The Honest Answer
Both have value, but at different stages. A trading course teaches you how to think about markets, manage risk, and read charts. A scanner gives you ongoing coverage across thousands of stocks so you don't miss setups. If you don't know what a setup looks like, a scanner is useless. If you know what to look for but can't manually scan 9,000 stocks, a course won't help. The smart move is education first, then tools.
The uncomfortable truth: most traders buy both too early. They spend $2,000 on a course before they've paper-traded a single week, then $50/month on a scanner before they understand what the outputs mean. The sequence matters more than the spend.