Tie vs. Wunderkind · A peer switch story
Negative Underwear tested Tie against Wunderkind.
They switched.
Wunderkind guarantees revenue by running your email program and counting those sends as ROI. Tie is additive: it scores who is about to buy (Predict), lands the message in the Primary inbox (Priority), on the Tie ID foundation, and proves the lift with a holdout your team controls. Your Klaviyo flows stay yours.
$4M+
Incremental annual run rate at Caraway, measured against a control group
8,000
Active shoppers Tie Predict surfaced from a 200K list Negative had written off
$100k+
Monthly incremental revenue from inbox placement at Ridge
Wunderkind runs your program. Tie makes yours worth more.
Wunderkind and Tie are not the same kind of tool. Wunderkind is an autonomous marketing platform that takes the program off your plate: it runs the sends, decides the messages, and guarantees a revenue number. Tie is integrated into the program you already run: it identifies more of your traffic, scores intent, and places the message, then hands it back to your team inside Klaviyo. The question isn't which is better. It's which model you want.
Two brands ran the comparison. Then they switched.
This is not a spec sheet. In Tie's own customer story, the Growth and Ecommerce lead at Caraway and a leader from Negative Underwear explain why they chose Tie over Wunderkind, from A/B testing Tie against the field to a QBR process where, in their words, the vendor actually listens and ships what brands ask for.
Caraway · A/B tested, then switched
Live before BFCM. $100K+ every month.
Caraway had been burned by other identity vendors, so they A/B tested Tie against the field and set up a control group to measure real lift. Tie went live in under a month, identified 60%+ of anonymous traffic, and turned a trial into a long-term partnership.
$100K+
incremental revenue per month
+42%
email list growth in 6 months
Source · Caraway · Sr. Director, Growth & Ecommerce
Negative Underwear · Left after undelivered promises
8,000 buyers hiding in a "dead" list.
Negative Underwear left Wunderkind after repeated undelivered feature promises. With Tie, they scored a 200,000-person list they had written off and surfaced 8,000 shoppers actively browsing, hidden because Klaviyo could not recognize them across devices.
8,000
active shoppers surfaced from a 200K list
4%
of a "dead" list was alive and shopping
Source · Negative Underwear · Chief Digital Officer
A guaranteed number, or a number you can prove.
Wunderkind's headline is over $5 billion in "attributable client revenue," and a revenue guarantee. Both are real. Both are also attribution on the sends Wunderkind runs and measures, creating a black box where they define success. That's different from transparent incrementality, and proving revenue that you wouldn't have otherwise earned.
Your flows stay yours. And you can see the impact.
Because Tie feeds your existing Klaviyo program instead of replacing it, the identity, the score, and the placement are all yours to inspect, not a black box. It recognizes the returning shoppers your stack loses across devices, and it does it without touching your deliverability.
Additive to Klaviyo · Tie ID
$520K your ESP could not see.
Beekman 1802 did not need a new program, they just needed better visibility. Tie surfaced 100K+ returning shoppers Klaviyo was treating as strangers and routed them back into existing flows, recovering $500K+ in 3 months while deliverability held steady.
$520K
recovered in 3 months
80
Klaviyo deliverability score, held
Source · Beekman 1802 case study
Identification · absolute, published
The rate on your traffic, not the network's.
Wunderkind quotes network scale, 9 billion devices, but not an absolute identification rate on your actual anonymous traffic. Tie publishes the number that matters: up to 70% of your site traffic and 90%+ of returning shoppers. In a live head-to-head, Tie identified 2-5x more emails than the competitors on the same site.
2-5×
more emails, identical traffic
~46%
onsite ID rate, head-to-head
Source · Jordan Craig head-to-head case study
Wunderkind runs your program. Tie makes yours worth more.
The difference between a managed platform and an additive layer. Scoped to the revenue-from-identity job both tools touch.
Wunderkind is a serious, 15-year platform, and it has some built-in features Tie does not: on-site personalization, ad-audience tooling, conversion APIs, run for you.
If a full managed stack is what you want one vendor to own, they deserve a real look. But if you want to keep your Klaviyo program and know your real incremental lift, Tie is the option for you.
Own your program. Know your real lift.
Wunderkind will run your email program and hand you an attribution report. Tie makes the program you already run worth more: it scores who's ready, lands messages in primary inboxes, recognizes the shoppers your stack misses, and proves the lift.
$100K+
incremental per month at Caraway, measured against a control group
2–5×
more emails on identical traffic, in a live head-to-head
$520K
recovered in 3 months from shoppers Klaviyo could not see
Shopper Intelligence and Artificial Marketing Intelligence™ for ecommerce brands.
Klaviyo Preferred Tech Partner