How to market your app: a step-by-step plan for solo founders
Short answer: to market your app, pick one specific buyer and one problem, find the places where those buyers already describe that problem, show up there every week with something useful, and measure who actually uses the app. Run one channel at a time for two weeks, keep what produced active users and drop what did not. Repeat.
This guide is for solo founders and vibe coders with a working product (a SaaS, an AI app, a mobile or web app) and no marketing team. Everything here works without a budget. Examples are illustrative, not customer results.
Why most app marketing fails
Most founders ship, post a launch announcement in three places, get a few dozen visits and conclude that marketing does not work. The real problem is usually one of three things:
- The audience is too broad. “Freelancers” is not an audience. “Freelance designers who send receipts to an accountant every month” is.
- The message describes features, not pain. People do not search for “AI-powered expense categorization.” They search for “how do I organize receipts for my accountant.”
- There is no loop. One launch post is an event. Marketing is a weekly habit of doing, measuring and adjusting.
Step 1: Pick one buyer and one problem
Write one sentence: “[Specific person] struggles with [specific problem] when [specific situation].” If you cannot name five real people who fit, the sentence is too vague. Talk to them, or read what they write in public, and copy their exact words into a note. Those words become your headlines, your replies and your search keywords.
Step 2: Write a promise people understand in five seconds
Your landing page, app store listing and every post should repeat the same promise: the outcome, for whom, and the proof. Example: “Turn a folder of receipt photos into an accountant-ready export in two minutes.” Record a 30-second screen recording of that exact task. A real demo beats any adjective.
Step 3: Find where your buyers already talk
Search for the problem, not your category. Look in subreddits and forums for your niche, replies under popular posts on X, Threads or LinkedIn, YouTube comments on tutorials, Discord and Slack communities, and the questions people ask in search. Save the links. Each one is a place you can be useful.
Step 4: Choose one channel for the next two weeks
| Channel | Cost | How fast you learn | Best when |
|---|---|---|---|
| Replies in communities (Reddit, X, forums) | Time only | Days | People already ask for what you built. See how to promote your app on Reddit. |
| Posts built on your buyers’ pain | Time only | Days to weeks | You can describe the problem better than your buyers can. |
| Founder-led content | Time only | Weeks | You are willing to share the build in public. See founder-led content. |
| Small creators and influencers | Free access or a small fee | Weeks | A creator’s audience matches your buyer. See how to find influencers. |
| Search (SEO) and app store optimization | Time only | Months | People search for the problem by name. |
| Paid ads | Money | Days | You already know which message converts and what a user is worth. |
Pick one. Doing all six badly teaches you nothing. Doing one well for two weeks tells you whether it can work for your app.
Step 5: Run a weekly loop
- Plan (Monday, 30 minutes): choose this week’s three moves, for example ten helpful replies, two posts and five creator messages.
- Execute (daily, 30–60 minutes): do the work. Consistency matters more than volume.
- Measure (Friday, 20 minutes): record what went out and what came back.
- Improve: keep the message or place that produced users, change one thing, and run again.
Step 6: Measure users, not likes
Tag every link with a source so you know where visits come from, then count visits, signups and activated users (people who completed the first useful task) separately. Fifty likes and zero activations is a failed experiment. Three activations from five replies is a channel worth doubling down on. A free first-user experiment tracker gives you the columns.
How to market an app before launch
Start the loop while you build. Share progress where your buyers read, collect a list of people who say “I want this,” and ask five of them to test the unfinished app. On launch day you message that list first, then post publicly with real early feedback instead of an empty announcement.
How to market an app for free
Every channel above except paid ads costs only time. The cheapest high-signal combination for a solo founder is helpful replies plus founder-led posts: replies put you in front of people with the problem today, and posts build the trust that makes those people click.
Where AI and Crany fit
AI is good at the parts that eat your evenings: finding relevant conversations, drafting replies and posts in your voice, preparing creator outreach and summarizing results. See how to market your app using AI for a copyable brief, and AI marketing agents for what AI can and cannot run on its own.
Crany.ai is an AI marketing co-founder in development by Tangenix. It is being built to run this whole loop for you: strategize, execute the marketing with your approval, and improve based on results while you keep building. It is not publicly available yet. Join the free waitlist for early access.
Questions founders ask
How do I market my app with no money?
Spend time instead of money. Reply to people who already describe the problem your app solves, post what you are building where your buyers read, and pitch small creators with free access instead of a fee. Run one of these for two weeks, count visits, signups and real use separately, then keep the one that produced users.
When should I start marketing my app?
Before launch. Start talking to the people you are building for while the app is still unfinished: collect their words, share progress and build a short list of people who asked to try it. Launch day then has an audience instead of silence.
What is the best marketing channel for a new app?
The one where your specific buyers already ask for help, and that you can sustain every week. For most solo founders that is replying in communities or founder-led posts first, because both cost nothing and show results within days. Paid ads work better after you know which message converts.
How long does it take to get the first 100 users?
There is no reliable number. It depends on the product, the audience and how much focused work goes in each week. Treat each two-week channel experiment as a test, and judge progress by activated users, not by visits or followers.
Can AI market my app for me?
AI can research your audience, write replies, posts and outreach, and summarize what worked. You still need to approve what goes out under your name and follow each platform's rules. Crany.ai, an AI marketing co-founder in development by Tangenix, is being built to run that loop: strategize, execute with your approval and improve from results.
Related guides
- How to get your first app users: find a reachable audience, show a working task and use a free experiment tracker.
- How to promote your app on Reddit: find threads that ask for what you built and reply without getting banned.
- Founder-led content for app founders: turn your day into a video script to shoot and a post that pulls replies.
- How to find influencers to promote your app: find creators your buyers trust, qualify them and send a pitch they answer.
- How to market your app using AI: an execution brief, a seven-day action plan and a result review.