How to Build an App with Claude Code · Part 5 of 6All parts
- The seriesI Built an iPhone App in 5 Weeks of Evenings. I Don't Know How to Code.
- Part 1The AI Built the App I Actually Pictured. The Trick Was One Plain-English File.
- Part 2Turn One AI Chat Into a Tireless Build Team
- Part 3I Built a Hard App Feature Without Code. I Just Described It.
- Part 4My App Went Live Four Days After I Hit Submit. Apple Rejected It Twice in Between.
- Part 5I Built a Zero-Budget Marketing Machine for My App: 820+ Hooks, 122 Videos, One RuleYou are here
- Part 6What It Really Takes to Build an App With AI. I Kept Score.
Key takeaways
- Building the app was the easy half. Eighteen-plus years of marketing (650K customers, 550M+ emails) taught the real lesson: distribution is the actual game.
- The one rule the whole machine runs on: the game is the excuse, the memories are the product. Sell the feeling and let the app arrive as the payoff.
- A hook-scorer skill grades every opening line from 0 to 100 before anything gets rendered: 820+ hooks across 61 files, judged tirelessly and for free.
- Three formats run in parallel: lookalike slideshows for volume, buried-product storytime as the breakthrough, and talking-head personas with four voices.
- Give the AI one rule it can never break: keep every recurring character consistent, because a single continuity slip (grandma alive, grandma not) destroys trust.
- No download numbers, no viral flex: the machine is real, the results chapter is still being written, and that honesty is the whole point.
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Questions people ask
How do you promote an app with no marketing budget?
Build a repeatable content engine instead of buying ads. Pick one or two organic channels (I chose TikTok and Instagram short-form), lead with story-first video instead of feature demos, and use AI to produce real volume. I built a hook scorer, ran three formats in parallel, and rendered 122 slideshow videos solo, with zero ad spend.
What should you post to get app downloads instead of just views?
Story-first content, not feature tours. Nobody downloads “a photo guessing game,” but everybody feels something seeing a forgotten photo of their kid. Lead with that emotion and let the app arrive late, as the payoff. Feature videos die. Story videos convert, because the game is the excuse and the memories are the real product.
Why do app marketing videos get views but no installs?
Usually because the video sells the app instead of the feeling. A slick feature demo can rack up views while giving nobody a reason to care. The fix is a reframe: make the viewer feel the outcome first (nostalgia, a laugh, a little gut-punch), then position the app as the way to get that feeling again. Views are attention. Installs need desire.
Do you need a big following to market an app organically?
No. I built the whole machine before any following existed. Short-form platforms surface content based on how it performs with strangers, not on your follower count, so a brand-new account can still land a video. The real lever isn't audience size. It's how reliably you can make something that stops a stranger mid-scroll.
Can AI really run a whole marketing operation for one person?
It can run the production line. I aimed each tool at one job (Remotion renders the videos, Higgsfield makes the AI clips, fal.ai generates the images, Suno writes the music, ElevenLabs adds short sound effects) and scheduling posts everything automatically. What AI won't do is decide what's worth saying, or care whether it lands. That judgment stays yours.
How do you keep AI-generated characters consistent across videos?
Keep them consistent, or you lose the viewer. Run the same personas across videos and they drift: one says grandma passed away, the next has her baking cookies, and trust collapses instantly. The fix is a rule the AI is never allowed to break: every recurring character keeps the same backstory and details, every time. Describe that rule once, up front, and it holds the line.
Written by Ronnie Nijmeh
Ronnie spent 18 years building a SaaS with a team of 20 that served over 650,000 customers, generated over $14M in sales, and sent over 550M emails. Now he's solo, solving real business bottlenecks and turning them into working AI skills, workflows, and automations. He teaches all of it, with direct access to him, inside the Solo Creators AI Studio Skool community. See what he's built →
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Case study · Part 6 of 6
What It Really Takes to Build an App With AI. I Kept Score.
The invoice for the whole build: what was hard, what AI can't do, and what you actually need.
Case study · The full series
I Built an iPhone App in 5 Weeks of Evenings. I Don't Know How to Code.
How I shipped a real App Store app in five weeks of evenings, writing zero code.
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