Best Outlining Writing Apps in 2026

Mellel is a word processor designed from the ground up to be the ultimate writing tool for academics, technical writers, scholars and students. Mellel is strong, stable and reliable, and is the ideal companion for working on documents that are long and complex, short and simple, or anything in between.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Drafting, and Essay

Website: https://mellel.com/

Also rated 3.2 ★ on the App Store

Get organized. Stay creative. Milanote is an easy-to-use tool to organize your ideas and projects into visual boards.

Platforms: iPhone, iPad, PC, Windows, Mac, Android, Chrome, Online

Best for: Note-taking, Outlining, Book, Story, Journal, and Free

Website: https://milanote.com/

Also rated 3.0 ★ on PC Magazine

Manuskript is a perfect tool for those writer who like to organize and plan everything before writing. The snowflake method can help you grow your idea into a book, by leading you step by step and asking you questions to go deeper.

Platforms: Mac, Windows, PC

Best for: Outlining, Story, Book, and Free

Website: https://www.theologeek.ch/manuskript/

The only online writing and editing platform that guides your hand based on data from real, bestselling books, AutoCrit is built to match the genuine demands of publishing professionals and discerning readers.

Platforms: Online

Best for: Outlining, Drafting, Proofreading, Book, Story, and Free

Website: https://www.autocrit.com/

Also rated 4.0 ★ on TechRadar

The human brain is non-linear: we jump from idea to idea, all the time. Your second brain should work the same. In Obsidian, making and following connections is frictionless. Tend to your notes like a gardener; at the end of the day, sit back and marvel at your own knowledge graph.

Platforms: Windows, Mac, iPhone, iPad, Android, PC

Best for: Note-taking, Outlining, Journal, Book, Story, Essay, Poetry, Blog, and Free

Website: https://obsidian.md/

Also rated 4.0 ★ on TechRadar

Story Planner is an easy-to-use and yet powerful tool for plotting novels, screenplays, and any fiction story. It works great for writers, screenwriters, producers, directors, RPG masters … All kinds of storytellers!

Platforms: iPhone, iPad

Best for: Outlining, Drafting, Story, and Book

Website: https://apps.apple.com/us/app/story-planner-outline-your-...

Also rated 4.7 ★ on the App Store

Still looking for the perfect app to write your novel? Novelist might just be the perfect tool for the job!

Platforms: Android, iPhone, iPad, Online

Best for: Outlining, Worldbuilding, Drafting, Story, Book, and Free

Website: https://www.novelist.app/

Do you have a story to tell? Unlike conventional word processors, Storyist helps you track your plot, characters, and settings, and keeps all of your writing organized and accessible—so you can focus on telling your story.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Drafting, Book, and Story

Website: https://storyist.com/

Also rated 4.0 ★ on PC Magazine

A powerful writing tool from Reedsy. Write and export a beautifully typeset book. This is the beloved app made for authors, by authors.

Platforms: Online, Chrome

Best for: Outlining, Drafting, Editing, Proofreading, Publishing, Book, Poetry, Story, Free, and Worldbuilding

Website: https://reedsy.com/write-a-book

So, You’re looking to write a book. Well, wavemaker is here to help. It’s much much more than a text editor.

Platforms: Mac, Windows, Chrome, Android, Online, PC

Best for: Outlining, Drafting, Book, Story, and Free

Website: https://wavemaker.cards/

Also rated 3.7 ★ on Google Play

Lists for Writers is a great addition to any writer’s toolbox. Helpful to both novice and expert writers alike, this app delivers list after list of prompts and ideas for your brainstorming sessions: names, character traits, plot lines, occupations, obsessions, action verbs, and much more!

Platforms: iPhone, iPad, Android

Best for: Note-taking, Outlining, Drafting, Book, Story, and Essay

Website: https://thinkamingo.com/lists-for-writers/

Also rated 4.7 ★ on the App Store

Note down, shape, & share your ideas with the world's best loved digital paper. Fall in love with handwriting all over again with Goodnotes’ digital ink.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Drafting, Book, Story, Journal, and Poetry

Website: https://www.goodnotes.com/

Also rated 4.8 ★ on the App Store