ideas, write novels, and craft poetry. Improve your fiction writing anytime, anywhere with intelligent suggestions and content generation.

AI story idea generationNovel writing assistancePoetry crafting
🔧 Utilities
(349)
free with in-app purchases
8
Ginger Writer
Ginger Writer
Ginger Writer
Grammar Checker, Paraphraser
Free

This AI-powered writing assistant helps you write better and faster. It corrects grammar, spelling, punctuation, and syntax with high accuracy. Enhance your text with a sentence rephraser and vocabulary tools.

AI-powered grammar checkerSentence rephraserSynonym finder
📊 Productivity
(3.5K)
free with in-app purchases
9
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
10
Paraphrasing Tool: Rewriter
Paraphrasing Tool: Rewriter
Paraphrasing Tool: Rewriter
Paraphraser for Better Writing
Free

This AI-powered tool helps you rewrite sentences, paragraphs, and entire documents with various tones and styles. It offers unlimited paraphrasing, a grammar checker, and a plagiarism detector to ensure unique and error-free content.

Unlimited AI Paraphrasing ModesUnlimited Words LimitGrammar Checker Tool
📊 Productivity
(421)
free with in-app purchases
11
AI Email Writer: Lazy Mail
AI Email Writer: Lazy Mail
AI Email Writer: Lazy Mail
Type, Reply, Correct Any Text
Free

This AI-powered app enhances your writing with personalized suggestions, customizable tone, and text length. It helps you compose letters, improve messaging skills, and proofread text for error-free results. Ideal for professionals, students, and anyone looking to elevate their writing.

AI-powered writing suggestionsCustomizable tone and lengthPre-made prompt templates
📊 Productivity
(203)
free with in-app purchases
12
Friday AI Email Writer
Friday AI Email Writer
Friday AI Email Writer
PRO Letter, Mail & Text Writer
Free

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.

AI-powered writing suggestionsProofreading and grammar checkingLetter and email composition
📊 Productivity
(9.7K)
free with in-app purchases
13
AI Writer Assistant - Lek
AI Writer Assistant - Lek
AI Writer Assistant - Lek
Chatbot and Image Generator
Free

This AI-powered writing assistant helps users generate various types of content, from emails and ad copy to lyrics and SEO meta descriptions. It simplifies writing tasks with an easy-to-use interface and supports multiple languages.

AI content generationEmail writingAd copy creation
📊 Productivity
(83)
free with in-app purchases
14
Writify: AI Writing Assistant
Writify: AI Writing Assistant
Writify: AI Writing Assistant
Script Writing, Email Writer
Free

This AI-powered writing assistant helps users create various content, from essays and emails to poems and song lyrics. It leverages advanced AI models to answer questions, generate art, and overcome writer's block. The app supports over 30 languages and offers tools for grammar correction and text summarization.

AI content generationEssay and paper writingEmail composition
🔍 Reference
(140)
subscription
15
Word Keeper - Writing tracker
Word Keeper - Writing tracker
Word Keeper - Writing tracker
Word count stats, goal planner
Free

This app helps authors stay motivated and consistent with their writing goals. It tracks word count, time, and pace, offering detailed statistics and challenges to build writing habits. Connect with a community of writers for encouragement and inspiration.

Track word count, time, and pace per sessionJoin and create writing challengesExplore 70+ detailed writing statistics
📊 Productivity
(501)
freemium
16
Paraphrase: AI Humanizer
Paraphrase: AI Humanizer
Paraphrase: AI Humanizer
Bypass, Rewrite & Grammar Tool
Free

This AI-powered writing assistant helps you instantly rewrite, paraphrase, and summarize any text. Transform your essays, emails, and reports into clearer, more natural-sounding content in seconds, adapting to various tones and styles.

Rewrite and paraphrase textHumanize AI-generated contentVoice-to-text writing assistant
📊 Productivity
(157)
free with in-app purchases
17
Ulysses: Writing App
Ulysses: Writing App
Ulysses: Writing App
Write a novel, story, book
Free

A distraction-free writing environment for Mac, iPhone, and iPad. It offers robust document management, seamless syncing, and flexible export options for writers of all kinds. Includes a proofreader and editing assistant.

Distraction-free editorUnified document libraryCross-device sync
📊 Productivity
(2.1K)
subscription
18
Daily Prompt: Writing Prompts
Daily Prompt: Writing Prompts
Daily Prompt: Writing Prompts
Creative story & poetry ideas
Free

This app helps you build a consistent writing habit with daily prompts and a supportive community. It offers tools to overcome writer's block, explore different genres, and track your progress. Premium features include guided project planning and access to exclusive prompt packs.

Daily writing promptsCreative writing communityProgress tracking
📚 Education
(2.3K)
freemium
19
Book Writer - Novel Writing
Book Writer - Novel Writing
Book Writer - Novel Writing
Book creator story writing app
Free

This app helps aspiring authors and writers organize their ideas, characters, and drafts into a complete book. It offers tools for efficient writing, editing, and managing story elements to bring creative projects to life.

Book creation and organizationCharacter creation and notesDraft management
📊 Productivity
(78)
subscription
20
Rewrite: Sentence Corrector
Rewrite: Sentence Corrector
Rewrite: Sentence Corrector
Supercharge Your Writing
Free

Improve your writing with this AI-powered tool that corrects grammar, spelling, and suggests synonyms. It offers contextual checks and explanations to help you write like a native speaker and enhance your English skills.

Contextual grammar checkSpell checkSmart recommendations
📊 Productivity
(371)
free with in-app purchases

FAQ about Post Writing Tool

What are the best post writing tool apps for iPhone?
Wordtune: AI Writing Keyboard tops our post writing tool apps ranking as of July 2026, with a 4.4-star average from 976 App Store ratings, and it's free to download.
Yes — 19 of the top post writing tool apps we rank are free to download, including Wordtune: AI Writing Keyboard and Werdsmith: Writing App.
Wordtune: AI Writing Keyboard has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
Wordtune is an AI-powered writing companion that helps you make your writing clearer, more compelling, and authentic. It suggests alternative ways to phrase your text, generates new sentences or paragraphs, and can help you adjust the tone and length of your writing.
Key features include AI-powered text rewriting, the ability to generate new content with prompts, options to adjust tone and length, simultaneous translation and rewriting, and multi-platform compatibility. It also offers proofreading assistance.