Product Overview
PRICELAB is a downloadable, offline browser application built for SaaS founders, product managers, and startup consultants who need to make pricing decisions they can actually explain. Instead of a fragile spreadsheet with hidden formulas, PRICELAB shows every calculation and lets you compare scenarios side by side before you commit to a price change.
Set up to five pricing plans, define monthly prices, annual discounts, and customer mix percentages for each tier, and PRICELAB calculates eight key metrics instantly: MRR, ARR, blended ARPU, gross-margin contribution, LTV, LTV:CAC, CAC payback, and month-12 MRR.
Key Features
- Up to five pricing plans with monthly price, annual discount, and customer mix percentage per tier.
- Eight key metrics calculated instantly — MRR, ARR, blended ARPU, gross-margin contribution, LTV, LTV:CAC, CAC payback, and month-12 MRR.
- Three independent scenarios — Base, Conservative, and Growth — compared side by side.
- Twelve-month forecast showing how customer count and MRR evolve under your assumptions.
- Seven-by-seven sensitivity analysis exploring how price, churn, and conversion changes affect month-12 MRR.
- LocalStorage persistence and versioned JSON backup so your models survive a browser restart or move to another device.
- Printable management report ready to share with a co-founder, board, or investor.
- Fully offline with zero runtime dependencies and no network requests.
- Editable HTML, CSS, and JavaScript source, split cleanly into a calculation engine, state store, and UI layer.
What’s Included
32 files, delivered as one ZIP.
- Product/ (5 files) — index.html, assets/css/pricelab.css, and three JavaScript modules: engine.js (calculation formulas), store.js (state and presets), app.js (UI controller).
- Bonus/ (4 files) — KPI Glossary & Formula Reference (MD and PDF) and Pricing Decision Worksheet (MD and PDF).
- Documentation/ (19 files) — README, two Quick Start Guides (MD and PDF), Architecture, UI Spec, Technical Specification (YAML), Security & Privacy, Data Privacy Sheet, Browser Compatibility, Known Limitations, Formula Register (CSV), Calculation Test Vectors (CSV), Test Report, and browser end-to-end reports for both major engines.
- Editable/Source/ (1 file) — README.md explaining how the source maps to the release build.
- License/ (3 files) — License.txt, Code License Addendum, Third-Party Notices.
Who This Is For
- SaaS founders deciding on tier pricing before a launch or a repricing round.
- Product managers who need to justify a pricing change with a clear, shareable model.
- Startup consultants who model pricing scenarios for multiple client engagements.
- Finance-minded operators who want to see LTV:CAC and payback period without building a spreadsheet from scratch.
- Anyone wary of sending pricing data to a cloud tool who wants an entirely offline model.
Why Choose PRICELAB
- Transparent formulas — the Formula Register and calculation engine are documented, not hidden behind a black box.
- Three scenarios instead of one guess — compare Base, Conservative, and Growth before you decide.
- Sensitivity analysis built in — see exactly how a churn or conversion shift moves month-12 MRR before it happens.
- No subscription, no data leaving your machine — pricing strategy stays private until you choose to share the report.
How To Use
- Unzip the download and open Documentation/Quick_Start_Guide.pdf.
- Open Product/index.html in a current browser.
- Enter your pricing tiers, annual discounts, and customer mix, then review the Base scenario.
- Duplicate into Conservative and Growth scenarios and compare the twelve-month forecast.
- Run the sensitivity grid, then export a printable management report or a JSON backup.
Frequently Asked Questions
What format are the files? One ZIP containing HTML, CSS, and JavaScript source, PDF and Markdown guides, CSV formula and test data, YAML specification, and TXT licence files.
Can I edit the files? Yes. The source in Product/ is hand-authored with no build step, and Editable/Source/README.md explains how it is organized.
What software do I need? A current web browser to run the simulator and a PDF reader for the bonus guides.
Is this for personal or commercial use? Yes, both. You may customize the code for personal, business, or client end use, and deliver a customized end product to a client. Resale or redistribution of the source itself is not permitted.
What is the refund policy? This is a digital product delivered on download and is non-refundable once downloaded. Contact support for a replacement if a file is missing or corrupted.
Does PRICELAB send my pricing data anywhere? No. It runs entirely offline with zero network requests, and data is kept in your browser’s local storage unless you export it.
Can I model more than five pricing plans? The interface supports up to five tiers per scenario; the JavaScript source can be extended by a developer if you need more.
What does the sensitivity analysis show? A seven-by-seven grid of how price, churn, and conversion rate changes affect projected month-12 MRR.
Bonus
The KPI Glossary & Formula Reference explains every metric in plain language, and the Pricing Decision Worksheet gives you a structured way to document the reasoning behind a pricing change before you present it internally.
Reviews
There are no reviews yet.