If you want the best value, start with Systeme.io — it's the only platform here with a genuinely free plan that includes courses, email, and funnels, and it charges 0% transaction fees. For a more powerful all-in-one business, Kajabi is the strongest (and priciest) option, while Thinkific offers the cleanest pure course-building experience with no platform fees.
Below we compare every platform on entry price, transaction fees, and who each one actually suits — then you can drag the calculator to your student count to see what you'd really pay as you grow.
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Our top pick: Systeme.io
Best overall fit for a typical courses buyer. Here's why — and when something else wins.
★ Top pick
Sy
Systeme.io
Genuinely free all-in-one — funnels, email, and courses in a single tool.
Free planRecurring
Why it fits: If you want the best value, start with Systeme.
FromFree
Score4.6
Txn fee0%
+Genuinely usable free plan, not just a trial
+Replaces funnel, email, course, and affiliate tools in one
–Course player and templates are basic vs. dedicated LMS tools
Bootstrappers and beginners on a budgetFunnel-driven solo creators
Score is our composite of independent user ratings, value, and feature breadth —
how we score. Prices are entry-tier estimates; verify current pricing on each site.
What you'll actually pay as you grow
Cost changes as your active students grow — drag to your size to compare.
Estimate by active students
Set your size and monthly sales — we fold each platform's transaction fees into the true monthly cost, cheapest first.
Exact:
Exact $/mo:
The rest, ranked & reviewed
2GC
Google Classroom
Free classroom-management tool for teachers — not built to sell courses.
Free plan
FromFree
Score4.4
Txn feeN/A — no built-in selling or payments
+Completely free and simple to set up
+Seamless Google Workspace integration
–No way to sell courses or collect payments
K-12 and higher-ed teachersFree internal or community training
We email when pricing changes or a better option appears. One useful email, no spam.
Frequently asked questions
What's the cheapest way to sell an online course?
Systeme.io's free plan lets you host one course and collect payments at 0% platform fees — the cheapest real option. Gumroad also has no monthly fee but takes 10% + $0.50 per sale, which costs more once you're selling regularly.
Kajabi vs Teachable vs Thinkific — which is best?
Kajabi is the most powerful all-in-one but the most expensive. Thinkific gives the best pure course experience with 0% fees. Teachable is the cheapest to start but charges a 7.5% fee on its Starter plan. See our Kajabi vs Thinkific and Teachable vs Kajabi breakdowns.
Do course platforms take a cut of my sales?
Some do. Thinkific, Kajabi, and Systeme.io charge 0% platform fees (you still pay Stripe/PayPal processing). Teachable's Starter plan takes 7.5%, Podia's Mover plan 5%, and Gumroad 10% + $0.50 per sale. The fee often matters more than the monthly price.
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