Build a segment once. Push it everywhere you advertise.
Stop exporting CSVs and re-uploading them every Monday. Segments built in By the Numbers stay live and refreshed every hour across Klaviyo, Meta, Google Ads, and TikTok.
60-second install · 14 days free · No card, no auto-charge
Build once. Push everywhere. No CSVs, no Zapier.
The workflow the CSV era can't match
Every store runs the same loop: identify a valuable audience, export it, upload it to the ad platform, and watch it rot. The customers who should have left the audience keep seeing ads; the ones who just qualified never enter it. By Friday the audience is history, not targeting.
Segment sync replaces the loop with a subscription: define the audience once in AI segmentation, connect the destination, and membership updates hourly from live store data. The audience you target is always the audience you meant.
What operators sync first
Win-back flows that fire at the right moment
Sync the at-risk cells of the RFM matrix to a Klaviyo flow. When a customer cools off they enter automatically; when they buy again they leave before the discount sends.
Lookalikes seeded from real value
Feed Meta and TikTok a seed of top-LTV customers instead of all purchasers, so the algorithm clones your best buyers rather than your bargain hunters.
Exclusions that stop wasted spend
Push recent purchasers and discount-only shoppers to Google and Meta as exclusion lists - the cheapest ROAS improvement most stores ever make.
Analytics that end in an audience
Most analytics stops at insight; the segment is where insight becomes revenue. The RFM loyalty matrix shows you who is slipping, sync turns that cell into tomorrow's win-back audience, and the platform integrations keep every channel working from the same definition of your best customer.
Segment sync questions, answered
How do I sync Shopify segments to Klaviyo?
Build the segment in By the Numbers from 75+ filters across orders, products, lifetime value, and channels, then connect Klaviyo and pick the segment. It appears as a live list that refreshes hourly - customers flow in and out as their behavior changes, with no exports.
Which platforms does segment sync support?
Native connectors for Klaviyo, Meta (Facebook and Instagram audiences), Google Ads, and TikTok. One segment can sync to several platforms at once, so your email list and your retargeting audiences stay identical.
How is this better than exporting CSVs from Shopify?
A CSV is accurate for about a day. Synced segments refresh every hour, so an at-risk customer who comes back is removed from the win-back audience before you pay to re-acquire them, and a new VIP joins the lookalike seed the same day they qualify.
What kinds of segments can I build?
Anything the filters can express: RFM cells like at-risk big spenders, buyers of a specific product who never repurchased, high-LTV customers from a given channel, discount-only shoppers to exclude from prospecting, and so on. Every cell of the RFM matrix is one click from a synced audience.
Your best audience already exists. Sync it.
Install free, let the backfill finish overnight, and push your first live segment to Klaviyo or Meta tomorrow.
60-second install · 14 days free · No card, no auto-charge