Bring customers back to buy again.
The best AI Retention tools for GTM teams, in our editorial order, are Tranthor, Klaviyo and Attentive, out of 9 we have reviewed. Retention tools help you bring customers back to buy again. Email, SMS, returns and on-site personalization that turn first orders into repeat revenue.
Best AI Retention tools compares the tools in this category. Job, pricing model and verdict come from each listing.
Alternatives pages: Klaviyo, Customer.io and Attentive.
#01tranthor.com
Autonomous ecommerce CRM that finds repeat-purchase moments in Shopify data, drafts email and SMS, and sends within approved limits.
Verdict
Built for the DTC owner who is also running ads and inventory. Start on approval mode and only let it auto-send once the drafts sound like you.
#02klaviyo.com
B2C CRM for email and SMS marketing, built on ecommerce data, with AI agents.
Verdict
The incumbent for ecommerce brands running email and SMS off store data. Most DTC brands fit, so before you add another tool, check which core flows you haven't built here yet. Start with abandoned cart and post-purchase.
#03attentive.com
AI-powered SMS and email marketing platform for consumer brands.
Verdict
For consumer brands where SMS is a major revenue channel. It's quote-only, so it fits brands with enough subscriber volume to negotiate terms. Ask how pricing scales with subscribers and message volume before you renew.
#04rebuyengine.com
Shopify personalization for upsells and cross-sells.
Verdict
Incumbent. Post-purchase upsell is the easiest margin in DTC.
#05loopreturns.com
Returns and exchanges platform focused on retention.
Verdict
Turn refunds into exchanges. Small change, real money.
#06ortto.com
Customer data, marketing automation and analytics in one platform.
Verdict
A good alternative when you want journeys and data together.
#07listmonk.app
Self-hosted newsletter and mailing list manager with campaigns, templates and an API.
Verdict
Newsletter sending for the cost of a server. Pair it with a real SMTP provider and watch deliverability.
#08mautic.org
Open source marketing automation with email, segments, lead scoring and landing pages.
Verdict
The open source HubSpot marketing hub. Needs someone to own the server, then it costs almost nothing.
#09customer.io
Sends automated email, push, SMS and in-app messages based on user behavior and product data.
Verdict
For product-led companies that want lifecycle messages triggered by what users do in the product. It fits when engineering can send clean events, since every campaign keys off that data. Agree on event names and properties before you build the first campaign.
3 of 3 labeled paid spots open in Retention. Advertise