Marketing Attribution

Call tracking software is a must-have for sales and marketing teams that want to know which campaigns, keywords, and channels drive phone call conversions. This buyer’s guide evaluates the five leading call tracking platforms for 2026, including FreJun, CallRail, CTM, Invoca, and WhatConverts, across eight weighted criteria: CRM integration depth, AI analytics accuracy, pricing transparency, implementation support, compliance readiness, contract flexibility, ROI timeline, and vendor stability. Whether you are a marketing manager tying ad spend to call outcomes or a RevOps leader building attribution models for your sales team, this guide gives you the vendor scorecards, pricing benchmarks, contract red flags, and a step-by-step shortlisting framework to make a confident purchase decision in 2026.