Building in public sounds like a growth strategy. You share your journey. People follow along. The audience grows as you build.
That is not what happens for most build-in-public accounts. Most of them share their journey with the same 200 people every week and call it marketing.
Build-in-public content, milestone posts, MRR updates, product screenshots, lesson threads, is almost entirely consumed by your existing audience. The people who already follow you see it. If they engage, it might spread slightly. Most of the time it stays within your current following and reinforces the relationship you already have with people who already know you exist.
That is not worthless. But it is not audience growth. It is audience retention. The people who are not following you cannot see your build-in-public content until something else brings them to your profile.
The accounts that combine build-in-public with real growth understand this distinction. Build-in-public posts are your conversion layer. They are what people read when they arrive at your profile and want to know who you are and whether to follow. They convert visitors into followers effectively because they are specific, credible, and demonstrate that you are building something real.
But they do not generate visitors. Replies generate visitors. Every reply you place in a relevant thread puts your name in front of someone who does not follow you. If that reply is interesting, they click your profile. If your profile shows them a build-in-public thread that resonates, they follow. The two content types serve completely different functions in the same funnel.
Most build-in-public founders get the ratio backwards. They put significant effort into crafting milestone posts, MRR updates, and lesson threads. They spend far less time in replies. The result is a polished profile that almost nobody visits, because the mechanism that generates visits is being neglected.
The replies that generate visits have to land in the right place. A reply in a peaked thread reaches almost no new people. For founders with limited time, a poorly placed reply is an especially costly mistake, you spent the time and got nothing in return. One well-placed reply in a thread that is still expanding produces more new profile visits than ten replies in threads that have already closed.
The build-in-public strategy that actually works has two distinct parts. Keep creating build-in-public content, it is the reason people follow once they arrive. Add a focused reply practice that places you in front of new audiences daily, targeting posts still inside their engagement window.
ReplyHunter shows you which posts are worth entering before you write, so the 15 minutes a day you spend in replies actually generates the profile traffic that your build-in-public content is waiting to convert.
Stop building in a closed room. Start hunting.
ReplyHunter puts your replies in front of people who have never heard of your product, every single day.
Get Early Access (Free)Frequently Asked Questions
Does building in public on X actually grow your audience?
Build-in-public content retains and converts your existing audience but rarely grows it on its own. The posts primarily reach people who already follow you. Without a separate mechanism for reaching new audiences, specifically, replies in threads where potential followers are already present, build-in-public stays within a closed loop of existing followers. The content is highly effective for converting profile visitors into followers; it is not effective at generating those visitors in the first place.
What is the right balance between posting and replying for build-in-public founders?
Most founders spend too much time on posts and not enough on replies. A reasonable starting point is spending 80 percent of your X time on targeted replies and 20 percent on build-in-public posts. The posts exist to convert visitors; the replies exist to generate them. Once you have consistent reply traffic bringing people to your profile, you need quality build-in-public content for them to land on. Both matter, but replies are the input and posts are the conversion.
What makes build-in-public content effective on X?
Specificity. Numbers, decisions, tradeoffs, mistakes with outcomes, and real metrics outperform general lessons and vague milestone posts. Specific content is credible in ways that generic advice is not. When someone clicks your profile after seeing a reply you wrote in a relevant thread, they are evaluating whether you are worth following. Specific, honest build-in-public content answers that question fast. General inspirational content does not.
How do you use replies to grow a build-in-public account?
Treat replies as discovery and build-in-public content as conversion. Every targeted reply you place in a thread that is still in its expansion window reaches new people who may not know you or your product. The ones who find your reply interesting will visit your profile. Your build-in-public content is what they see there. The sequence is: reply generates visit, profile generates follow, build-in-public content generates ongoing engagement.
Should you reply about your product directly on X?
Occasionally, when directly relevant and genuinely useful to the thread. But most replies should be about the topic at hand, not your product. The goal of the reply is to demonstrate expertise or perspective that makes someone want to learn more about you. Replies that are transparently promotional generate low engagement and low follow-through. Replies that are genuinely useful attract profile clicks, and your build-in-public content then does the product introduction work naturally.