Both sell access to something ongoing, and both are bought by people with an audience. The question underneath is whether the product is the material or the room.
Courses or community
Podia is a storefront for courses, downloads, coaching and event tickets, with its own checkout, sales tax handled across a long list of countries, and a site builder producing ordinary pages and posts rather than only product listings. The course is the product and the community, if any, is a feature.
Skool inverts that. The room is the product — discussion, membership, people returning because other people are there — and courses sit inside it as a reason to join. Skool scores 5 for ease where Podia scores 3, largely because there is far less to build.
What each costs and constrains
Podia has no unpaid plan; it offers a month's trial that takes no card, after which one of three paid tiers applies, and the cheapest is a real monthly commitment before the first sale. Its built-in email caps the list each plan will hold, starting at a hundred subscribers with more sold as an add-on. And while it sells a coaching product and takes the payment, the calendar is not its own: you embed an outside scheduler, and Podia cannot tell whether a slot is already taken.
Skool is cheaper and simpler, and publishes on no domain of your own, so the community lives at their address permanently.
Which should you choose?
Choose Podia if the material is the thing being bought, you want the checkout, the tax handling and a real site around it, and you can carry a monthly cost while the audience is still small.
Pick Skool if people are paying to be somewhere rather than to receive something — accepting a simpler product at a permanent address you do not own.

Podia
Wraps courses, memberships and a real website into one expensive plan.

Skool
Community with a course tab, flat-priced, with nothing metered at all.
Specs
Ratings
Ease for a beginner
Design and templates
Room to grow
Help when you are stuck
Value for money
Features
Pricing
Podia
Skool