Private Beta — Limited Access

Grow your Substack by swapping subscribers with writers in your niche.

AudSync matches you with complementary writers in your exact niche — indie game devs, crypto traders, solopreneur founders — and orchestrates a fair subscriber exchange, settled instantly via Stripe.

Get Founding Member Access— $99 one-time

Lifetime access · No recurring fees · Priority queue

or join the waitlist

Live Swaps

Indie Hackers Weekly⇄SaaS Founders Digest+247 subs

Active Exchange

Indie Hackers Weekly

Solopreneur · 3,200 subs

+247

⇄

SaaS Founders Digest

Bootstrapped SaaS · 4,100 subs

+247

Topic Overlap87% match

Stripe Settlement$12.50 / swap ✓

How It Works

Three steps to your next 500 subscribers.

Connect & Tag

Link your Substack and tag your niche topics. Our algorithm maps your audience's interests across 200+ micro-categories.

Match & Approve

We surface newsletters with >75% topic overlap and comparable subscriber quality. You approve each match before anything happens.

Swap & Settle

Curated subscriber recommendations go out to both audiences. Value differences are auto-calculated and settled instantly via Stripe.

Built For

Ultra-niche communities only.

Generic growth tools spray your Substack link everywhere. AudSync only connects you with writers whose readers already care about what you cover.

Indie Game DevsSolopreneur FoundersCrypto TradersAI ResearchersBootstrapped SaaSDeep TechClimate TechDeFi TradersGame DesignersNo-Code BuildersVenture ScoutsAngel Investors+ your niche

Why AudSync

The only fair way to trade audiences.

Precision matching

Not just "tech newsletters" — we match at the level of "bootstrapped B2B SaaS founders who cover pricing strategy".

Fair value exchange

Subscriber value is calculated by engagement rate, niche CPM, and list size. No one gets shortchanged. Stripe settles the difference.

You stay in control

Approve every match. Preview the other newsletter before committing. Cancel any time with no penalty.

Early Access

Stop grinding for growth.
Start trading it.

Secure founding member access and skip the waitlist entirely — or join free and we'll reach out when your spot is ready.