Relationship OS

Make invisible networks
visible.

The person you need to meet is already in your network.Let AI and human judgment weave the connections sleeping in your cards.

Discover Connect Act Trust
Never shared without consent
Human judgment at the end
iOS / Android
9:41
Taro Tanaka
Executive · Construction @ ABC Inc.
3 collaboration scenarios found by AI
Discover → Next step
Find a bridge in your network
Schedule a meeting
See contribution points
Scroll
Sleeping Assets

Your card box is
a sleeping asset.

Instead of finding new people, the answer is already among those you've met.The problem? You can't see it.

80%

80% of exchanged business cards
are never looked at again

2hop

83% of people you want to meet
are just 2 hops away

4x

Referral-based deals close
at ~4x higher rate

72h

After 72 hours
they won't remember you

Not for storage.
Tsumugu is built to weave real relationships.

Discover → Connect → Act

Three stages that weave
real connections from one card

Organizing alone doesn't build relationships. Tsumugu bundles every stage into a single flow.

1
Discover

AI reveals the invisible value

AI reads each card and extracts hidden value through four questions: collaboration scenarios, contribution points, network type, and character insight.

2
Connect

Network search and bridge discovery

Type "construction executive" and AI finds the right bridge in your network. Trustworthy introductions via the consent protocol.

3
Act

Meetings, emails, notes

Google Calendar + Zoom auto-sync. AI thank-you emails in 3 tones. Per-contact notes. Turn discovery into real action.

Trust — the foundation

Contact details are never shared without consent. Referrals only happen when the intermediary approves. Trust comes before efficiency — by design.

Tsumugu Philosophy

Not for efficiency, but
to stand betweenpeople.

Three principles Tsumugu upholds. Not feature specs — the root of our design.

Givers Gain

Give first.

AI doesn't ask "what can this person give me?" — it asks "what can I offer them?" first. Finding your contribution points is Tsumugu's first job.

Reason > Score

People are not numbers.

No A-rank or B-score. Instead, we explain in words why you should meet someone. The final judgment is always yours.

Consent > Efficiency

No connection without consent.

Referrals require the intermediary's approval. Privacy builds trust — we won't reverse this order. Safety before speed.

"In the age of AI, what matters most is neither the algorithm nor the data — but the human who chose to think again." — Tsumugu design principles
All features

Discovery, connection, action —
woven into one.

Flagship

AI Relationship Analysis (4 Questions)

AI analyzes each card from four angles: ① collaboration scenarios ② contribution points ③ network type ④ character insight. Reasons, not scores.

Collaboration Contribution Reason-based
Flagship

Network Search × Referral Consent

Natural-language search ("construction executive") → AI surfaces bridge contacts → approve/decline per candidate. Partial approval supported. Protocol built on trust.

NL Search 2-hop Discovery Consent Protocol

Batch Card Scanning

Front & back in one shot. Read multiple cards at once. Auto-tagging by industry.

AI Thank-you Email (3 Tones)

Formal / Casual / Friendly. Adjusted for role and context.

4-Language Auto Translation

Japanese cards auto-translated into KR / EN / ZH. Read international cards in your native tongue.

Calendar × Zoom

14-day calendar. Pick a slot, Zoom auto-generated. Two-way sync.

Digital card
Public booking page
Unlimited notes
CSV import/export
Push notifications
Team sharing
Use cases

Your network, turned into
real opportunities.

Discover

Executives & leaders

AI finds "the person you should meet today" from your massive card collection. Prepare three contribution points before your next dinner or trip.

"5 years of cards sat dormant. Tsumugu surfaced collaboration scenarios, and three new business lines launched in six months."

K
Kenta Yamamoto
CEO · Manufacturing
Connect

Startups & B2B sales

No need to build a network from scratch. Find bridge contacts in your existing relationships and grow trustworthy deals via consent-based referrals.

"I stopped cold emailing and switched to referral-first. Close rate 4x, and the quality of meetings completely changed."

M
Misaki Suzuki
Founder · SaaS Startup
Act

Freelancers & event-goers

Digital card + public booking page. No app required on the other side. A single QR closes the loop on sales efficiency.

"QR codes I handed out at the expo filled next week's calendar on the spot. 10x the response of paper cards."

Y
Yuta Sato
Web Designer · Freelance
Why Tsumugu

Storage apps vs.
a weaving app.

There are other card apps. But only Tsumugu is designed to weave relationships.

Comparison
Eight Organize cards
Sansan Turn cards into enterprise asset
CamCard Digitize cards fast
Tsumugu
Execute relationships
Design philosophy
Store
Manage
Speed
Weave
AI Relationship Analysis
4 Q's
Natural-language search
Limited
Consent-based referral
Meeting scheduling
Auto Zoom
4-language translation
Reason > Score design

* Feature info as of April 2026 from publicly available sources. Subject to change.

Pricing

Start free,
scale when you need.

Even on the Free plan, 50 scans/month and your digital card stay unlimited. Upgrade when you need AI analysis and referrals.

Annual billing saves you 2 months on every plan.
Entry

Starter

For those who want to start exploring discovery & AI.

¥780 / month
Annual ¥7,800 / year Save 2 months
  • Unlimited card scans
  • Unlimited contacts
  • AI analysis (¥100/mo cost cap)
  • Calendar × Zoom
Start with Starter
Power User

Pro

Everything truly unlimited — no cost caps.

¥2,980 / month
Annual ¥29,800 / year Save 2 months
  • Everything in Premium
  • Fully unlimited AI (no cost tracking)
  • Priority support
  • Advanced analytics
Start with Pro
Team plans

Weave relationships as a team

Shared team cards, Premium for everyone, ¥450–¥500 per seat.

Team 5 ¥2,500 Team 10 ¥4,500 Team 20 Coming Soon

Free plan: 50 scans/mo, 10 AI actions/mo, 5 network searches/mo, 100 contacts

Subscriptions are purchased in-app via App Store or Google Play. The button below leads to the app download page.

FAQ

Frequently asked

Start with Tsumugu

The answer is already
in your pocket.

Before searching for new people, try looking inside those you've already met.
Tsumugu weaves the sleeping connections.

Never shared without consent
Human judgment at the end
Free plan available
1-minute setup

"In business, what matters most is neither the product, nor the price, nor the algorithm —
but the human who chose to think again."

Start Free