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Idle Bank by TapNation gathered over 15M downloads since it launched in 2021. But by 2024, the game was slowly declining in growth. ZBD Embedded Rewards was integrated directly into the game as a new growth mechanic and performance took a sharp upward turn.
We worked closely with ZBD on the rewards integration for Idle Bank and had high expectations. We were still surprised at how fast retention and ARPDAU went up. It’s like flipping a switch.
Philippe Lenormand, Head of Web3 at TapNation
Flipping the switch on retention
The biggest direct impact of integrating Embedded Rewards is always on retention.
Here’s how retention changed after TapNation integrated the ZBD SDK and rolled it out to US users of Idle Bank.
As with most Embedded Rewards integrations, the retention uplift picked up over time. From +29% on D1 to 142% on D14.
In this period, TapNation didn’t make any changes to the game, UA creatives or their App/Play Store pages. The only thing they did was go live with ZBD Embedded Rewards, delivered through our lightweight Unity SDK.
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