+387%
MER Increase
How Stay Cold Apparel increased its share of new customers by 218% – while achieving an 84x ROI on Tracify costs.
Stay Cold Apparel is a high-growth D2C streetwear brand that faced a challenge familiar to many ambitious e-commerce brands: the business was growing and marketing was performing strongly, but for the next step in that growth, a dedicated new customer offer in March, the team needed a data foundation it could trust 100%. Budget decisions were based on the native platform data of the ad channels, and that data did not provide a reliable basis for profitable growth. Since integrating Tracify for tracking and AI attribution in a multichannel context as the single source of truth in performance marketing, that has fundamentally changed – within a single month.
+218%
New customer share (profitable first purchase)
-83%
Customer Acquisition Cost
We thought we were already performing very well in marketing at Stay Cold, and we were – despite optimizing based on incorrect attribution data. Within a month, Tracify showed us how we could achieve significantly more with a much stronger data foundation. It was an absolute game-changer and the start of a whole new dimension of profitable growth and unlocking our full potential.
Challenges
- Flawed decision-making basis: Without a dedicated attribution tool, budget was allocated on the basis of skewed platform data, leaving growth potential untapped.
- New customer offer as the next growth lever: For the new customer offer planned for March, the team needed a data foundation precise enough to steer the campaign profitably from day one. The previous setup could not deliver at that level.
- No intraday scaling possible: Isolated, non-deduplicated event data and slow systems prevented rapid optimization cycles. Decisions that needed to be made today arrived too late or not at all.
Consequences
- Budget flowed into channels and campaigns that were evaluated on the basis of inaccurate attribution data. As a result, additional potential in profitability and growth remained untapped.
- The actual contribution of individual channels and touchpoints remained invisible – holistic customer journey optimization was simply not possible.
- Growth potential remained untapped: without reliable real-time data, the foundation for fast, profitable scaling decisions was missing.
- Top-of-funnel touchpoints such as prospecting ads were chronically undervalued, while retargeting was incorrectly reported as the primary growth driver.
Solution
Stay Cold Apparel integrated Tracify as its central tracking and attribution tool – with an onboarding process completed in a single day. Instead of a generic setup, Jonas and his team received individual onboarding based directly on their own case, guided by Tracify experts. The result: valid, deduplicated data across all channels from day one.
Result
Record-breaking new customer numbers
Within the first month of integrating Tracify, Stay Cold Apparel achieved the best new customer split on a single offer in the company's history – and with a profitable first purchase. The share of new customers increased by +218%, and new customer efficiency on a dedicated campaign also reached a new record high. Metrics that previously could not be managed at this level of precision suddenly became the strongest lever for growth.
Cross-channel optimization
The ability to optimize across channels quickly became particularly relevant: for the first time, Stay Cold Apparel was able to view the customer journey holistically and set channels and initiatives in relation to one another. A concrete example: by using Tracify links in the Instagram broadcasting channel, this channel was identified as an efficient mid-funnel support and expanded in a targeted way.
Dramatic efficiency gains
The MER increased by +387%, and customer acquisition cost dropped by 83%. The ROI on the Tracify investment was 84x. These figures show that clean attribution is not a nice-to-have. It is the foundation for every further optimization step in performance marketing.
Why Tracify?
- Precise, deduplicated attribution across all channels – no more duplicate events, no more flawed decision-making.
- Intraday data and rapid optimization cycles – budget decisions can be made and implemented in real time.
- Holistic customer journey optimization – cross-channel relationships become visible, allowing channels to be scaled up or down in a targeted way.
- Straightforward onboarding and strong consulting – set up in one day, with individual expert onboarding based on your own case.
- Top-tier support – German live support, performance calls & academy.
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