ProRevenue · Simulator
Cohort Retention & LTV Simulator
Watch one cohort decay — and see its true lifetime value.
Assumptions
Retained at 12mo
57%
LTV / customer
$368
Cohort value (12mo)
$36,771
| Month | Active | Margin Revenue | Cumulative |
|---|---|---|---|
| Month 2 | 95 | $3,800 | $7,800 |
| Month 4 | 86 | $3,429 | $14,840 |
| Month 6 | 77 | $3,095 | $21,193 |
| Month 8 | 70 | $2,793 | $26,926 |
| Month 10 | 63 | $2,521 | $32,101 |
| Month 12 | 57 | $2,275 | $36,771 |
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Built by The Crimson Bench · Educational model, not financial advice
About the Cohort Retention & LTV Simulator
Track a single customer cohort month by month as churn erodes it, and see cumulative revenue and lifetime value per customer. The honest way to value a customer.
It's built for directional planning: change any assumption and watch the whole projection move, the way a seasoned operator pressure-tests a plan before committing capital. Everything is computed live in your browser — nothing is sent anywhere.
How the Cohort Retention & LTV Simulator Works
The model takes 4 assumptions and returns 3 headline metrics plus a full breakdown. Here is exactly what goes in and what comes out — no black box.
The Inputs
| Assumption | Example value |
|---|---|
| Cohort size | 100 |
| Monthly revenue / customer | $50 |
| Gross margin | 80% |
| Monthly churn | 5% |
Worked Example
Every figure below is produced by the live model using the example assumptions above. Change any input in the simulator to see your own numbers.
Retained at 12mo
57%
LTV / customer
$368
Cohort value (12mo)
$36,771
| Month | Active | Margin Revenue | Cumulative |
|---|---|---|---|
| Month 2 | 95 | $3,800 | $7,800 |
| Month 4 | 86 | $3,429 | $14,840 |
| Month 6 | 77 | $3,095 | $21,193 |
| Month 8 | 70 | $2,793 | $26,926 |
| Month 10 | 63 | $2,521 | $32,101 |
| Month 12 | 57 | $2,275 | $36,771 |
The Operator's Read
Each customer is worth about $368 in the first year. Churn is the lever — halving it roughly doubles this without a single new sale.
Assumptions & Limitations
- •The model is deterministic: it projects your inputs forward with clear arithmetic, not a Monte-Carlo or probabilistic forecast. It shows one scenario at a time — run several to bracket a range.
- •Defaults are illustrative benchmarks, not your business. Replace every field with your real numbers before drawing conclusions.
- •It abstracts away taxes, financing, seasonality, and one-off events unless a field explicitly captures them. Treat the output as a directional estimate.
- •This is an educational tool, not financial, investment, tax, or legal advice. Validate real decisions with a qualified professional.
Frequently Asked Questions
What does the Cohort Retention & LTV Simulator calculate?
Track a single customer cohort month by month as churn erodes it, and see cumulative revenue and lifetime value per customer. The honest way to value a customer. It takes 4 assumptions — Cohort size, Monthly revenue / customer, Gross margin, Monthly churn — and returns Retained at 12mo, LTV / customer, Cohort value (12mo), along with a full projection table you can export.
How do I use the Cohort Retention & LTV Simulator?
Enter your own figures in the input fields above — Cohort size, Monthly revenue / customer, Gross margin, and the rest. The model recalculates instantly and shows the resulting Retained at 12mo and full breakdown. No sign-up needed to run it.
Is the Cohort Retention & LTV Simulator free?
Yes — you can run the simulator and see the headline results for free. Toolkit Pro unlocks the full projection table, Excel/PDF export, saved scenarios, and AI analysis: $180/mo, $1,728/yr, or unlock any 3 simulators for $20.
What's the difference between this and a free calculator?
A calculator answers one question. This simulator models the full picture — multiple linked assumptions, a projection table, and scenario comparison — the way an operator would build it in a spreadsheet, but instantly.
Who built the Cohort Retention & LTV Simulator?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. This is the self-serve version of a model they'd build inside a live engagement.
Is this financial advice?
No. The Cohort Retention & LTV Simulator is an educational modeling tool for directional planning — not financial, investment, tax, or legal advice. Validate any real decision with a qualified professional.
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The Crimson Bench · Est. 2002 · Founded in New York City
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