For owners and operators
Business decisions that show their work.
Put in your real numbers, check every formula, record the call, and start the next one from what you kept.
3 free runs per tool per day, no account needed.
Start with the responsibility you own — how that works
Pick what you run; your next decision stays in view. Every free run shows the answer on your own numbers, with the formulas behind it. Pro turns a run into a Decision Memo you can save and share.
- The engine uses your inputs and assumptions, and shows what it used.
- Your dashboard shows no numbers until you have run your own.
- No customer activity is fabricated.
Plans from $29/moStarter is $29/mo after a 14-day trial. Pro is $99/mo when you need to save, share, and export your decisions. No card to start. Add billing to keep Pro; otherwise you keep free-tier access.
Try it with example numbers
The same formulas as the full ROI tool · change any number
ROI Calculator
Live preview · runs in your browserExample inputs — drag a slider. This preview recomputes instantly, right here in your browser.
3-year ROI
+98%
Payback
19.7 mo
NPV (10% rate)
$17,061
Break-even
Mo 20
Cumulative savings vs break-even, 36 months · computed from the inputs above
Same formulas as the full tool. The full run counts as one of your free runs and keeps your answer in this browser for up to a day.
Open the full calculatorEngine example checks
Run the decision free. Save it as a Decision Memo with Pro.
15/15 passed example checksExamples computed when this page was generated. This page may be cached. Any engine that failed says so instead of being counted.
Computed at . Run a fresh check
Six hard questions you can answer first.
Pricing Scenarios
Should I raise my prices?
Model margin, volume, and break-even trade-offs before changing the number.
Model a price changeCash Flow Forecaster
When will I run out of cash?
Run a 13-week cash forecast and see which week turns dangerous.
Forecast 13-week cashROI Calculator
Is this investment worth it?
Compare ROI, payback, NPV, and sensitivity in one board-readable case.
Calculate ROIWorkforce Planner
Do I hire, restructure, or wait?
Map current workload to capacity, overtime cost, and headcount pressure.
Plan headcountBreak-Even Analyzer
Where is break-even?
See the volume or revenue level where contribution margin clears fixed cost.
Calculate break-evenVendor Scorecard
Which vendor should I keep?
Score quality, cost, reliability, and responsiveness with a weighted review trail.
Score a vendorProof, Not Promises
See the Decision Memo before you trust the recommendation.
Sample memo — on Pro, your own run becomes this memo, with your numbers.
Market Expansion TraceIllustrative format · no fabricated run ID
- 01EnterYou put in your numbers and the assumptions behind them.
- 02CompareYou see the good case, the base case, and the bad case.
- 03CheckThe assumptions that could break it are named, not buried.
- 04ExportYou leave with a memo you can hand to whoever decides.
The full proof page recomputes examples on request.
See live proofBuilt for your role
Start in the cockpit built for your operating job.
Pick your role, compare a couple, and the one you choose comes with you.
Operating system simulator
Product preview · never account activity
Today's operating question
Which decision, constraint, or exception needs an owner call now?
Account metrics
Not activated — attach a saved system to load account-grounded metrics.
Workflow ledger
STATUS · No account run ledger is exposed in this public preview.
Founder / Operator
Which pricing, runway, hiring, and workflow decisions need structure before the next bet is made?
Run Pricing ScenariosAgency Owner
Which client delivery, proposal, staffing, and margin workflows need repeatable artifacts instead of manual assembly?
Draft an RFP responseOps Leader
Where are handoffs, staffing, SOPs, project health, and vendor decisions slowing the workflow down?
Generate an SOPConstruction Executive
Which projects, crews, vendors, and delivery risks need executive attention before the next commitment is made?
Plan crew capacitySales Director
Which leads, account-health risks, and follow-up motions deserve rep attention before pipeline review?
Score a leadTechnical Evaluator (IT / Systems)
Can BSS produce deterministic outputs, clear traces, API controls, and implementation boundaries that hold up technically?
See risk assessment exampleEconomic Buyer (Finance / Owner)
What does the team get for the subscription, what remains scoped, and how is value measured without exaggerated claims?
Calculate ROI for a workflowIndustry toolkits · operating context
The same deterministic machinery is packaged for different workflows; no customer benchmark is implied.
Digital agency toolkit
Agency Owners
Decide which prospects, prices, client accounts, and follow-ups deserve owner attention.
SaaS operations toolkit
SaaS Ops
Decide which customers, prospects, roadmap work, and cash assumptions need action this week.
Restaurant operations toolkit
Restaurants
Decide what to change in cash, staffing, menu pricing, vendors, and shift procedures.
Construction operations toolkit
Construction
Decide which job, crew, vendor, bid, or cash issue needs owner attention.
Pricing and trust
3 free runs per tool per day, no account needed. After those 3, come back tomorrow or keep going with a free account.
Starter
$29/mo
Starter is $29/mo after a 14-day trial. No card to start. Add billing to keep Starter; otherwise you keep free-tier access.
Pro
$99/mo
Pro is $99/mo after a 14-day free trial. No card to start. Add billing to keep Pro; otherwise you keep free-tier access.
Start Pro TrialBrainStack Studio
Run your first decision free.
Pro is $99/mo after a 14-day free trial. No card to start. Add billing to keep Pro; otherwise you keep free-tier access. Save the memo, export the trail, and keep the operating cadence.