seodata.dev

keyword

free vocabulary apps

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

$ curl "https://app.seodata.dev/v1/keyword?q=free+vocabulary+apps&country=us" +--------------+------------------+ | volume | 590 | | cpc | $1.78 | | competition | 0.29 | | 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 18/20
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 720 $4.37 14/20
best vocabulary app free 320 $3.16 14/20
application for learning vocabulary 260 $5.03 14/20
vocabulary app free 110 $2.19 15/20
vocabulary apps free 110 $2.19 15/20

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=free+vocabulary+apps&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