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Pulsyn
Meet North — A calmer way to understand your patterns.

Meet North

A calmer way to understand your patterns.

North connects your Rune 1 signals and turns them into plain-language guidance for sleep, recovery, and the day ahead.

An engineer for your wellness

North reasons before it responds. Each insight runs the same steps: analyze, cross-reference, synthesize.

Think
plan_actions

What’s affecting your energy?

Identifies the right question and selects which tools to invoke.

Analyze
analyze_sleep

Sleep score: 62 · Deep sleep: 45min

Pulls last night’s architecture and compares to your baseline.

Search
search_history

Found: “Coffee at 4pm” in journal

Finds correlating lifestyle factors from your journal entries.

Insight
generate_insight

Deep sleep was 34% lower after late caffeine

Synthesizes into actionable guidance: caffeine before 2pm this week.

Powered by RAG memory, wellness tools, and multi-step reasoning

See North in Action

Step through real conversations to see how North turns your wellness trends into personalized guidance.

North
Morning Briefing
Good morning, North! How did I sleep?
✓ analyze_sleep
Sleep Score 87/100
Deep Sleep 1h 42m
HRV 58ms (above baseline)
Recovery Fully recovered

Good morning! Here’s your overnight summary:

You had one of your best nights this week.

Mission 1 of 5

Your whole day, figured out by the time you finish your coffee.

North reads last night's sleep, this morning's HRV, and your recovery trend. Then it maps out exactly when to focus, move, cut caffeine, and wind down. Fresh every morning.

9:00 – 11:30 AM

Peak Focus

Your activity and focus window, based on recent sleep patterns.

1:00 – 2:00 PM

Recovery Window

Best time for a nap or meditation based on your sleep debt.

2:00 PM

Caffeine Cutoff

Last safe caffeine intake to protect tonight’s deep sleep.

4:00 – 6:00 PM

Exercise Window

Optimal training window from recovery score and HRV trends.

9:30 PM

Wind Down

Begin winding down based on your ideal sleep onset.

Your data, your choice

Free keeps everything on-device. Pro unlocks cloud power. Only if you opt in.

$0/month

Free Plan

Everything stays on your phone

  • On-device AI processing (Pulsyn Agent 0.8B/4B)
  • No internet required for core features
  • All data stored locally on your phone
  • Zero data transmission
Local-only privacy
$6/month Cloud-Powered

Pro Plan

You control your data

Keep Local
Cloud Sync

You control the switch

100x more power
Faster speeds
  • Agentic AI with tool use & proactive tracking
  • Cloud models for deeper insights
  • Zero retention for AI requests · E2E encrypted for sync
Control your privacy mode

Never sold

Your data is never sold to third parties

Never trained on

Your data is never used to train AI models

Never disclosed

Your data is never shared with anyone

Always deletable

Full data deletion on request, immediately

Whether you stay on-device or upgrade to Pro, your privacy is protected. Pro cloud AI requests are processed with zero data retention — answered and immediately discarded, never stored or trained on. Pro cloud sync is end-to-end encrypted with keys only you hold. We will never sell, share, or monetize your health data.[3]

Read our full privacy policy

Simple, honest pricing

Every Pulsyn ring ships with on-device AI. Upgrade to Pulsyn Pro for cloud-powered analysis.

On-Device AI

Free with every ring
  • 0.8B always-on model + 4B full on-device model. Fully private, no cloud needed
  • Daily health summaries (on-device)
  • Sleep, HR, HRV, and temperature tracking
  • North Coach
  • On-device anomaly detection
  • Local RAG memory
Included with every ring

Included with Rune 1

Pulsyn Pro

Cloud-Powered
$6 /month
  • Everything in On-Device AI, plus:
  • Open-weight large cloud models (fast responses + deep analysis)
  • North conversational agent with tool use
  • North Coach + dynamic adjustments
  • Multi-week wellness trend analysis
  • Weekly AI-generated wellness reports
  • Web-augmented insights (latest research)
Premium AI experience

Ready to meet North?

An always-on health agent that thinks, reasons, and respects your privacy. Free on-device AI with every ring.

Learn about our privacy

On-device AI features included free with every Pulsyn Rune 1. Pulsyn Pro is $6/mo.