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How an App boosts sales and builds customer loyalty: The Koröshi Success Story

At LogiCommerce Connect 2025, Rafa Martínez, co-founder of Reskyt, and Emilio Narváez, Head of eCommerce at Koröshi, shared a real-world example of how launching an app can transform both sales performance and customer loyalty in a fashion brand.

From website to your customer’s pocket

Koröshi is a fashion brand for men, women, and more recently, kids, that stands out for offering high-quality products at affordable prices. Like many other brands, their web analytics reveal a clear trend: 80% of their traffic comes from mobile devices, and most purchases are also made on mobile. Given these figures, the next step was obvious: launching an app to turn that traffic into a recurring sales channel.

Why launch an App?

According to Reskyt, this trend is echoed across most of their clients: more than 80% of eCommerce traffic now comes from mobile, and around 68% of sales follow suit. With that in mind, Rafa Martínez emphasized that a good app shouldn't simply replicate a brand's website—it should offer exclusive features that reward users for downloading it: faster navigation, a smoother checkout process, special promotions, custom push notifications, and exclusive in-app content.

Real results at Koröshi

Two years after launching their app with Reskyt, Emilio Narváez shared some compelling results:

  • +20% increase in revenue directly through the app.
  • 2x higher conversion rate compared to the mobile website.
  • +15% increase in average order value.
  • Higher ARPU (average revenue per user): app users tend to be more committed and willing to spend more.

And all of this with minimal marketing effort, thanks to tools like push notifications to share updates, promotions, and new product launches directly to the customer’s device.

app

Community, retention, and loyalty in an App

For Koröshi, the app has become a strategic tool for building community and fostering loyalty beyond the website. With in-app review features, the brand has achieved a solid 4.6-star average rating, far above the average in app marketplaces where negative reviews often dominate due to external issues.

Emilio highlighted that customers appreciate being notified directly via push, accessing app-only offers, and enjoying a seamless shopping experience. Reskyt allows brands to define when to request a review—ideally after a successful checkout—maximizing the chances of a positive rating.

Total control for marketing teams

One of the most valued aspects of the Reskyt solution is that marketing teams have full control over the app without relying on developers. From updating banners to configuring buttons or launching campaigns and push notifications—everything can be done in real time without resubmitting the app to app stores.

Emilio also praised the seamless integration with LogiCommerce and the ongoing support provided by the Reskyt team. The app is fully connected to their backoffice and integrates easily with tools like Connectif, payment gateways, and search engines like Doofinder.

Does it cannibalize the website?

A common concern when launching an app is whether it will reduce web sales. But in Koröshi’s case, the opposite happened: the app added to their total performance. Since its launch, both mobile website and app sales have increased, reinforcing each other as complementary channels.

Emilio summed it up perfectly: “For us, the app is like our VIP club. It doesn’t replace the website—it enhances it.”

They also integrated their loyalty program into the app, eliminating plastic cards and offering an omnichannel experience. From in-store purchases to full order history, everything is centralized in the app.

Conclusion: Creating an App multiplies

It is more than just adding a new channel. As Rafa Martínez puts it: “Adding features to your eCommerce adds up. Creating an app multiplies.” The Koröshi case proves that a well-managed app—designed for ease of use, marketing autonomy, and user-first functionality—increases sales, improves conversion rates, and builds a loyal, engaged customer base.

Complete video of the session:

LogiCommerce
Desde 1999, LogiCommerce es el software de comercio electrónico Headless para empresas en crecimiento y grandes organizaciones que ofrece tecnología de vanguardia a través de una plataforma B2B & B2C totalmente unificada. Marcas de renombre mundial como VW, GAP, Audi, eseOese, Munich, Nestlé e IMC Toys utilizan LogiCommerce. 
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