seodata.dev

keyword

best free vocabulary app

Monthly search volume and cost-per-click data for "best free vocabulary app" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=best+free+vocabulary+app&country=us" +--------------+------------------+ | volume | 320 | | cpc | $3.16 | | competition | 0.27 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
vocabulary apps 4,400 $3.09 20/20
vocabulary app 3,600 $2.78 16/20
vocabulary building app 2,900 $2.91 20/20
vocabulary builder app 2,900 $2.91 18/20
vocabulary improvement apps 1,000 $1.96 18/20
best vocabulary apps free 320 $3.16 17/20
best free vocabulary apps 320 $2.47 15/20
best vocabulary app free 320 $3.16 15/20
vocabulary expanding apps 260 $3.28 15/20
best vocabulary apps for adults 40 $3.34 17/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=best+free+vocabulary+app&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt