Best Outlining Writing Apps in 2025

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

Writer Assistant (Wassi) is an application created specifically for inventors! We all constantly invent new characters for our stories, be it a comic, a novel, a script, a play, or a game. And so that our characters are alive and riveted the attention, they need to be developed a lot! That is what the Writer Assistant was created for! Plus, with Wassi you can easily outline your stories on the go.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Book, Story, and Free

Website: https://apps.apple.com/app/writer-assistant-wassi/id14686...

Also rated 3.9 ★ on the App Store

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

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

We’re more than a doc. Or a table. Customize Notion to work the way you do.

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

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

Website: https://www.notion.so/product

Also rated 4.0 ★ on TechRadar

You have a story to tell, article to publish, or class notes to take. Scrivo Pro can help you organize your writing, research, generate ideas, and remove distractions so you can focus on the most important thing: writing.

Platforms: Mac, iPhone, iPad

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

Website: https://apps.apple.com/us/app/scrivo-pro-for-scriveners-a...

Also rated 4.4 ★ on the App Store

With our writing tools you can track your progress thus far, plan your novel, write your novel and be able to focus on what matters for you the most: FINISHING THE DAMN BOOK!

Platforms: Android

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

Website: https://play.google.com/store/apps/details?id=net.ajp_gam...

Also rated 4.0 ★ on Google Play

OmniOutliner is a powerful tool for organizing (and reorganizing) information, so you can see the full picture and structure your information effortlessly.

Platforms: Mac, iPhone, iPad

Best for: Outlining, Essay, and Blog

Website: https://www.omnigroup.com/omnioutliner/

Also rated 3.2 ★ on the App Store

ApolloPad is a feature-packed online writing environment that will help you finish your novels, ebooks and short stories.

Platforms: Online

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

Website: https://apollopad.com/

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

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

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