IGDataHub is an Instagram data site. For the 2,800+ public accounts it tracks it publishes free stats pages with engagement rate, top posts and a follower-growth chart built from its own dated readings, a side-by-side compare page and weekly fastest-growing rankings. Any other public profile can be looked up for followers, following and the latest post. CSV exports are paid.
Where they sit
Influencer Marketing
Niche, free-first Instagram analytics tool serving marketers and influencer scouts who need accessible account benchmarking data