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How to decide whether your product should have a free tier

Decide on a free tier by answering three questions: does your product get better as more people use it, is your marginal cost per free user near zero, and can you reach the volume a free tier requires? A free tier converts a small single-digit percentage of users in most products, so it needs large numbers to work. For a bootstrapped product with a few hundred visitors a month, a time-limited trial or a money-back guarantee produces the same trust without the cost or the distraction.

2 hours $0 to run6 stepsUpdated 2026

The workflow

0/6 done

  1. A calculator costs nothing per user; anything calling a model, sending email, storing files or running background jobs does not. Work out the monthly cost of a free user who behaves like your heaviest one. If it is more than a few cents, a free tier is a subscription you pay on behalf of strangers, and it scales in the wrong direction.

  2. Network effects, shared data, public content and marketplaces genuinely improve with free users, which justifies the cost. A single-player tool does not — each free user adds support load and nothing else. This is the question that separates a strategic free tier from a habit copied from companies with entirely different economics.

  3. Free-to-paid conversion in the low single digits is typical. At 2%, supporting 50 paying customers requires around 2,500 free users, which requires a distribution machine you probably do not have yet. Bootstrapped founders routinely adopt a model that depends on traffic volumes they will not reach for years.

    Runway CalculatorFull tool
    Input
    Free tier costs $0.40/user/mo in inference, 2% convert to $29/mo, target 50 paying customers
    What comes back
    2,500 free users needed, costing $1,000/mo against $1,450 of revenue — a 31% margin before hosting and support. Compare with a 14-day trial: no ongoing free cost, and trial-to-paid typically converts an order of magnitude better on much less traffic.

    Run it yourself — free, no signup:

    8%
    Runway
    5+ years
    Cash never reaches zero inside five years: you break even at month 12 and it climbs from there. That holds exactly as long as the growth rate does.
    Break-even month
    Month 12
    The month the borrowing stops. Worth more attention than the runway number.
    What cash ÷ burn would tell you
    12 months
    It says 12 months, because it assumes your MRR never moves. That assumption is the entire difference between running out next year and not running out.

    Under six months: cut, because you need a certain effect fast. Above twelve: grow, because growth compounds and cutting caps your ceiling. The founders who get this wrong grow when they should cut — growing feels like progress.

  4. A time-limited trial, a money-back guarantee, or a genuinely free standalone tool that is separate from the product. All three build trust; none carries an unbounded ongoing cost. The guarantee in particular is underused — it removes purchase risk entirely while keeping every user a paying one.

  5. Cap something the user can predict — runs, rows, projects — rather than crippling the product with missing features. A free tier that does not work produces bad reviews and no conversions, while one that works within a clear limit produces upgrades when the limit is reached, which is the entire mechanism.

    Pricing GraderFull tool
    Input
    Free tier: 20 runs/mo. Paid $29/mo unlimited. Inference-backed tool.
    What comes back
    The limiter is predictable, which is right. "Unlimited" on the paid tier is the risk — your heaviest user determines your margin. Cap paid at a generous number (say 1,000 runs) with overage, and the free tier stops being the thing that can hurt you.

    Run it yourself — free, no signup:

    0
    / 100 — Broken

    This page is costing you money from people who already decided to buy. Rebuild it around the unchecked rows before you spend another dollar on traffic.

    Fix in this order
    1. 1.A real price is on the page
    2. 2.Three or fewer plans
    3. 3.The price scales on a value metric

    Weighted by what each one costs you. Do the top item, ship, then measure — fixing all three at once tells you nothing about which worked.

  6. Free tiers are easy to launch and politically hard to remove. Decide now what you will check in six months — cost per free user, conversion rate, support hours consumed — and what result would end it. Removing a free tier later without a stated review point reads as a betrayal; removing it against a published measure reads as a decision.

Questions founders ask about this

Should a bootstrapped SaaS have a free tier?
Usually not at the start. Free tiers need large volumes to convert meaningfully and cost real money per user when the product does anything expensive. A trial or a money-back guarantee builds the same trust without the ongoing cost.
What free-to-paid conversion rate should I expect?
Low single digits is typical for self-serve products. That means a free tier supporting fifty customers needs thousands of free users, and therefore a distribution channel that can deliver them.
Is a free trial better than a free tier?
For most small products, yes. Trials convert far better on far less traffic and carry no permanent cost, which matters most when every free user consumes inference, storage or support.
How should I limit a free tier?
By a usage number the user can predict — runs, rows, projects — not by removing features that make the product work. A crippled free tier generates complaints instead of upgrades.
Can I remove a free tier later?
Yes, and it is easier if you set a public review point in advance. Grandfather existing free users where you can, and give plenty of notice — the reputational cost comes from surprise, not from the change itself.

Next, founders usually do this

The tools used above have their own pages — MRR & Runway Calculator and Pricing Page Grader — and the SOP SOP: Get your runway and burn under control runs the same ground in more depth. Also worth reading: the Nine Lives Doctrine, and real verdicts from ideas kitty has run this workflow on.

kitty.build runs this entire workflow for you

Every step above — the research, the competitor read, the numbers, the honest verdict — is what nine specialist AI boards do automatically when you feed her an idea. She will tell you to kill it if it deserves killing. First idea is free.

Feed her an idea — free

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