Google Ads built in
Sync campaigns, keywords, ads, search terms and calls. 9 built-in checks flag what to fix, and conversion upload closes the loop.
Side by side
Retreaver and CallMatrix
The Retreaver column shows what Retreaver lists on its own website.
Topic
Retreaver
CallMatrix
Google Ads
Sends call and conversion data to Google Analytics and AdWordsSource
Campaign sync, 9 built-in checks and conversion upload
Meta Ads
Triggers Facebook offline conversions or Lead ads with call dataSource
Meta Ads with conversion upload on Growth and Scale
Real-time bidding
RTB routes calls to the highest-bidding buyers in real timeSource
Ping-post auctions with expected-value bidding on Launch, Growth and Scale
Call flows and IVR
Press or Say IVR, where callers can speak their choiceSource
Visual IVR builder with A/B split tests
Getting started
Online sign-up for a free trial, and interactive demosSource
Request access, then build campaigns, IVR and routing for free
The Retreaver column comes from retreaver.com, checked on 13 November 2026. Retreaver and its product names are trademarks of their owner, and CallMatrix isn't affiliated with Retreaver. Spotted a change? Tell us and we'll fix it.
Comparing more than one platform? Read Ringba vs Retreaver vs TrackDrive or Best Pay-Per-Call Software.
The brief
What Teams Look For
Google Ads data in one place
Campaigns, keywords, search terms and calls side by side, so you see which clicks turn into paying calls.
Costs you can plan
Published, prepaid rates, so a busy day never turns into a surprise bill.
Auctions when you're ready
Ping-post auctions come with Launch, which has no monthly fee.
Qualification before the transfer
An IVR asks the questions buyers care about and passes the answers to routing and the auction.
The answer
What Makes CallMatrix Different
Published, prepaid pricing
Rates are on the pricing page. Usage is prepaid, and there is no contract.
Ping-post on Launch
Ping-post auctions with expected-value bidding come with Launch, Growth and Scale. Launch has no monthly fee.
Visual IVR builder
Build multi-level IVR menus without code, with A/B split tests on every plan.
Buyer portal and backup buyer
Buyers see their own calls, and every routing plan can fall back to a backup buyer.
Switching
Switching from Retreaver
Free migration
Send us your current setup. We rebuild your campaigns, buyers and routing for you.
Beat your current bill
Show us your last invoice. If Growth costs more for the same usage, we credit the difference to your account.
FAQ
Frequently Asked Questions
Is CallMatrix a good Retreaver alternative?
It is if you run your own Google Ads and sell calls to buyers. Google Ads sync and conversion upload are built in, and Launch includes ping-post auctions with no monthly fee.
Does CallMatrix publish its pricing?
Yes. Rates are on the pricing page. Building campaigns, IVR and routing is free, and you pay when you go live, from prepaid credit or a monthly plan.
Does CallMatrix run real-time auctions?
Yes. Ping-post auctions run on Launch, Growth and Scale. Buyers bid on each call while the caller is on the line, and the call goes to the winning bid.
Can you move my setup from Retreaver?
Yes. Send us your current setup and we rebuild your campaigns, buyers and routing for you.
Is CallMatrix part of Retreaver?
No. CallMatrix is an independent company and isn't affiliated with Retreaver.