Research depth
Discovery
How well the tool supports keyword, competitor, SERP, backlink, or market research before execution.
Copywritely
Moderate content-oriented research depth.
The SERP checker accepts up to three keywords, supports several engines/languages, and analyzes selected competitor pages for common words, bigrams and trigrams. https://copywritely.com/serp-checker/
Google Search Console
Strong first-party query, link, indexing, and page data for a verified property, without broad market or competitor research.
Search Console reports search queries, clicks, impressions, position, indexing, enhancements, links, and URL inspection for owned sites. https://search.google.com/search-console/about