Stop guessing. Set your structure. Let contributions do the rest. The only equity tool that combines agreed splits with real-time performance.Built to prevent co-founder conflicts before they start.
Automatically adjust equity based on real contributions. Time, cash, and resources perfectly tracked.
Set fixed equity for founders and create option pools for future employees. Absolute control over your cap table.
Manage vestings, issue shares, and run round simulators. Everything you need to scale securely.
Generate compliant documents instantly. Contracts, board resolutions, and certificates always ready.

Compare the tools available today.
| Feature | Equafy | Carta | Spreadsheet |
|---|---|---|---|
| Dynamic equity model | |||
| Fixed + Dynamic hybrid | |||
| Unlimited members | Paid per user | Manual | |
| Vesting & grants | Manual | ||
| SAFE & convertible notes | Manual | ||
| Round simulator | |||
| Audit log | |||
| Legal document templates | Extra cost | ||
| Built for pre-seed stage | |||
| Price | $19.99/mo | $500+/mo | Free |
* Competitor information based on publicly available pricing and features as of 2026. Subject to change.
Most founding teams lock in equity during their first month — usually splitting it equally. Six months later, when one founder is working 80-hour weeks, another has invested €20K of personal savings, and a third has quietly disengaged, that "fair" deal becomes the root of every conflict.
of founding teams fix their equity split within the first month
startups split equity exactly 50/50 or equally among all founders
startups analyzed by Carta confirming these patterns
cause of co-founder breakups: disagreements over equity & roles

Every company is different. Select the mathematical logic that fits your stage.