Best for e-commerce retargeting. It offers a free-to-install plan with a pay-as-you-go model and daily minimums as low as $5.

While high-end enterprise software often requires five-figure monthly minimums, several high-quality options allow you to plan, execute, and track media buys for free or at very low cost. 1. Best Free Platforms for Execution

The 10 Best Marketing Tools for Small Businesses in 2025 - Jimdo

In 2026, "free" media buying software generally falls into two categories: (for planning and automation) and self-serve platforms with no entry fees (where you only pay for the ad spend itself).