keyword

free book apps

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

$ curl "https://app.seodata.dev/v1/search-volume?q=free-book-apps&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $9.5 | | competition | 0.49 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
app book free	6,600	$2.25	20/20
apps for free books	6,600	$2.25	20/20
free books app	5,400	$7.86	20/20
reading apps free	5,400	$2.36	20/20
book app free	5,400	$5.78	19/20
free books apps	4,400	$9.5	20/20
app for reading books free	2,900	$2.75	20/20
book reading apps free	2,400	$4.24	20/20
books reading app free	2,400	$4.11	20/20
free apps for reading books	2,400	$4.24	20/20

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/search-volume?q=free-book-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