Narrareach
Turning long-form posts into Notes and cross-posting to LinkedIn, X, Bluesky, Threads and Medium
Tools to grow your Substack,
checked by hand.
50 verified tools for growth, Notes, analytics, design, editing, audio and sponsorships, each with real pricing and an honest one-line verdict.
50 tools
SparkLoop
Getting paid recommendations and buying cross-newsletter referrals
StackSweller
A simple cloud queue for batch-scheduling Substack Notes
Supascribe
Writers with their own website who want on-brand Substack signup forms, popups and landing pages
WriteStack
Writers who live on Substack Notes and want batch scheduling, research and Notes-to-subscriber analytics
Adobe Podcast
Making laptop-mic recordings sound clean (Enhance Speech)
Audacity
Recording and cleaning up voiceovers on a zero budget
Bitly
Tracking clicks on links you share to social, podcasts and print
Buffer
Scheduling Notes alongside every other social channel from one calendar
Byline OS
Paid-newsletter writers who want MRR, churn, cohort and revenue-per-post analytics
Canva
Header images, social graphics, Notes images and simple brand kits
ChatGPT
Brainstorming angles, outlines, headlines and research summaries
Claude
Long-document feedback, structural edits and drafting help
Datawrapper
Clean, accurate charts, maps and tables for data-driven posts
Descript
Editing podcast and video by editing the transcript
ElevenLabs
Producing audio versions of posts with natural-sounding AI voices
Figma
Custom visual systems, templates and detailed design work
Flourish
Animated and interactive charts and scrollytelling
Google Analytics
Seeing where your Substack traffic comes from (Substack lets you add a GA measurement ID)
Google Trends
Checking whether a topic is rising before you write about it
Grammarly
Catching typos and clarity issues everywhere you write, including the Substack editor
Gumroad
Selling ebooks, templates and guides alongside your newsletter
Hecto
Selling sponsorship slots with transparent, upfront prices
Hemingway Editor
Making dense posts easier to read
Hypefury
Automating evergreen reposts and growth on X
Kittl
Typography-heavy graphics and AI-assisted illustrations
Ko-fi
One-off tips from readers who won't commit to a paid subscription
LanguageTool
Multilingual writers and anyone who wants a Grammarly alternative
Linktree
A link-in-bio page that points social followers to your Substack
Notion
Editorial calendars, idea banks and sponsor CRMs
Obsidian
Building a personal knowledge base of notes, quotes and ideas
OpusClip
Turning long videos or podcast episodes into short social clips
Paved
Established newsletters looking for sponsor demand
Perplexity
Quick research with cited sources
Plausible
Privacy-friendly analytics for your own website or landing page
ProWritingAid
Deep style reports for long-form and fiction writers
QuillBot
Paraphrasing, summarizing and quick rewrites
Readwise
Collecting highlights from books and articles to feed your writing
remove.bg
One-click background removal for headshots and product images
Repurpose.io
Automatically distributing video and podcast clips across platforms
Riverside
Recording remote interviews in high quality
Subshack
Finding out which Notes and posts actually bring subscribers, and auditing your profile
Sudowrite
Fiction writers publishing serialized stories
Swapstack
Finding sponsors and affiliate deals for small and mid-sized newsletters
Tally
Reader surveys, sponsor inquiry forms and feedback forms
Taplio
Writers growing a professional audience on LinkedIn
Trello
A simple kanban for drafts moving from idea to published
Typefully
X-first writers who also want to post to LinkedIn, Threads, Bluesky and Substack Notes
Unsplash
Free, high-quality photos for post headers
Zapier
Automating busywork such as logging new posts to a spreadsheet or sending sponsor reminders
No tools match. Try a broader search.
Browse by use case
Every category page lists tools with pricing and verdicts.
Growth & Notes (5)Referral networks, recommendation swaps, signup embeds and Substack Notes tools that bring in new subscribers.Analytics (5)See which posts, Notes and channels actually turn readers into free and paid subscribers.Cross-posting & Social (5)Schedule and repurpose your writing for X, LinkedIn, Threads, Bluesky and Notes.Design (5)Header images, social cards and brand visuals without hiring a designer.Editing & Proofreading (5)Catch typos, tighten sentences and keep your voice.Planning, Research & Automation (6)Editorial calendars, idea capture, research and automations.AI Writing & Research (4)AI assistants for brainstorming, outlining, critique and research. Use with care.Audio, Podcast & Video (6)Record, edit and repurpose audio and video for Substack podcasts and social clips.Embeds & Interactive (4)Forms, charts and link pages that add interactivity around your newsletter.Sponsorships & Monetization (5)Sponsor marketplaces, digital product sales and tips beyond paid subscriptions.
New here? Start with the guide
Our long-form guide picks the tools that matter at each stage, from $0 to a full paid-newsletter stack.
Read: Best tools to grow your Substack in 2026 →One useful tool a week
A short weekly email: one tool we've checked, what it costs, and who it's actually for. Free.