Startup Brain
- Missionanchor
- Ideal customer · 8 noteshot
- Roadmap context · Q3ref
- Pricing assumptionsopen
CofounderOS turns scattered ideas, decisions, tasks, and weekly progress into one focused founder operating system.
The problem
Solo founders carry the whole startup in their head — across notes, chats, tabs, and tools. Every Monday starts from zero.
The Solution
CofounderOS gives solo founders a structured way to capture context, choose the next move, execute with focus, and review progress every week.
All your startup memory in one place.
Pressure-test the calls that matter.
Pick the next move with confidence.
Ship the lane that moves the business.
Compound what's working every Friday.
Why founders choose it
Move from scattered ideas to a clear next action faster.
Make decisions with more context, fewer assumptions, and better review loops.
Avoid building the wrong things by cutting scope, validating first, and focusing on high-leverage work.
Use cases
Founder Scenarios
These are scenarios, not customer reviews. They show how the operating rhythm fits the weeks every solo founder runs into.
From the team
Bad weeks are when the worst pivots happen. A short checklist keeps you from rebuilding the company on a Wednesday.
Honest updates compound trust. Vanity numbers and vague wins erode it.
Stop ranking by feeling. Use four signals: impact, effort, confidence, and customer value.
Pricing
For founders testing the workflow.
$0
Free to use
For solo founders actively building and shipping.
$19
per month
For founders preparing launch, fundraising, or accelerator.
$49
per month
Start with your Startup Brain and turn scattered context into focused weekly progress.