Best Keyword Research Tools in 2026
Updated
36 keyword research tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
36ranked
0free plans on this page
$29/molowest paid tier
9 Oct 2026last checked
Keyword Research Tools, one module each. A lit port is something its maker publishes; 0 of the 11 on this page have a public API.
- 26 ScrapeBox API not on recordOSS not on recordFREE not on recordDOCS 5.3$197/mo
- 27 AnswerThePublic API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 28 ZonGuru API not on recordOSS not on recordFREE not on recordDOCS 5.2$29/mo
- 29 Data Dive API not on recordOSS not on recordFREE not on recordDOCS 5.1$32/mo
- 30 Soovle API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 31 WordStream Free Keyword Tool API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 32 Bulk Keyword Generator API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 33 Keyword Tool Dominator API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 34 Marmalead API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 35 AMZ Tracker API not on recordOSS not on recordFREE not on recordDOCS 4.8
- 36 AmaSuite API not on recordOSS not on recordFREE not on recordDOCS 4.6
Compare all 11 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Keyword difficulty | Search volume data |
|---|---|---|---|---|---|---|---|---|
| 26 | ScrapeBox | 5.3 | No | $197/mo | No | — | No | No |
| 27 | AnswerThePublic | 5.2 | No | — | Yes | — | — | — |
| 28 | ZonGuru | 5.2 | No | $29/mo | No | 29 /mo | — | — |
| 29 | Data Dive | 5.1 | No | $32/mo | No | 32 /mo | — | Yes |
| 30 | Soovle | 5.1 | No | — | Yes | — | No | No |
| 31 | WordStream Free Keyword Tool | 5.1 | No | — | Yes | — | Yes | Yes |
| 32 | Bulk Keyword Generator | 5.0 | No | — | Yes | — | — | — |
| 33 | Keyword Tool Dominator | 5.0 | No | — | Yes | — | Yes | No |
| 34 | Marmalead | 5.0 | No | — | No | 16 /mo | Yes | Yes |
| 35 | AMZ Tracker | 4.8 | No | — | No | 50 /mo | — | — |
| 36 | AmaSuite | 4.6 | No | — | No | — | — | — |
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