The oldest trick in local business will get your SaaS more users than any growth hack
My last few posts here did a couple 100k views combined and the most common question in my DMs since has been some version of "should I build a free tool to get users" In short, yes. Long answer…. almost everyone builds the wrong one.
Let me explain with the oldest trick in local business.
Carpet cleaners used to offer one room cleaned completely free. It probably sounds like they're giving away the product right? Well that’s wrong. Because the moment that one room is clean and spotless…. every other room in the house looks filthy by comparison. The homeowner didn't know they had a problem an hour ago but now they can't unsee it. The free cleaning of one room did not satisfy the customer. It actually made them want more.
That's what a free tool is supposed to do. Solve one NARROW problem completely…. and in doing so make the bigger problem your paid product solves impossible to ignore. I build MVPs for founders and free tools have quietly become half of my project requests this year. I have watched them become a founder's entire growth engine and I have watched them become a complete waste of a month. The difference is never the code.
Now here is where every SaaS founder makes a mistake. And I mean this literally…. the most common free tool request I get is "can you build a lite version of our product." That's not cleaning one room. That's cleaning the whole house for free and hoping they tip you. It doesn't reveal the problem it SOLVES it. Then the founder wonders why free users never upgrade…. because you already gave them everything, genius. A big part of my job on these projects is talking the founder out of the lite version before we build anything.
After building a bunch of these, every free tool that actually converts falls into one of 3 buckets /groups.
Bucket one…. show them the dirt. Think about a diagnosis. You can offer an audit, a speed test, a calculator or a grader. You show them a number and a gap. For example you can say ,"Your site loads 30% slower than it should and here's roughly what that costs you a month." These approach work insanely well when the problem gets worse the longer they wait. I built this exact same thing for a founder with an SEO product…. free personalized audit, took the tool 30 seconds to generate but prospect thinks it took an hour. His cold outreach response rate went from 2% to 14% and it became his whole growth engine. The audit doesn't fix anything. It reveals what's broken. The paid product fixes it. These are also the fastest to build…. you're not building features, you're building a report.
Bucket two…. clean one room. You give full access to the real product but limit the USES not just the time. This matters a lot. A 14 day trial creates a countdown and pressure. A usage limit creates a habit. "First 10 reports free" beats "free for 14 days" because the person who runs 10 reports has built your product into their workflow. When they hit the wall they're not evaluating anymore…. they're already dependent. Implementation wise this is usually a pricing page change and a counter, not a rebuild. It works best when your SaaS solves a recurring problem.
Bucket three…. hand them step one. If getting the outcome takes 5 steps, give away step one completely free and genuinely good. A founder doing financial planning software could give away the budgeting template that actually works. It's real value. But doing step one manually reveals exactly how much time steps two through five will eat…. and your product does all 5 automatically. The free step sells the automation.
3 rules that decide whether your tool prints leads or collects dust.
Rule 1. It has to be good enough that you COULD charge for it. If your free tool is mediocre they don't think "imagine how good the paid stuff is." They think "this company makes mediocre stuff." The carpet cleaner's free room has to be SPOTLESS. A half cleaned room doesn't sell the house, rather it sells the competitor.
Rule 2. The name matters more than the tool. David Ogilvy said when you've written your headline you've spent 80 cents of your dollar. The SEO founder I mentioned…. his tool flopped for 2 months as "Free SEO Analyzer." We changed nothing except the name. We just changed the name to "Ranking Gap Report" and suddenly the same tool was converting. People don't want an analyzer but they want to know the gap between them and the guy outranking them. Test the name before you build anything. Two fake landing pages and 50 bucks of ads will tell you which tool to build before a single line of code gets written. I make founders do this now. It has killed more bad ideas than any amount of my advice ever did.
Rule 3. Make the next step stupid obvious. The tool runs, shows the result, and right there…. "want us to fix this for you?" One click. Most founders bury the upgrade path or worse, don't have one, because asking feels salesy. The carpet cleaner doesn't clean the free room and leave without a card. The entire point of the free room is the quote for the house.
Do this today. Write down the five problems your customer has to deal with BEFORE your product becomes the obvious answer. Choose the narrowest one you can solve completely with something that takes days to build, not months…. a “show them the dirt” tool is genuinely a 1 to 2 week build for any competent dev, there's no excuse to sit on this for a quarter. Give it a name that says the outcome, not the category. Your customer will like "Churn Leak Finder" more than "Free Analytics Tool" every single time.
Traffic was never your problem. Lots of people walk through your house all day. They just can't see the dirt yet.