BigSpy

Top Free Tools Curated
#1 Free AdSpy Tool – bigspy.com (The Most famous tool, covering Facebook, Twitter, Google).
Adspy Tool In China – bigbigads.io (Chinese adspy tool, covering Tecent, Baidu, Bytedance).
Free Niche Spy Tool – findniche.com (Covering AliExpress and Shopify).
Landing Page Spy Tool – landingspy.com (Landing page analysis and competitor strategies).