Early Access Pricing

Your content engine,
powered by your real ideas.

Stop prompting ChatGPT from scratch. HeartStack learns how you think, write, and edit, so every draft gets closer to your voice.

7-Day Free Trial
Mika
Sage
Kai
Reva

Mika·Sage·Kai·Reva

$79/month

No charge for 7 days. Cancel anytime.

Everything included

  • Unlimited captures (voice, text, docs, URLs)
  • Full AI agent team (Mika, Sage, Kai, Reva)
  • Voice fingerprint matching
  • Adaptive AI that learns from every edit you make
  • Strategy briefs with data-backed recommendations
  • Quality scoring and specific feedback
  • Knowledge vault that grows with your expertise
  • LinkedIn analytics and performance tracking

We'll remind you 3 days before your trial ends.
Cancel in one click, no questions asked.

Build Your Second Brain. Let It Create For You.

Every voice note, every PDF, every raw idea you capture goes into your Knowledge Vault. Every edit you make teaches your AI agent team how you think and write. They learn the words you choose, the phrases you cut, and the structure you prefer. After a few weeks, drafts feel like you wrote them on your best day.

4
AI agents trained on you
68%
Less time per post
6x
More content shipped

Everything you need to turn expertise into content

One platform. Four AI agents. The more you use it, the more it sounds like you.

Capture your thinking anywhere

Voice, text, documents, URLs. Send ideas from WhatsApp, upload a PDF, paste an article.

AI extracts the insights for you

Your agent team finds the hook, the angle, and the content gold buried in your raw thoughts.

Drafts that get smarter with every edit

Kai studies every change you make: the words you swap, the phrases you cut, the structure you prefer. The more you use HeartStack, the more your drafts sound like you wrote them.

Week 1
55%
Week 4
82%
Week 8
96%

Voice match accuracy

Built-in quality gate

52 slop word checks, 4-dimension scoring, and specific fixes. Nothing generic makes it to your feed.

Strategy that actually drives results

Funnel tracking, pillar gap detection, and data-backed recommendations for what to post next.

From idea to publish-ready in minutes

No more staring at a blank screen. Capture a thought, get a polished draft, publish with confidence.

Frequently Asked Questions.

Mika
Sage
Kai
Reva

Ready to build your vault?

The sooner you start, the faster your AI agent team learns your voice.

7 days free. Cancel anytime. No risk.