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Google Keyword Planner alternatives · Keyword Research

Alternatives to Google Keyword Planner with a one-time purchase

The Google Keyword Planner listing shows no one-time purchase. 4 of the 51 other keyword research tools in this directory can be bought with a one-time purchase.

Google Keyword Planner is free to use. 1 of them is free or has a free plan.

4 tools · Listings checked up to Oct 23, 2026 · Where the facts come from

How each one differs from Google Keyword Planner

  1. Keyword Chef

    Credit-based long-tail keyword finder for bloggers and niche sites

    • Keyword Chef starts at $29 per month for 5,000 credits, or $20 once for 1,200 credits. Google Keyword Planner is free.
    • Google Keyword Planner has a free plan. Keyword Chef does not, though it has a free trial.
    • Keyword Chef can be bought with a one-time purchase.
    Keyword Chef pricing and details

  2. Keyword Tool Dominator

    Live autocomplete keywords from Amazon, Google, YouTube and five more

    • Keyword Tool Dominator starts at $9 for 30 days, paid once. Google Keyword Planner is free.
    • Only Keyword Tool Dominator lists a browser extension.
    • Keyword Tool Dominator can be bought with a one-time purchase.
    • Keyword Tool Dominator also covers amazon selling and youTube SEO.
    Keyword Tool Dominator pricing and details

  3. Publisher Rocket

    Amazon keyword, category and ad research for book authors

    • Publisher Rocket starts at $199 one-time, for lifetime access. Google Keyword Planner is free.
    • Google Keyword Planner has a free plan. Publisher Rocket does not.
    • Only Publisher Rocket lists macOS and Windows apps.
    • Only Google Keyword Planner lists a web app.
    Publisher Rocket pricing and details

  4. KDSPY

    Browser extension for Amazon book category and keyword research

    • KDSPY starts at $79 one-time, plus tax where it applies. Google Keyword Planner is free.
    • Google Keyword Planner has a free plan. KDSPY does not.
    • Only KDSPY lists a browser extension.
    • Only Google Keyword Planner lists a web app.
    KDSPY pricing and details

Common questions

Is there an alternative to Google Keyword Planner that you buy once?

Yes. Keyword Chef, Keyword Tool Dominator, Publisher Rocket and KDSPY can be bought with a one-time purchase.

Can you buy Google Keyword Planner once instead of subscribing?

The Google Keyword Planner listing shows no one-time purchase. The listing was checked on Oct 23, 2026 against the pages it cites.

Which of these keyword research tools are free?

Keyword Tool Dominator is free or has a free plan.

When was this checked?

Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Google Keyword Planner: the alternatives its listing names first, then the tools that share the most features with it.