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pLTV Driven Customer Acquisition
Client case study: The client's name is withheld under NDA. Some engagements were delivered through agency partners on a white-label basis; details are available under NDA.

Subscription Commerce Brand Lifts ROAS 44% and Cuts 60-Day Churn 31% with AdZeta's ValueBid™

A multi-category snack and pantry subscription brand selling curated monthly boxes alongside à la carte refills replaced first-box bidding with predicted Month-6 retention value using AdZeta's ValueBid™. The result: a 44% ROAS lift, a 31% reduction in 60-day churn, and a 2.1x increase in the share of new subscribers active at the Month-6 milestone.

Subscription Commerce Brand Lifts ROAS 44% and Cuts 60-Day Churn 31% with AdZeta's ValueBid™
PROJECT HIGHLIGHTS
01

Client Profile: Multi-Category Snack and Pantry Subscription Brand

A growth-stage subscription commerce brand selling curated monthly snack and pantry boxes alongside an à la carte refill catalog. AOV ranges from $39 (single-box trial) to $135 (premium-tier monthly + add-ons). Subscriber LTV is heavily skewed toward customers who reach Month 6, the brand's primary retention milestone.

02

The Challenge: 60-Day Churn Was Eating the Acquisition Funnel

Roughly 42% of new subscribers churned before their second full delivery. Of the 58% who continued, fewer than half reached Month 6. The auction had no visibility into either churn cliff. Google and Meta were optimizing toward first-box conversion, and the bidder was systematically pulling in trial-driven, discount-led conversions that never reached subscription profitability.

03

Previous Marketing Strategy & Limitations

Campaigns ran on Google Performance Max with tROAS configured against AOV, and Meta Advantage+ Shopping with first-event optimization. The team had built sophisticated lifecycle email flows in Klaviyo and an offline retention model in their warehouse. The retention model never flowed back into Google or Meta. The bidder was making allocation decisions on first-box value, not Month-6 retention probability.

04

The AdZeta Solution: Month-6 Retention Value via ValueBid™

AdZeta deployed ValueBid™ to predict each new subscriber's Month-6 value from the brand's non-PII first-party data. Predictions flowed into Google via OCI and Meta via CAPI as the conversion value the bidder optimized against.

05

Strategic Implementation & Execution

Integration ran from Recharge, Shopify, Klaviyo, and the brand's data warehouse into the AdZeta pipeline in Week 1. Model training and validation completed in Week 2. ValueBid™ went live in Week 3 with a paired control on 50% of media spend for six weeks. Following the relearning period, ValueBid™ became the default conversion signal across both platforms.

06

Quantifiable Outcomes & Business Impact

At Week 16 post-relearn, blended ROAS was up 44%, 60-day churn was down 31%, Month-6 active subscriber share was up 2.1x, and average new-customer 12-month subscription revenue was up 47%. The brand expanded prospecting on Meta into previously deprioritized creative concepts that ValueBid™ identified as high-pLTV despite under-indexing on first-box ROAS.

Understanding the Problem

The Core Challenge: First-Box ROAS Hides Month-6 Retention Reality

Subscription commerce economics are concentrated at retention milestones, not at first-box conversion. Month 6 is where the bulk of LTV concentration happens. The bidder cannot see Month 6 from Week 1. Without a forward-looking signal, the auction over-invests in trial-driven discount-seekers and under-invests in customers most likely to reach the milestone that actually drives profit.

Subscription Commerce funnel
without
AdZeta
Broad Subscription-Curious Shoppers
First-Box Conversions (Heavy Promo Skew)
~42% Churn Before Box 2
Less Than 30% Active at Month 6
Optimization Goal
First-Box AOV Maximization
Subscription Commerce funnel
with
AdZeta
pLTV-Targeted High-Retention Subscribers
High Month-6-Probability Conversions
Active Subscribers Through Box 4
Above 60% Active at Month 6
Optimization Goal
Predicted Month-6 Retention × 12-Month Subscription Revenue
01
First-Box ROAS Is the Wrong North Star for Subscription Brands

In subscription commerce, the first box is where the brand pays the highest CAC and earns the lowest margin. The auction is being optimized against the least profitable transaction in the entire customer relationship. Optimizing for more first boxes just multiplies the brand's exposure to the 60-day churn cliff.

02
Promo-Driven Subscribers Look Like High-Value Customers Until Month 2

Heavy first-box discounting (40 to 60% off is industry standard) pulls in promo-driven subscribers whose pLTV is dramatically lower than full-price acquisitions. In an AOV-bidding world, the auction cannot tell them apart at conversion. Accounting for promotions in the ValueBid™ model was a prerequisite for honest LTV prediction.

03
The Warehouse Retention Model Never Reaches the Auction

The brand had built a competent Month-6 retention model in their warehouse. It informed lifecycle email cadence, offer targeting, and concierge intervention. It never flowed into Google or Meta's bidder. The most predictive signal in the business was sitting outside the system that allocated the most spend.

ADZETA'S SOLUTION

The Strategic Approach: How AdZeta Delivered for the Brand

ValueBid™ takes the brand's first-party data and predicts each new subscriber's Month-6 value in real time. The score becomes the conversion value sent to Google OCI and Meta CAPI. The auction relearns on the new objective and starts winning impressions for the customer profile that actually crosses Month 6.

  • Month-6 Retention + Subscription Revenue Modeling

    AdZeta's brand-specific model predicts each new subscriber's Month-6 value from the brand's own first-party data. That predicted value is what the auction optimizes against.

  • Promotion-Aware Modeling

    The model accounts for how each subscriber was acquired, including promotions. This prevented systematic LTV over-prediction on heavily discounted cohorts that historically churn at twice the rate of full-price acquisitions, a common failure mode in pLTV models built without subscription commerce expertise.

  • Signal Delivery via Google OCI and Meta CAPI

    Predictions are delivered as conversion values to Google's Offline Conversion Imports and Meta's Conversions API. Google Performance Max and Meta Advantage+ Shopping campaigns kept their existing structure. Only the value the bidder is optimizing against changed.

  • Cohort-Level Retention Forecasting

    AdZeta's reporting layer breaks Month-6 retention forecasts out by acquisition cohort, channel, and creative concept. The brand's CFO uses the cohort forecast as the primary input to monthly subscription revenue planning and inventory forecasting.

A/B Test
Control Group: First-Box AOV Bidding (50% Hold-Out for Six Weeks)

Google Performance Max with tROAS configured against AOV. Meta Advantage+ Shopping with first-event optimization. The default configuration the brand had been running for 24 months.

Experiment Group: ValueBid™ Month-6 Retention Value Signal

Same campaign structure, same audiences, same creative. ValueBid™'s predicted Month-6 value replaced AOV as the conversion value sent to Google OCI and Meta CAPI.

Google Ads
Meta Ads

44%

ROAS Improvement

Blended Google + Meta ROAS at Week 16 post-relearn

31%

Reduction in 60-Day Churn

Box-1 to box-2 churn rate

2.1X

Month-6 Active Subscriber Share

New customers still actively subscribed at Month 6

47%

Lift in 12-Month Subscription Revenue

Average new-customer cumulative subscription revenue at Day 365

MEASURABLE IMPACT

The Auction Is the Most Important Retention Lever You're Not Using

The brand had treated retention as a downstream lifecycle problem for years: better email cadence, better concierge, better re-engagement offers. All of that work mattered. None of it addressed the customer mix entering the funnel. ValueBid™ shifted the mix at acquisition, and the lifecycle team's existing infrastructure compounded against a structurally better cohort. The 60-day churn improvement was the headline metric. The 12-month revenue lift was the actual business outcome.

Ready to Bid on Month-6 Retention Instead of First-Box AOV?

If your subscription brand's profit lives at Month 6 and beyond, but your auction only sees Box 1, AdZeta's ValueBid™ closes that gap. Predicted retention and subscription revenue delivered to Google OCI and Meta CAPI.

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