Reddit is where a lot of founders go to die. They drop a “Check out my new app!” post in a relevant subreddit, get downvoted into oblivion, catch a ban within the hour, and conclude that Reddit “doesn’t work for marketing.”

Reddit works incredibly well. It just punishes the thing most founders instinctively want to do, which is talk about themselves. Get the approach right and a single genuinely helpful comment can send you more qualified users than a month of ads. Get it wrong and you’re shadowbanned before lunch.

Here’s how to actually do it.

Reddit isn’t a billboard, it’s a bar

The mental model that fixes everything: Reddit is a room full of people having conversations, and you’ve just walked in. Nobody walks into a bar and shouts their product name. You’d get thrown out. Same rules here.

Redditors have finely tuned spam radar because they’ve been marketed at for two decades. They can smell a “value post” that’s secretly an ad from a mile away. The only thing that survives is being an actual member of the community who happens to have built something useful.

That’s not a growth hack. It’s the whole strategy.

The 90/10 rule (and why it protects you)

Reddit’s own guidance on self-promotion is, roughly, that no more than about 10% of your activity should be about your own stuff. The other 90% should be genuine participation: answering questions, commenting on other posts, contributing to discussions you actually care about.

Think of it as a ratio you earn the right to spend. For every mention of your product, you should have nine or so interactions that have nothing to do with it. This isn’t a rule to game. It’s a description of what a real community member looks like versus what a spammer looks like.

Practically:

Before you ever mention your product, spend two or three weeks just being useful in your target subreddits
Build a comment history. Accounts with karma and history get trusted; brand-new accounts posting links get auto-filtered
When you do promote, it should feel like the exception, not the reason you’re there

If your entire account history is “here’s my app,” you’ve already lost. Moderators check. Users check. The 90/10 ratio isn’t bureaucracy, it’s the thing that keeps you from looking like exactly what everyone’s trained to reject.

Read the room before you say a word

Every subreddit has its own rules, and they vary wildly. Some ban all self-promotion outright. Some have a dedicated weekly “show off your project” thread. Some allow it if you’re an active member.

Do this before posting anywhere:

Read the sidebar and the rules. Actually read them. Many bans are just people ignoring a clearly posted “no self-promotion” rule.
Search the subreddit for past posts like yours. See what got upvoted and what got removed.
Look for the megathread. Lots of communities corral promotion into a specific thread. Post there and you’re fine. Post on the main feed and you’re gone.

Two minutes of reading saves you a ban and a burned reputation.

Give value so good it’s uncomfortable

The founders who win on Reddit give away things that feel almost too generous. They write a detailed answer to someone’s problem, share the actual playbook, and only mention their product if it’s genuinely the most relevant answer, often with a disclaimer.

A comment that converts looks like this:

I ran into this exact problem scaling our onboarding. Three things fixed it for us:

We cut the signup form from 9 fields to 3. Completion jumped almost 40%.

We moved email verification to after first value, not before.

We added a one-line “what happens next” so people weren’t guessing.

Full disclosure, I build a tool in this space, but honestly the above will get you most of the way there without any tool. Happy to go deeper on any of these.

Notice the structure. Real, specific, useful advice first. The product mention is a footnote, wrapped in a disclosure, and framed as optional. That comment gets upvoted. The naked “try my app” gets buried.

Be honest about who you are

The single fastest way to get destroyed on Reddit is pretending you’re a neutral user recommending a product that’s secretly yours. People find out. They always find out. Then you’re not just banned, you’re a cautionary screenshot.

Just say it. “I’m the founder, so grain of salt, but here’s how we solved it.” Reddit respects transparency far more than it punishes self-promotion done honestly. The disclosure actually builds trust because it signals you’re not trying to trick anyone.

A realistic Reddit playbook for founders

Pick 3 to 5 subreddits where your actual users hang out. Not the biggest ones, the right ones.
Spend 2 to 3 weeks purely contributing. No links. Build karma and recognition.
Answer questions in your area of expertise generously, whether or not they relate to your product.
When you mention your product, disclose that it’s yours, keep it to relevant threads, and stay under that 10% ceiling.
Never argue with downvotes or moderators. If a post gets removed, take the lesson and move on.

Where repurposing fits (carefully)

Reddit rewards native, thoughtful writing, so this is not a “paste the same promo everywhere” situation. But if you’ve written a genuinely useful long-form answer, the underlying insight often deserves a life on other platforms too, reshaped for each one.

That’s the safe version of repurposing: take the real value you created for a Reddit comment and let a tool like PostyPop turn the core idea into a LinkedIn post or a Twitter thread, each written to fit that platform instead of screaming “copied from Reddit.” The value travels. The spam doesn’t.

Reddit isn’t hard because it’s anti-marketing. It’s hard because it demands you actually be helpful first and promotional a distant second. Do that, and it’s one of the best channels a founder has.

Turn your best Reddit insight into posts for every other platform, free, at postypop.app.