Both products serve developers who want search data without running their own scraping infrastructure, but their center of gravity differs.
SearchApi's appeal
A multi-engine catalog can be useful when the same product genuinely needs several classic and vertical search engines under one credential.
Cloro's appeal
Cloro's product positioning is deeper around Google plus AI-answer surfaces, including structured citation/source data and AI Overview.
Migration test
List every endpoint you actually use today, then mark which outputs your product consumes. If most of the value comes from Google and AI citations, depth may matter more than unused engine count.