

Upstack Data
Stopped· since Jan 10, 2026
- 136
- days it ran
- 0
- relaunches
Ad copy
Most brands lose 30–50% of abandonment revenue because Klaviyo doesn’t recognize returning shoppers. Upstack fixes that by stitching broken sessions across devices—and gets your flows firing again. Perfect White Tee recovered $92K/month in missed revenue. No creative changes. Just better data.
How Perfect White Tee recovered $92K/mo in missed revenue
Unlock shopper identity across sessions and platforms, powering leaner ad spend, sharper Klaviyo flows, and stronger results. Higher ROAS. Higher Email Revenue. Same Visitors.
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