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Top 10 Subreddits Where SaaS Founders Actually Find Paying Customers


 

Finding your audience is hard.
Finding your audience who’s ready to buy? Even harder.

Most SaaS founders throw posts into r/startups or r/SaaS and pray for upvotes. But here’s the truth:

🚫 Not all subreddits are created equal when it comes to lead generation.

Some are just idea echo chambers. Others? Hidden goldmines of warm leads, buyer intent, and real conversations.

So I analyzed data from over 300+ posts and conversations using Subreddit Signals and compiled this:

The top 10 subreddits where SaaS founders are actually finding paying customers in 2025.

💡 What Makes a Subreddit Worth Posting In?

Before we dive in, here’s what I looked for:

  • Posts that led to email signups, site visits, or conversions

  • Comment sections full of pain points and real problems

  • Subreddits that allow soft mentions of your product when it fits the convo

These are not just high-traffic subs—they’re intent-rich.

🔟 r/EntrepreneurRideAlong

Keyword: SaaS founder building in public
Perfect for: Sharing progress updates, asking for feedback, and casually showcasing your tool.

🔥 What works:

“I just launched a SaaS to help founders get better Reddit visibility—here’s what I learned after 48 hours.”

9️⃣ r/InternetIsBeautiful

Keyword: new SaaS tools for solving niche problems
Perfect for: Launching something quirky, creative, or visually interesting.

🔥 What works:

“I built a tool that shows if ChatGPT ever mentions your site. Try it here—no signup.”

⚠️ Must be very cool and useful to get traction here.

8️⃣ r/SaaS

Keyword: SaaS growth strategies and product launches
Perfect for: B2B SaaS founders looking to swap tactics and gain visibility.

🔥 What works:

“Got my first 100 users through Reddit. AMA if you're bootstrapping.”

7️⃣ r/SideProject

Keyword: early MVP feedback and solo founder stories
Perfect for: Lightweight tools, especially if you’re pre-revenue.

🔥 What works:

“Weekend project: A bot that scrapes Reddit for your niche and gives you posts worth replying to.”

6️⃣ r/smallbusiness

Keyword: tools for non-tech founders
Perfect for: No-code tools, CRMs, email automation, etc.

🔥 What works:

“Made a simple tool that helps you track customer leads from Reddit. Happy to share it free.”

5️⃣ r/Marketing

Keyword: Reddit growth tactics and SEO
Perfect for: Tools that help with content, analytics, SEO, lead gen, etc.

🔥 What works:

“SEO is shifting—has anyone else noticed ChatGPT replacing Google for some queries? I made a tool to track that.”

4️⃣ r/Entrepreneur

Keyword: business growth, tools, and sales struggles
Perfect for: Founders selling to other founders, or solving known bottlenecks.

🔥 What works:

“Most founders don’t know if AI even sees their brand. I made something to check that.”

3️⃣ r/IndieHackers

Keyword: solo SaaS success stories and idea validation
Perfect for: Transparency posts, “how I built this,” and revenue breakdowns.

🔥 What works:

“$0 to $800 MRR from Reddit in 90 days. Here’s exactly how I did it.”

2️⃣ r/Productivity

Keyword: tools that save time or automate
Perfect for: SaaS that simplifies workflows or improves focus.

🔥 What works:

“I built a tool that auto-finds Reddit threads worth replying to for lead gen. I save 2+ hrs a day.”

1️⃣ r/Frugal

Keyword: cost-saving tools with data-backed value
Perfect for: Freemium SaaS, discount platforms, price analysis tools.

🔥 What works:

“I made a Chrome extension that converts product prices into hours worked—helps you think twice before impulse buying.”

🧠 How to Actually Get Engagement (Without Getting Banned)

No matter where you post, follow this basic formula:

Pain ➝ Context ➝ Story ➝ Offer to Help

❌ Not this:

“Check out my new tool: example.com”

✅ Try this:

“I built this because I kept spending hours looking for threads with real lead potential. Happy to share what worked or DM a demo.”

Final Thoughts

Reddit isn’t about spamming links. It’s about finding the right moments in the right places and offering genuine value.

If you’re thoughtful and strategic, these 10 subreddits can become your most consistent source of qualified leads.

Want to skip the guesswork?
Try Subreddit Signals — it tracks your target subreddits and shows you which posts are worth replying to, with AI-crafted comments that sound actually human.

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