Founder Playbook · Starter Story
8 tactics from Lewis
I Shipped My App in 12 Hours and Now It Makes $15K/Month
Watch the full episode“I decided one day to just build a bunch of tiny tools on my own personal website... I built four or five tools that week... Audio Pen's MVP was one of those five tools that I built. It got a lot more love than I expected...”
Ship Four To Five Tiny Tools In A Week And Double Down On The One That Pops
After 15 failed projects, Lewis stopped picking ideas in advance. He shipped four to five tiny tools to his personal site in a single week and tracked which one got disproportionate love on Twitter. Audio Pen popped, so he committed only after the signal showed up — picking the winner instead of guessing it.
“Prior to the 12 hours I went to Pinterest, I got inspiration, I figured out what I wanted the app to look like... design today differentiates a product and it takes way longer than you expect so figure out exactly what you want the thing to look like.”
Lock The Figma Design Before The Build Clock Starts So The 12 Hours Are Pure Execution
Lewis treated design as pre-work, not part of the build window. He pulled Pinterest references and locked the Figma before noon, so the 12-hour timer was pure execution on Bubble. His advice if starting over: never let AI just generate UI — design intentionally, because that's the real differentiator.
“By the end of the hackathon, maybe about 10 hours in, I launched a wait list for people so they could sign up in advance before the tool was ready... I started getting a bunch of Stripe notifications from the early beta testers... I had just asked them to test the product.”
Open A Waitlist Two Hours Before Launch So Stripe Fires Before The Product Is Ready
Two hours before the 12-hour deadline, Lewis flipped a waitlist live to people who'd been watching him build in public. Beta testers had free access but voluntarily paid through Stripe — hitting his 'idea to revenue before midnight' goal. The launch was just opening the door to an audience he'd already warmed up.
“I had a certain level of credibility on Twitter because I had been out there building in public for a few months or maybe a few years at that point. I also think I managed to build enough hype prior to this product before I even built the product.”
Stack Years Of Build-In-Public Credibility So Launch Day Converts Without Pitching
Lewis credits sustained months and years of Twitter build-in-public as the reason his 12-hour MVP got paying customers immediately. The audience was already conditioned to trust him, so launch day was a conversion event, not a cold pitch. Audience capital compounds even when no specific product exists yet.
“I currently sell the paid version at $99 a year or $159 for 2 years both are non-recurring subscriptions that users have full control over and can choose to renew at the end of their term.”
Sell Non-Recurring Annual Plans At $99 Or $159 To Build Trust Without Crushing Revenue
Lewis prices Audio Pen at $99/year or $159 for 2 years, both as non-recurring subscriptions. Users opt back in at renewal rather than getting auto-charged — a trust signal that costs some auto-renewal revenue but earns goodwill, lower refund rates, and word-of-mouth from a niche audience that values control.
“Free users just get a taste of the product, they have a shorter amount of time that they can record for. Premium users get a whole lot more, they have everything from writing styles to longer recordings to integrations with other apps.”
Cap The Free Tier At The Exact Moment Recording Becomes Useful Enough To Pay For
The free tier intentionally limits recording length so users hit the wall at the exact moment the product becomes useful. Paid unlocks longer recordings, writing styles, and integrations — turning activation friction into the paywall trigger and avoiding the dead-weight 'forever free' bucket.
“I've been very very tempted to expand into adjacent markets just because apps there were doing very well, but I've consciously stuck to doing the simple stuff well. I think that slow consistency is what has worked for me.”
Resist Adjacent-Market Expansion Because Pointy Features Beat Feature Parity
With $15K MRR and a 200K-user base, Lewis watched competitors stack features and stayed pointy. Audio Pen does voice-to-clean-text and nothing else — that focus is the moat against bigger tools trying to do everything. Slow consistency on one job is what kept users renewing.
“I use Bubble — before my web app costs about $130 a month. Xano for the back end and logic costs about $260. DraftBit costs about $300 a year. Loops, which is my email platform, costs about $800 a month. And Plausible Analytics is surprisingly cheap at $19 a month.”
Run A $15K-Per-Month B2C SaaS On Roughly $1,500 Of No-Code Tools And Zero Engineers
Lewis runs a $15K/month B2C SaaS as a solo part-time builder using no-code: Bubble + Xano + DraftBit, plus Loops for email and Plausible for analytics. His entire fixed tooling stack is roughly $1,200-1,500/month — cashflow-positive from day one with zero payroll and zero infrastructure overhead.