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33 free tools for subscription businesses
Calculators, scorecards and AI generators built on The Subscription Playbook. Pick a model, design a pricing table, check your AI margins and see what churn is costing you.
AI Subscription Playbook Generator
Personalized strategies for all seven areas of the book, a pricing table and a 90-day action plan for your business.
AI pricing
AI Gross Margin Calculator: Are Your Heavy Users Eating Your Margin?
Model token costs, light, median and heavy users, other COGS and your price. See gross margin by segment, your break-even price and heavy-user risk.
AI Token Cost Calculator: What Will Your LLM API Bill Be?
Estimate your monthly LLM API bill across 20 models in seconds. Enter requests, tokens and cache hits to see cost per request, per 1,000 and per month.
Credit Pack Designer: Turn Your Costs Into a Credit Rate Card
Enter your cost per action and target margin. Get credits per action, plan allowances, top-up prices, worst-case margin and a ready-made credit policy.
AI Agent Pricing Calculator: Per Seat, Per Conversation or Per Resolution?
Compare per-seat, per-conversation, per-resolution and hybrid pricing for an AI agent. See what your customer saves, your margin and what a bad month does.
Pricing
Pricing Model Picker: Flat, Tiered, Seats, Usage, Credits or Outcomes?
Answer 10 quick questions about your costs, customers and value. Get the model that fits, a runner-up, how customers should start and real examples.
Pricing Table Builder: Design Three Tiers That Sell the Middle One
Build a good-better-best pricing table in minutes. Edit tiers, prices and features, preview monthly and annual, run the checks and export HTML or Markdown.
Value Metric Finder: Which Unit Should Your Price Be Based On?
Score candidate value metrics on the book's five tests: value-based, scalable, flexible, feasible and predictable. Get a ranked shortlist and what to fix.
Subscription Price Calculator: What Should You Charge Each Month?
Work out a profitable monthly subscription price after materials, staff time, card fees and GST. See margin per member, heavy-user risk and a 3-tier plan.
Price Increase Simulator: Will Raising Your Price Pay Off?
Model a price rise before you announce it. See MRR with and without the increase, the churn you can afford, and whether to grandfather existing customers.
Annual Discount Calculator: How Much Should an Annual Plan Save?
Find the annual plan discount that still beats monthly billing. Uses your churn, renewal rate and cost of capital to show the break-even and a safe target.
Consulting Rate Calculator: Your Day Rate, Retainers and Success Fees
Free consulting rate calculator: find your hourly and day rate floor from income, overheads, tax and utilization, then build retainers and success fees.
Metrics and valuation
MRR Calculator: See Exactly Where Your Recurring Revenue Moved
Free MRR calculator: enter new, expansion, contraction and churned MRR to get ending MRR, net new MRR, ARR, growth rate and SaaS quick ratio in seconds.
Churn Rate Calculator: What Churn Really Costs You
Free churn rate calculator: get monthly and annual customer churn, revenue churn, GRR, NRR and average lifetime, then compare with 2026 benchmarks.
Customer Lifetime Value (LTV) Calculator
Free LTV calculator for subscription businesses: gross-margin LTV, a realistic discounted LTV with expansion, and the most you can spend to win a customer.
LTV:CAC and CAC Payback Calculator
Free LTV:CAC calculator: work out CAC, lifetime value, your LTV to CAC ratio and CAC payback in months, then see how you compare with 2026 SaaS benchmarks.
NRR and GRR Calculator: Is Your Customer Base Growing on Its Own?
Free NRR calculator: enter starting MRR, expansion, contraction and churn to get net and gross revenue retention, annualized, with benchmarks by segment.
Rule of 40 Calculator
Free Rule of 40 calculator: add revenue growth and EBITDA or cash flow margin, see your score against 2025 benchmarks, and test what it takes to reach 40.
Subscription Business Valuation Estimator
Free SaaS valuation calculator: an illustrative ARR multiple and value range from growth, NRR, margin, profit and concentration, using 2026 market data.
Stripe Export Analyzer: MRR, Churn and Cohorts From Your Subscriptions CSV
Upload a Stripe subscriptions CSV and get MRR, ARR, churn, ARPA, MRR movements and a cohort retention table. Free, and your data never leaves your browser.
Growth, moats and retention
Subscription Model Selector: Which of the 8 Models Fits Your Business?
Answer eight quick questions and see which of the 8 subscription models fits your business best, with reasons, examples and how to apply each one.
The MOATS Scorecard: How Wide Is the Moat Around Your Business?
Score your business on the five MOATS factors and all 11 moat elements from The Subscription Playbook. Get a score out of 100 and the fixes to make first.
Subscription vs One-off Sales: What Would Switching Do to Your Profit?
Compare one-off sales with a subscription over 24 months: revenue, MRR, cash flow, payback on launch costs and an illustrative valuation of each model.
Network Effects Scorecard: Which of the Six Network Effects Could You Build?
Score your business against the six network effects, get a supply-first plan for the chicken-or-egg problem, and see where people could go around you.
Churn Risk Checklist: Where Will Your Customers Leave?
Answer 21 yes/no questions drawn from The Subscription Playbook's churn best practices. Get a churn risk score, health by area and a prioritized fix list.
Customer research
Van Westendorp Price Sensitivity Calculator
Free Van Westendorp calculator: paste your four price answers and get the acceptable price range, optimal and indifference prices, and the curves.
Product/Market Fit Survey Scorer: Run the Sean Ellis 40% Test
Free Sean Ellis test scorer: copy the PMF survey, enter your answers overall and by segment, and see your score against 40% and Superhuman's next steps.
AICustomer Pain-Point Analyser: Turn Reviews and Tickets Into Decisions
Paste reviews, tickets or survey answers. Get instant themes and quotes in your browser, then an AI read of pain points, jobs-to-be-done and churn risks.
AIWebsite Subscription Audit: Find the Recurring Revenue Hiding in Your Website
Enter your website address and get an AI audit of your subscription opportunities and pricing page, plus a two-minute self-check that works without AI.
AISynthetic Customer Panel: Rehearse Your Offer and Price on AI Personas
Describe your offer, audience and prices. Get a simulated panel of customer personas, then a ready-made kit to test with real people. Directional only.
AIAsk the Book: Your Subscription and Pricing Questions, Answered From Both Books
Ask any question about subscriptions, pricing, churn or marketing. Get answers drawn from The Subscription Playbook and Feed a Starving Crowd, with links.