The best free keyword tools in this article are great options. You may need to upgrade to a paid tool or the paid version of a freemium tool when:
You always go over the search limit of your freemium tool.
You need access to more keyword metrics that will inform your strategy and are only available in paid tools.
Your SEO and content strategies need more data, which are available in all-in-one paid solutions.
The freemium tools on this list are excellent choices as your keyword strategy evolves. For one, our app SEO.com has a free version and a 10-day free trial.
When you upgrade to a paid plan, you can track up to five of your competitors and get access to valuable metrics like estimated search traffic and keyword CPC.