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Your startup runs on equity.
Score contributions, compare scenarios, and generate a report your whole team can sign.
Karo Studio Not legal advice
Your startup runs on equity.
Built by Karo Studio for the next generation of founders. Score contributions, compare scenarios, and generate a report your whole team can sign.
A Karo Studio product Not legal advice
Companies we collaborate with
Built for founders who think ahead
Six categories of contribution. One fair number. Zero guesswork.
100%
Data-Driven
Every percentage backed by actual contribution scores, not gut feeling.
Conflict Detection
Flags dead equity, lopsided splits, and missing vesting before they blow up your partnership.
Scenario Builder
Run what-if splits side by side. See how one change reshapes the whole picture.
Vesting Planner
Set cliff periods, monthly vesting, and custom schedules so no one walks away with unearned equity.
Year 1 (Cliff)25%
Year 250%
Year 375%
Year 4 (Fully vested)100%
Share with Co-founders
Send a private link. Everyone reviews the same scores. Align before you sign.
J. Smith CEO
42%
34%
E. Chen CTOD. Lopez COO
24%
Karo Studio
We build tools that help founders start right. CapCake is where equity gets fair.
Most founding teams get equity wrong
These three mistakes kill more startups than bad products do. CapCake catches them before they happen.
Equal is not fair
Splitting 50/50 sounds friendly until one founder works weekends and the other disappears.
The "fair" 50/50
Looks equal. Feels wrong.
50%
Works 60h/week
50%
Shows up twice
6 months later: resentment, then lawyers.
Dead equity problem
A passive founder holding 35% blocks fundraising, hiring, and every vote that matters.
No vesting, no safety
Someone who quits in month two walks away with a full share. You keep the work. They keep the equity.
Five steps to a fair split
Answer a few questions. CapCake handles the math.
Add your founders
Drop in names, pick roles, set hours. CapCake knows who is building what.
Score every contribution
Capital, skills, risk, execution, network. Six dimensions, one honest number.
See the split instantly
A recommended equity percentage with plain-English reasoning behind every point.
Export a pro report
Scores, vesting plan, risk alerts, and a draft agreement. Ready for your lawyer.
Share with co-founders
One private link. Everyone reviews the same data. Align before you incorporate.
Works for every
founding setup.
Two people in a garage or twenty teams in an accelerator. CapCake adapts to how your team is built.
2 Co-founders
One builds, one sells. CapCake finds the fair number.
3-Person Team
CEO, CTO, CPO. Three roles, three scores, one split everyone agrees on.
Investor + Operator
Capital equity and sweat equity in separate lanes. No more mixing investment with operational contribution.
Advisor Equity
The right slice with proper vesting attached. No guesswork on advisory shares.
Solo + New CTO
Bringing on a technical co-founder? Start the conversation with data, not feelings.
Split equity
from your pocket.
Take CapCake anywhere. Run calculations on the go, share results with co-founders instantly, and never miss an equity conversation again.
Coming soon. Join the waitlist by creating a free account.
Founders deserve better tools.
We build them.
A Karo Studio product. Start with a free calculation. Upgrade when you need the full picture.