Case Study
Deblock

How RZR Cut Deblock’s CPA by 50% and Doubled Spend in 6 Weeks

iOS | Android
EMEA
Brands
Retargeting

2X spend

in 6 weeks

2-3

weeks to target efficiency

50% CPA

below target

UNDERSTANDING DEBLOCK’S USER SEGMENTS

Users who wanted traditional banking services but had no interest in crypto.

Banking + light crypto users
Users willing to try small crypto purchases but who often churned after a few low-value transactions.

High-value crypto users
A concentrated segment of users with frequent crypto activity and significantly higher lifetime value compared to the broader base.

‍

Play 1

The “Welcome Bonus Unlock
Target: Users who viewed the wallet or onboarding steps but never completed the core actions.

Execution highlights:

  • Clean and trustworthy 3D animation showcasing the welcome bonuses and premium rewards
  • Step-by-step visualization to reduce friction and hesitation
  • Clear French copy that reinforced value and legitimacy
  • Variants for video, interstitial, and banner formats

Play 2
High-Intent Wallet Nudges
Target: Users who already explored the crypto purchase flow or card activation path

Execution highlights:

  • Real app UI footage showing exactly how to complete purchases
  • Reinforcement of minimum requirements
  • Updated sequences tailored for users hovering near completion
  • CTA pulses and trust cues to counter the natural hesitation of first-time crypto buyers
What Drove the Win

Privacy first strength

RZR's privacy-first bidding models and SKAN-friendly optimization let the campaigns  scale efficiently without compromising user data or Deblock’s trust standards. This ensured every retargeting decision aligned with the client’s privacy requirements while still delivering below-target CPA.

RZR's Creative Leadership

Deblock needed clarity, trust, and visual guidance for a crypto-newcomer audience. RZR provided end-to-end creative development, producing the bonus explainers, wallet steps, and 3D animations that drove consistent performance on both iOS and Android.

Hands-on optimization to keep CPA low

Hitting below-target CPA on both iOS and Android wasn’t accidental. Daily pacing, audience refresh cycles, and timely creative swaps drove meaningful efficiency gains.

‍

WHY IT MATTERS

This wasn't only about beating a CPA target. It's shows that retargeting is a high-leverage growth lever for fintech apps with hybrid banking and crypto value props.

RT creates LTV without scaling UA spend Crypto apps often spend aggressively on UA. Retargeting activates value already on the ledger.

Trust matters in finance Clear creative, real UI, and repeated reassurance reduced friction dramatically.

Global scalability with lean teams RZR handled creative, pacing, and operations so Deblock could stay focused on product and market expansion.

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