Building in Public: The Complete Guide for App Builders

Building in public means sharing your product journey openly: the wins, the losses, the metrics, and the decisions behind them. It is not a marketing tactic dressed up as transparency. When done well, it creates genuine connection with an audience that becomes your first users, your beta testers, and your biggest advocates.

But most "build in public" attempts fail. They either overshare (nobody cares about your CI/CD pipeline) or undershare (vague "excited about progress!" tweets). Here is how to do it effectively on each platform.

## Why building in public works

The internet is full of polished product launches. What it lacks is honest, in-progress storytelling. When you share your journey, you stand out from the noise because people can follow along and feel invested in your success.

Three things happen when you build in public consistently:

**You attract early adopters.** People who follow your journey from idea to launch feel a sense of ownership. They downloaded the app because they watched you build it. That emotional connection translates to higher retention and more word-of-mouth referrals.

**You get free feedback.** Every post is an opportunity for your audience to tell you what they think. Before you build a feature, post about it. The responses tell you whether people care. This is faster and cheaper than building it and measuring usage.

**You build trust.** Showing your actual metrics (even when they are small) builds credibility. Anyone can claim their app is "growing fast." Sharing "47 users this week, up from 31 last week" is specific and believable.

## Twitter/X: the daily stream

Twitter is the primary platform for building in public. The audience (developers, founders, indie hackers) is receptive, and the format (short, frequent updates) matches the cadence of daily building.

### What to share

**Daily or weekly progress.** "Shipped the onboarding flow today. 4 screens, 3 minutes from install to first value. Screenshot:" This is concrete, visual, and interesting. Compare that to "Making progress!" which says nothing.

**Metrics, even small ones.** "$47 MRR this week. Not life-changing, but proof that strangers will pay." Real numbers build credibility and attract people who are interested in the business side, not just the technology.

**Decisions and reasoning.** "Chose Supabase over Firebase because I want my users to own portable data. Here is the tradeoff:" This is interesting to developers and founders. It starts conversations. It positions you as someone who thinks carefully about choices.

**Mistakes and lessons.** "Spent 3 days building a feature nobody asked for. Ripped it out. Lesson: talk to users before coding." Vulnerability is magnetic on Twitter. People relate to mistakes more than they relate to success.

### What not to share

Avoid generic motivational posts ("Never give up!"). Avoid complaining about platforms or tools. Avoid sharing every single commit or bug fix. The filter should be: would someone who is not me find this interesting?

## Reddit: the deep dive

Reddit rewards depth and genuine contribution. Self-promotional posts get downvoted into oblivion. Helpful, detailed posts get thousands of upvotes and lasting traffic.

### Where to post

- **r/SideProject** for sharing projects and getting feedback - **r/indiehackers** for business-focused updates - **r/reactnative** or **r/FlutterDev** for technical deep-dives - Niche subreddits related to your app category (r/productivity, r/fitness, r/personalfinance, etc.)

### What works on Reddit

**Show HN-style posts.** "I built X because Y. Here is how it works, what I learned, and what I would do differently." Include screenshots, a link, and an honest assessment. Reddit loves technical detail.

**Tutorial-style content.** "How I set up subscriptions in my React Native app using RevenueCat." Share your actual implementation, not a generic tutorial. Specificity makes it valuable and hard to replicate.

**Monthly updates with real data.** "Month 3: 120 users, $89 MRR, 23% Day-30 retention. Here is what I changed." These posts consistently perform well because they are educational and specific.

### What fails on Reddit

Direct promotion ("Check out my app!") without context or value. Asking for upvotes or engagement. Posting the same content across multiple subreddits simultaneously (crossposting is fine, but posting identical text feels spammy).

## Indie Hackers: the community

Indie Hackers is built for this. The platform was designed for founders sharing their journey. The audience is smaller than Twitter or Reddit, but more targeted and more engaged.

### What to share

**Milestone posts.** "Hit $1K MRR." "First 100 users." "Launched on the App Store." These get attention and generate discussion about how you got there.

**Detailed retrospectives.** "What I learned building my first app in 30 days." Long-form content performs well here. 1,000-2,000 word posts with specific lessons, metrics, and screenshots.

**Questions for the community.** "Should I add a free tier or go paid-only? Here is my thinking:" The Indie Hackers community is generous with advice, and the responses are often worth more than formal user research.

## Content strategy: the weekly rhythm

You do not need to post every day. Consistency matters more than frequency. Here is a sustainable weekly cadence:

**Monday:** Tweet about your plan for the week. What features are you building? What experiments are you running?

**Wednesday:** Share a work-in-progress screenshot or a decision you made. Keep it visual when possible.

**Friday:** Post your weekly metrics (users, revenue, retention, any key numbers). Include one lesson learned.

**Bi-weekly:** Write a longer post for Reddit or Indie Hackers. Pick one topic from the week and go deep.

This takes about 30 minutes per day. It is not a full-time marketing job. It is a habit that compounds over months.

## Common mistakes

**Starting too late.** Do not wait until launch to start sharing. The journey from idea to product is more interesting than the launch itself. Start sharing during validation.

**Being too polished.** Building in public is not content marketing. Rough screenshots, honest numbers, and casual language perform better than polished graphics and careful copy.

**Stopping after launch.** The journey does not end at launch. The post-launch grind (fixing bugs, iterating on feedback, growing revenue) is where the most valuable stories live.

**Comparing yourself to others.** Someone else will always have more users, more revenue, or a faster timeline. Your story is your story. Share it honestly and the right audience will find you.

## Getting started today

Pick one platform. Post one thing about what you are building. Include a screenshot or a specific number. That is it. You do not need a strategy or a content calendar for day one. You just need to start.

Building in public is a long game. The compounding effect of consistent sharing takes months to materialize. But the founders who stick with it consistently report that it is the single best marketing channel for indie products.

Start building, start sharing, and let your [journey from idea to app](/how-it-works) become the story that attracts your first users. And if you need a validated idea to start with, browse our [Ideas Library](/ideas) for opportunities backed by real market signals.