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Best subreddits for SaaS founders: 20 communities to grow, get feedback, and promote carefully
Communities are slow, but they compound if you show up the right way
If you’re trying to grow a SaaS without burning cash on ads, Reddit can be a real channel — but only if you treat it like communities, not distribution. The win is not ‘drop link → traffic’. The win is: learn the language, become a recognizable contributor, and share only when it is genuinely useful.
Below is a curated list of 20 subreddits where SaaS founders can hang out, get feedback, find early users, and (carefully) share launches. The list is sorted by weekly visitors so you can prioritize.
Quick answer
If you only join a few subreddits as a SaaS founder, start with r/SaaS, r/SideProject, r/startups, r/buildinpublic, and r/microsaas. Use them for learning, feedback, and soft distribution, not for drive-by promotion.
| Subreddit | Best use | Promotion tolerance |
|---|---|---|
| r/SaaS | Founder discussions and product feedback | Low unless genuinely relevant |
| r/SideProject | Launches and progress updates | Medium if framed as build-in-public |
| r/startups | Broader startup questions and GTM learning | Low |
| r/buildinpublic | Transparent lessons and iteration updates | Medium |
| r/microsaas | Indie and small SaaS-specific learnings | Medium |
Before you post: 5 rules that keep you from getting banned
- Read the subreddit rules and pinned posts first (seriously).
- Don’t lead with a link. Lead with context and a real question.
- Share outcomes and numbers, not hype (people reward honesty).
- Answer other people’s posts before you self-post.
- If you do share a link: make it optional (‘If useful, link is…’) and be ready to answer comments fast.
Top 20 subreddits for SaaS founders (sorted by weekly visitors)
| Subreddit | Weekly visitors |
|---|---|
| https://www.reddit.com/r/Entrepreneur/ | 449,000 |
| https://www.reddit.com/r/SideProject/ | 371,000 |
| https://www.reddit.com/r/SaaS/ | 329,000 |
| https://www.reddit.com/r/startups/ | 126,000 |
| https://www.reddit.com/r/buildinpublic/ | 68,000 |
| https://www.reddit.com/r/Entrepreneurs/ | 60,000 |
| https://www.reddit.com/r/ycombinator/ | 57,000 |
| https://www.reddit.com/r/EntrepreneurRideAlong/ | 56,000 |
| https://www.reddit.com/r/microsaas/ | 53,000 |
| https://www.reddit.com/r/Startup_Ideas/ | 44,000 |
| https://www.reddit.com/r/micro_saas/ | 33,000 |
| https://www.reddit.com/r/startup/ | 19,000 |
| https://www.reddit.com/r/indiehackers/ | 19,000 |
| https://www.reddit.com/r/StartupAccelerators/ | 17,000 |
| https://www.reddit.com/r/indiebiz/ | 14,000 |
| https://www.reddit.com/r/roastmystartup/ | 9,900 |
| https://www.reddit.com/r/Entrepreneurship/ | 6,500 |
| https://www.reddit.com/r/growmybusiness/ | 5,800 |
| https://www.reddit.com/r/advancedentrepreneur/ | 5,000 |
| https://www.reddit.com/r/SaaSMarketing/ | 4,200 |
A simple posting plan (so it turns into growth)
- Week 1: lurk + comment (10 helpful comments; no links).
- Week 2: one value post (template/checklist/results) + answer every comment.
- Week 3: one feedback post (roast my landing page / positioning) and actually implement 1–2 suggestions.
- Week 4: a quiet CTA (only if the thread is clearly asking for a tool).
TinyAffiliate CTA (keep it clean)
If your SaaS is ready to test partners/affiliates, don’t turn it into spreadsheet ops. TinyAffiliate is Stripe-first affiliate software built for SaaS: simple tracking, onboarding, and payout-ready exports. Start here: https://www.tinyaffiliate.com/pricing
FAQ
What are the best subreddits for SaaS founders?
The most useful starting set is usually r/SaaS, r/SideProject, r/startups, r/buildinpublic, and r/microsaas. The right mix depends on whether you need feedback, audience research, or cautious distribution.
Can you promote your SaaS on Reddit?
Yes, but only carefully. Most subreddits punish obvious self-promotion. The safer pattern is: contribute first, share lessons or numbers, and only drop a link when the thread clearly benefits from it.
Which subreddit is best for startup feedback?
For direct product or landing-page feedback, r/SaaS, r/SideProject, r/buildinpublic, and some niche startup communities tend to work better than giant generic subreddits where context gets lost.
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