TL;DR: Of the 1,000+ Skool communities in the KoolReviews directory, 693 are completely free. The biggest ones have hundreds of thousands of members and get more daily activity than most paid groups I've been in.
One of the biggest misconceptions about Skool is that the best communities are behind a paywall.
That's not true.
Some of the most active, valuable communities on the entire platform charge nothing. Creators use free communities to build an audience before launching paid offers, which means you often get their best thinking at no cost. The free tier is what they use to prove themselves.
Here's what I look for before joining a free community, and a list of the best ones across every category.
What makes a free Skool community worth your time
Active moderation. Ghost-moderated communities go quiet fast. Check when the last post was made before you request to join. A free community with no active moderation is just an inbox for spam.
Member count. Communities under 500 members can feel empty. I use that as a rough baseline for free communities since the barrier to join is zero. There's no excuse for low member counts in an established free group.
Structured content. Is there an actual classroom section with lessons or resources, or just a chat feed? A feed with no structure is usually a placeholder, not a real community.
Creator accountability. The best free communities are run by creators with active audiences elsewhere: YouTube channels, podcasts, newsletters. They have external accountability to keep the community alive.
Tech and AI
This is where the platform's biggest free communities live. Three of the five largest free communities on Skool are in the Tech category.
AI Automation Agency Hub is the largest free community on Skool with 294,700 members. Created by Liam Ottley, it's built around helping people start AI automation agencies. Join on Skool: skool.com/learn-ai.
AI Automation Society has 259,700 members and focuses on no-code AI automations. It's a working group for people building AI systems, not just discussing them. Join on Skool: skool.com/ai-automation-society.
The AI Advantage was founded by Tony Robbins, Dean Graziosi, and Igor Pogany. With 74,100 members, it's aimed at simplifying AI for business owners rather than developers. Different audience than the pure tech communities above. Join on Skool: skool.com/the-ai-advantage.
CyberCircle has 84,600 members and focuses on cybersecurity. One of the few genuinely large free communities in tech that isn't AI-focused. Browse the Tech category for more.
Browse all Tech communities →
Money and Business
The Money category is the largest on Skool with 380+ communities. Free communities here tend to be the most competitive because there's more at stake for creators. If the free tier is good, people convert to paid programs.
Digital Wealth Academy 3.0 has 134,800 members and focuses on monetizing online with digital marketing. One of the largest free Money communities on the platform. Join on Skool: skool.com/the-digital-wealth-academy-1240.
Online Business Friends has 86,800 members. The focus is building a one-person business with AI. Join on Skool: skool.com/obf.
The Trading Cafe has 80,500 members and is the sister school to The Trading Academy. Free trading education. One of the larger finance-focused free communities on Skool. Join on Skool: skool.com/thetradingcafe.
The Virtual Bookkeeping Series has 77,000 members and teaches bookkeeping basics, how to start a bookkeeping business, and how to find clients who pay monthly. Niche, but massive for what it is. Join on Skool: skool.com/virtualbookkeepingseries.
Davie's Free Ecom Course has 71,800 members. Weekly video releases on e-commerce. A good example of a creator using a free community to distribute ongoing content. Join on Skool: skool.com/davies-free-ecom-course.
Wholesaling Real Estate has 66,300 members and teaches real estate wholesaling with no money, credit, or experience required. High member count for a niche with a real barrier to entry in the physical world. Join on Skool: skool.com/wholesaling.
Browse all 380+ Money communities.
Health and Fitness
Mobility & Injury Prevention is the largest Health community on Skool with 175,400 members. The focus is eliminating muscle tightness, joint pain, and recurring injuries without constant stretching or physio visits. That's an unusually high member count for a health niche. Join on Skool: skool.com/movesmethod.
The Menopause Lab has 54,100 members. It focuses on helping women going through menopause find real answers after being dismissed by the medical system. A strong example of a niche community built around a specific, underserved audience. Join on Skool: skool.com/the-menopause-lab.
Browse all Health communities.
Self-Improvement
Day by Day Wellness Club has 61,000 members. Broad positioning, but the member count signals real traction. Join on Skool: skool.com/day-by-day-family-4722.
The Aspinall Way has 27,800 members and was created by a UFC champion. A less common niche: performance and mindset from an elite athlete's perspective. Join on Skool: skool.com/theaspinallway.
Browse all Self-improvement communities.
Sports
THP Jump Training has 79,600 members and focuses on helping athletes jump higher. Includes a jump training course and vertical jump programming. For a sports niche, 79,600 members is exceptional for a free community. Join on Skool: skool.com/thp.
Browse all Sports communities.
Hobbies
Top Chess Community has 19,300 members. It's built around sharing games, watching chess livestreams, and the social side of the game rather than pure instruction. Join on Skool: skool.com/top-chess-gang-7947.
Browse all Hobbies communities.
Spirituality
High Vibe Tribe has 79,800 members and focuses on raising your vibration, healing, and creating personal freedom. The largest free Spirituality community on Skool by a significant margin. Join on Skool: skool.com/highvibetribe.
Browse all Spirituality communities.
Music
Unison Producer Growth Hub has 43,000 members. The focus is on learning, connecting, and producing professional-quality music. Join on Skool: skool.com/unison-producer-growth-hub.
Browse all Music communities.
Free vs. paid: what actually matters
Free doesn't always mean worse. Paid doesn't always mean better.
Some of the best communities I've been in charge $20 to $50 per month and deliver more value than free alternatives with ten times the members. Others charge hundreds per month and feel hollow.
One rule I follow: if a free community has almost no visible activity and the creator isn't posting regularly, they've probably moved on. Check their social media or YouTube channel to confirm they're still active in the niche before you request to join.
Member count is a useful starting signal but not a guarantee. A community with 100,000 members and a dormant creator is worth less than one with 5,000 members and an engaged one.
That's the whole reason I built KoolReviews: so you can read what real members say before you join. Use the community directory to filter by category, read reviews, and compare your options.
If you're already in a free Skool community, write a review. It takes about five minutes and helps the next person make a better decision.
Originally published in the KoolReviews weekly newsletter. For more like this, subscribe here.