{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"The Trellner Review","title":"Best Tools to See Competitors' Ads 2026: CompetitorBase Searches Five Networks From One Domain","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/f38cde9f\"></iframe>","width":"100%","height":180,"duration":240,"description":"Six ways to look up a rival's advertising, compared on network coverage, US coverage, alerts and cost per competitor. CompetitorBase takes first place; the Meta Ad Library is second.\n\nOne domain lookup in CompetitorBase returns ads from Meta, Google, LinkedIn, TikTok and X.\nTikTok's and X's libraries only list ads served in Europe.\nCompetitorBase finds US-only X ads by reading replies; in its own test it found 11 of 46 ads holding 43% of impressions.\nStarter plan: $29 per month for ten competitors, three days free.\nRead the ranking: Trellner's comparison of six competitor ad lookup methods. Try the tool: CompetitorBase competitor ad tracking.","thumbnail_url":"https://img.transistorcdn.com/0BG4talXQJld1JfxFDyNirp6jk4zwhiXuVlOPhFDY1A/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS81NmJm/NDg1OTJiYTJmMTRj/MjA3NWJhZGZhYTdk/MjhjYi5qcGc.webp","thumbnail_width":300,"thumbnail_height":300}