Directory / Growth & Notes

Growth & Notes tools for Substack writers

Referral networks, recommendation swaps, signup embeds and Substack Notes tools that bring in new subscribers.

Turning long-form posts into Notes and cross-posting to LinkedIn, X, Bluesky, Threads and Medium

Growth & NotesBuilt for Substack

Getting paid recommendations and buying cross-newsletter referrals

Growth & NotesFree plan

A simple cloud queue for batch-scheduling Substack Notes

Growth & NotesBuilt for Substack

Writers with their own website who want on-brand Substack signup forms, popups and landing pages

Growth & NotesFree planBuilt for Substack

Writers who live on Substack Notes and want batch scheduling, research and Notes-to-subscriber analytics

Growth & NotesBuilt for Substack

Pricing at a glance

Tool	Best for	Pricing (checked 2026-10-18)
Narrareach	Turning long-form posts into Notes and cross-posting to LinkedIn, X, Bluesky, Threads and Medium	From $19.99/mo ($199/yr); higher tiers $39/mo and $89/mo (discounted yearly).
SparkLoop	Getting paid recommendations and buying cross-newsletter referrals	Free to join the Partner Network and Upscribe recommendation widget (SparkLoop takes a share of paid-recommendation earnings). Paying other newsletters to recommend you is a separate paid program.
StackSweller	A simple cloud queue for batch-scheduling Substack Notes	Pro $39/mo, or $25/mo billed yearly ($250/yr).
Supascribe	Writers with their own website who want on-brand Substack signup forms, popups and landing pages	Free for your first 100 subscribers captured and 1,000 embed views; a paid Pro plan after that (usage add-ons beyond plan limits).
WriteStack	Writers who live on Substack Notes and want batch scheduling, research and Notes-to-subscriber analytics	Hobbyist $23.99/mo, Standard $32.99/mo, Enterprise $99.99/mo; 7-day free trial.

Prices change. Always confirm on the vendor's site.