What is a idx?

Internet Data Exchange; a system that allows real estate professionals to display the most up-to-date MLS property listings on their own websites.

Who uses one?

Real estate agents and brokerages managing leads and listings

What does it cost?

Pricing varies. The cheapest provider in our Top 11 starts around $57/mo. See the cheapest providers ranked.

How do I pick one?

Read the full methodology for our 9.4-point scoring framework, then look at the canonical The 11 Best Real Estate CRMs (2026). If you want a slice of the ranking by price, fit, or compliance, jump to: cheapest · highest-rated · fastest onboarding.

Source: Top 11 The 11 Best Real Estate CRMs (2026), verified May 31, 2026.