SaaS & Software

TinyWow-style single-purpose tools

Build a suite of single-purpose web tools (PDF, image, converters) monetized via ads and premium tiers.

Catalog synthesis

The idea, in plain language

Build a suite of single-purpose web tools (PDF, image, calculators, niche trackers) monetised via ads, affiliate and premium tiers. The batch is the densest fit-relevant cluster of the eight: Sam/Shaan's '13 one-person $1M/year businesses' (TinyWow, Photopea, BuiltWith, Milled, Streamyard, Marketing Examples, etc.), the Vercel $3B founder's V0-style generation pitches (AI game generator, Doom CAPTCHA, AI Typeform), Roman's $25K/month one-page Career Hound job board, Chris Koerner's calculator-site playbook (paycheck, calorie, Omni Calculator, AI token cost calculator), Joao Moura's CrewAI multi-agent PDF-report generator, Sam Thompson's Lovable-vibe-coded task app and his AI cooking app exit, John Rush's three $1M+/year businesses (micro-SaaS marketing tools, startup validation, localised directories), Dharmesh Shah's website-grader / Growth Bot concept, Michael's 'unbelievable simple' $100K/month app, Pat Walls' Pushscroll/Puffcount/5-0 Scanner/Cal.ai and a Ghost-vs-Substack/IKEA Hacking/BabyQuip brainstorm. Startup capital is essentially a domain plus an LLM subscription; the customer is anyone with one tiny job. Quoted revenue is concrete and solo-friendly ($25K/month one-page, $1M/year one-person, $100K/month simple app, $100K/month iOS blueprint).

Where the sources agree

  • Distribution beats features — Roman's $25K/month comes from posting timely content and older-creator partnerships; Koerner's calculators live or die on AdSense traffic; John's $1M+/year thesis is 'localize, distribute, repeat' — every pitch argues the marketing is the product.
  • Boring utility wins over clever UX — TinyWow, Photopea, Pushscroll, Puffcount, BuiltWith, Marketing Examples, the Omni family of calculators — the videos land on narrow tools that solve one tiny pain rather than platforms that solve five pains.
  • AI stack collapses build cost to a weekend — Koerner's AI token cost calculator built in Hostinger Horizons, Omar's Cursor+Claude directories, Sam's Lovable vibe-coded task app, the Vercel V0-style generation pitches — every episode assumes a one-person build.
  • Stack similar sites, not features — John's micro-SaaS/validation/directory portfolio, Koerner's $40M-and-75-businesses compound, Pat Walls' portfolio of single-purpose trackers — operators stack rather than iterate one product to scale.
  • Validation is content-first or no-code — Jack and Nick's Coherence app validated with content before code (Rocket no-code build), the $100K/month iOS blueprint validates on Reddit before building, the 60-second-first-win pattern shows up in every Starter Story and Greg Isenberg pitch.

Where they differ

  • Founder archetype differs — solo indie coder (Pat Walls, John Rush, Chris Koerner, Roman), startup CTO (Dharmesh Shah, the $3B Vercel founder), CrewAI founder (Joao Moura), Lovable vibe coder (Sam Thompson) and a smattering of agency operators — five profiles across one idea shape.
  • Surface differs — single-purpose web utility (TinyWow, calculators), single-purpose iOS app (Pushscroll, Cal.ai), no-code-built web app (Lovable, Hostinger Horizons), Claude Code-generated directory (Omar Choudhry), Micro-SaaS toolset (John Rush's marketing stack) — five surfaces for the same idea.
  • Monetisation differs — AdSense (Koerner's calculators, Omar's directories), premium subscription (Cal.ai at $7-40/month, the iOS blueprint at $49/year anchor), affiliate (Roman's job board with creator partners), freemium SaaS (BuiltWith, Marketing Examples, TinyWow premium), one-off productised sales (Dharmesh's Growth Bot) — five shapes.
  • Channel framing differs — Starter Story = founder revenue story (Roman, Michael's $100K/month), Koerner = local operator playbook (calculator-site tutorial, AI vibe-coding), Greg = internet/AI startup angle (CrewAI walkthrough, John Rush's $1M+ pitches), MFM = big-swing brainstorm (13 one-person million-dollar businesses, $3B Vercel V0 pitches).
  • Time-to-revenue differs — Pontus Abrahamsson's 3-hour-to-$35K/month directory, Koerner's Hostinger-built calculator in minutes, Pat Walls' portfolio of utility apps shipped in a weekend each, Joao Moura's PDF-report generator built live in the episode — all explicitly fast; the $1M/year one-person case studies took years.

What each source says

MFM13 Businesses Making +$1,000,000/Year With 0 Employees

Sam and Shaan's 13 one-person $1M/year businesses sorted by ease-to-recreate and most-fun — Stardew Valley, Streamyard, Plenty of Fish, TinyWow, Photopea, GetCyberLeads, Lenny's newsletter, Marketing Examples, Joe Rogan's media, Gym Streak, Milled, BuiltWith, Only Finder, Van Trump Report.

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MFMThis Opportunity Won’t Exist In 5 Years - $3B Founder

Vercel's $3B founder on dropping out and the new AI startup ideas — V0 for video games, Doom CAPTCHA, AI Typeform, AI camera app, autocomplete tools, granular V0-style generation; rapid AI-tool pitches with no operator depth.

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Starter StoryI make $25K/month from one simple website

Roman built Career Hound, a one-page job board doing ~$25K/month, because the product is boring and the win is distribution — posting timely content, partnering with older creators; a saturated niche still pays if you out-distribute everyone.

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KoernerThe Most Passive Online Side Hustle I've Ever Seen

Chris argues the simplest websites make the most money — paycheck calculators, calorie calculators, Omni Calculator; demos building an AI token cost calculator with Hostinger Horizons, monetising via Google AdSense and email capture.

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IsenbergHow To Create Ai Agents From Scratch (CrewAI, Zapier, Cursor)

Joao Moura (CrewAI CEO) walks through agent building — lead-enrichment agent, multi-agent PDF-report generator that researches, analyses and emails a custom PDF, content-planner / content-creator flow with structured output and model selection.

Watch on YouTube
KoernerYou Don’t Need to Be a Genius! Just Do This.

Sam Thompson demos his Lovable-vibe-coded personal task-management app, 'vibe coder' mindset, sold his AI cooking app and is helping scale it, starting fast and selling what people already ask for, paid PDF shortcuts like dunk-training posters.

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IsenbergI can't believe he shared these $1M+/year startup ideas

John Rush walks through three $1M+/year businesses — micro-SaaS growth/marketing tools, startup-validation-as-a-service, localised directories — plus his directory-validation framework for fast traffic feedback and low failure rates.

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MFMFrameworks to Become a Billionaire with HubSpot Co-Founder Dharmesh Shah | My First Million #197

Dharmesh Shah (HubSpot co-founder/CTO, billionaire) on buying The Hustle, his time-vs-money framework, early HubSpot days, plus a website-grader / Growth Bot concept and a blockchain-LinkedIn idea.

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Starter StoryThis Stupidly Simple App Makes $100K/Month

Michael's 'unbelievable simple' app does $100K/month; episode is mostly about the idea-finding framework rather than the business itself — chapters on Go Tall, health/self-improvement, 'finding the unbelievable idea' and 'let go of your ego'.

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MFMDumb iPhone Apps Are Making People Rich Again (Here’s how)

Pat Walls (Starter Story founder, pre-close) on why simple iPhone apps print money — Pushscroll, Puffcount, 5-0 Scanner, Cal.ai, B2B Video; EOS operating system, busyness-is-for-losers, being your own biggest obstacle.

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MFMWhy You Should Spend 5x Your Budget on an Engagement Ring | My First Million #201

Brainstorm on iOS privacy and advertising, Ghost.org open-source newsletter, IKEA Hacking, the $400M fitness-influencer app, micro-SaaS niche tools, BabyQuip (P2P rental marketplace for parents on vacation), Teachers-Paying-Teachers.

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