How to Get Your First 100 Users: What 90 Bootstrapped Founders Actually Did

The exact channels, cadence, and first moves 90 bootstrapped app founders used to reach their first 100 users — base rates and real numbers, not theory.

12 min read
21 / 90
founders grew primarily on short-form video

Ask 90 bootstrapped founders how they got users and you get one answer far more often than any other: distribution beats product. Not "build it and they will come" — the opposite. The apps in this casebook, dissected from Starter Story's interviews, were rarely the best-built thing in their category. They were the best-distributed.

Push School's founders put it flatly: "The biggest mistake most founders make is they build first and then they try to market later." (video) Money Ai's Flo learned it the hard way: "The only thing wrong with your app is that nobody was seeing it." (video)

So this is not a listicle of 50 channels. It's the small number of moves that actually produced first users across 90 real launches — and, more usefully, a way to pick which one is yours.

One honest caveat up front: every founder here succeeded. This is a winners-only sample. You're seeing what worked for people it worked for — not the failure rate of the same tactics. Treat these as well-evidenced bets, not guarantees.

The channels, by base rate

Here's what actually drove growth across the 90, counting only each founder's single most dominant channel:

Primary channelFounders (of 90)Best fit
X / build-in-public15Founder-audience products, indie tools
Short-form organic (TikTok/IG/Shorts)14Consumer mobile, niche passion audiences
SEO / Google10B2B tools buyers already search for
Influencer deals8Consumer apps with a visual "aha"
Paid ads7After a message already converts
Reddit7Dev tools, obsessive hobby niches
App Store ASO6Mobile utilities with search demand
YouTube4SaaS, high-consideration purchases
Dev communities (HN/GitHub/Discord)4Developer-facing products
Partnerships / marketplaces4Products living inside a bigger platform

Two things jump out. First, short-form is the single most common primary channel for consumer mobile apps — the channel playbooks count roughly 21 of 90 running it as a primary channel once you include founder-face and UGC. Second, there is no universal answer. The channel that got a guitar-app founder his first hundred users would have wasted a restaurant-SaaS founder's time entirely.

Pick your channel with two questions

Skip the channel buffet. Answer two questions and your channel picks itself.

Question 1: Where does your buyer already gather?

Not where you'd like them to be — where they are, today, without you.

  • Consumer, mobile, niche passion (fitness, faith, hobbies, beauty, habits) → short-form video. See the TikTok playbook.
  • B2B, dev tools, buyers who search for a solution → SEO and communities. Late reached $40K MRR in 7 months on Google SEO with zero social media (video): "We are capturing the intent that already exists rather than trying to create it."
  • Founders, indie hackers, marketers (people who live on X and Reddit) → build-in-public and community storytelling. See Reddit marketing for SaaS.
  • Buyers inside a platform (Shopify, Airtable, WordPress) → be early on that marketplace. Data Fetcher got a "steady stream of super qualified leads" from the Airtable Marketplace and its first customer within days (video).

Question 2: What asset do you already have?

A face you'll put on camera? A niche you have credibility in? A free tool you can build? Your first channel should exploit an asset you already own, not one you'd have to build from scratch.

The founders who ignored channel-market fit paid for it. Bank Statement Converter's Angus Cheng tried building a social following and concluded: "Building a following on social media is hard work and even if you have it, your business might still not be very good." (video) He won on organic search instead, because that's where people looking to convert PDF statements actually were.

Three real paths to the first 100

Path A — Consumer mobile: post volume until a format wins

If your app has a visual "aha" in under five seconds and sells to a young, mobile-first, passion-driven audience, your first 100 users come from short-form video. The mechanic is brutally simple and the founders are unanimous about it: post a lot, find one format that works, then remake it relentlessly.

Prayer Lock's Mal Baron posted 40 videos a day across 12 accounts until a hook landed, then: "Just copy the working formats in your niche and start posting at least 20 times a day." (video) Puff Count reached 50 million organic views on the principle "volume negates luck" (video). Tone Adapt's Ken found a winning video and remade it "50 times with tiny variations" on the way to $25K/mo (video).

Natural Write$100K in 90 days

You don't need millions of views to get your first 100 paying users. Cut Coach built to $20K/mo on small niche videos: "You don't need to get millions of views… if you can get 5 to 10% conversion ratio on views." (video)

Monday-morning version: open TikTok, find the videos already going viral in your exact niche, document their hooks in a spreadsheet, and post one-per-day minimum recreating them. Don't invent a format. Natural Write's whole growth engine was "skip inventing your own TikTok format and just replicate what's already going viral" — $100K in 90 days (video).

Path B — B2B / dev tools: give value in the community first

If your buyers are developers, marketers, or founders, they live in communities — and they hate being sold to. The strongest single pattern in the whole community dataset is value first, product second.

Elephas ran problem→solution demo videos across subreddits, one per day, and went $0 to $3K MRR in six months on Reddit (video): "Reddit is essentially a gold mine of high intent niche audiences… they hate being sold to, but they appreciate if you can explain the logic." Goji Berry AI told stories on Reddit (including "I got rejected from YC" with proof screenshots), warmed accounts for 7–14 days first, and pulled 11 million impressions and its first 100 customers (video).

The most hands-on version came from Super Demo's Joseph, who got his first 100 customers by manually building free demos for people posting on Reddit and Indie Hackers and dropping them in the comments (video). Sam at Algrow joined niche Discords, "muted my mic and literally just share my screen" solving members' problems — first 400 users (video).

For dev tools specifically, remove the sign-up wall and ship to Hacker News. Chartbrew front-paged a Show HN after three weeks of building and got "thousands of users in a day" — the key was no sign-up wall (video).

Monday-morning version: pick ONE community where your ICP already lives. Warm up your account for 1–2 weeks giving pure value with zero links. Then post proof-driven stories or demos 2–3x/week and reply to every comment.

Path C — Build in public: pull users from your own journey

If you're building for an audience that lives on X, the product and the audience can grow together. Chatbase launched to 16 followers and hit $1M ARR in 117 days after its first tweet went viral (video). Papermark "started as a tweet" that hit 40K views in hours; the MVP followed that weekend (video). Shipper hit 20K MRR within 1–2 weeks once build-in-public took off (video).

The recurring lesson: people follow people. SuperX's Rob found a personal selfie-and-journey post added $1,000 MRR in 24 hours versus 26 signups from a standard launch post (video). Magai's Dustin: "People want to see the journey, even if it's not Instagram polished." (video)

Build-in-public has a ceiling, though — usually around $10K MRR — after which founders layer on SEO or paid to scale (Tibo, Shipper, Elephas all followed this sequence). It's a superb first-100 engine, not a forever engine.

Ask the advisorI have no audience and a B2B invoicing tool — where do I get my first 100 users?

Validate the channel before you build the product

The best first-100 founders didn't wait for a finished app to test distribution. They tested the channel first.

Push School posted a fake product demo (AI-faked footage) to TikTok: 80K views, 500+ comments begging for the app before a single line of code — and the eventual launch video drove 20–30K downloads in week one (video). Follow Buddy had a method video hit 1 million views before the app existed (video). Coherence's Jack Sweeney: "Content before product is the future" — he posted breathwork content, watched what converted, and "basically reverse-engineered the content into the app" (video).

This is the highest-leverage move in the whole playbook. If your content can't get attention, your product won't either — and you'd rather learn that in a week of posting than a quarter of building. More on this in validating your app idea.

What NOT to do for your first 100

  • Don't launch on the wrong platform. Savewise (consumer credit-card fintech) bounced 95%+ on Product Hunt and Hacker News — tech early-adopters weren't its ICP. It won in consumer Facebook groups and subreddits (video). Product Hunt is a kickstart, never the engine: 8 of 90 used it, none as a durable primary channel.
  • Don't spread thin. Late's Mickey: "Pick your single best lever for growth, get obsessed with it, and measure it relentlessly." (video)
  • Don't lead with "download my app." Rootd's Ania grew to 4M downloads partly by "not leading with, hey, this is my app, go download it, but actually answering something, like a question online that your app answers." (video)
  • Don't buy ads before you have a converting message. Paid amplifies whatever you point it at. Point it at a message you already know works.

Your first-100 checklist

  1. Answer the two questions: where does your buyer gather, and what asset do you already own?
  2. Pick exactly one channel. Ignore the rest for now.
  3. If consumer mobile → copy winning short-form formats, post daily minimum, remake the winner.
  4. If B2B / dev / founder-facing → give value in one community for two weeks before you plug anything.
  5. Validate the channel with content before finishing the product.
  6. Only layer on paid or SEO once your first channel is repeatable.

The founders in this casebook weren't more talented than you. As Cut Coach's Ethan admitted about his earlier apps: "The reason my other apps didn't make any money was just because I didn't market them." (video) Same builder, same skills — the only variable was distribution. Pick your one channel and go.

Want the specific playbook for your situation? Browse the full casebook or ask the advisor which of the 90 founders match your product.

Frequently asked questions

What's the single best channel to get your first 100 users?

There isn't one — it depends on your audience. Across these 90 founders, consumer mobile apps won on short-form video (about 21 of 90 ran it as a primary channel), while B2B and dev tools won in communities (24 of 90 used Reddit) and on search. The reliable move is to pick the one place your specific buyers already gather and go deep, not wide.

How long does it take to get your first 100 users?

It varies wildly. Goji Berry AI hit its first 100 customers off Reddit storytelling; Super Demo got its first 100 by hand-building free demos for people posting on Reddit and Indie Hackers. Push School had 500+ comments begging for the app before it existed. Community and short-form paths can produce users in days to weeks; SEO is slower — Bank Statement Converter made 'basically no money' for two years before organic search compounded.

Do I need an audience before I launch?

No — most of these founders started from zero. But several validated demand with content first. Push School posted a fake product demo that pulled 80K views and 500+ comments before writing code; Coherence posted breathwork content, then 'reverse-engineered' the app from what converted. If you have no audience, borrow someone else's: post where your buyers already are.

Should I use paid ads to get my first users?

Rarely first. Only 7 of 90 founders ran paid ads as their primary channel, and most turned ads on only after they'd found a message that converted organically. Puff Count ran ads at a $20–24 CAC against a $55–70 LTV — but only after 50 million organic views taught it what worked. Find your winning message free, then pour money on it.

What if my product is B2B and my buyers aren't on TikTok?

Then don't use TikTok. Zero B2B founders in this dataset grew primarily on short-form. B2B and dev-tool founders won in communities (Reddit, Hacker News, X build-in-public), on search (Late hit $40K MRR on Google SEO alone), and through direct outreach. Match the channel to where your buyer already is.

Ask the advisorWhat does the casebook say about "How to Get Your First 100 Users: What 90 Bootstrapped Founders Actually Did" for my specific product?

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