# How ONNI® Products GmbH Achieved a 30.1X ROWAS with WhatsApp During Black Week

> How ONNI® Products GmbH Achieved a 30.1X ROWAS with WhatsApp During Black Week → WhatsApp Marketing mit Chatarmin.com

Source: https://chatarmin.com/en/customers/onni

Company: ONNI® Products GmbH  
Industry: Lifestyle  
Published: 2025-10-02

## Results

- WhatsApp Revenue: > €10,5K
- WhatsApp Spend: €349.86
- ROWAS: 30.1x

## Initial Situation

**ONNI® Products GmbH**, a German company known for premium lifestyle and consumer products, planned a special campaign for Black Week.
The goal: **maximize revenue and leverage WhatsApp as a direct conversion channel** – without relying on expensive ads or crowded email inboxes.

## Solution: Black Week Campaign with Chatarmin 🖤

With Chatarmin, ONNI® executed a WhatsApp campaign built on **relevance, personalization, and cost efficiency**:

- **Shopify integration** for precise product recommendations and automated tracking.
- **High reach and engagement** thanks to WhatsApp messages with outstanding open rates.
- **Efficiency**: no markup on Meta costs and full transparency on ROI.

## Results

The Black Week campaign exceeded all expectations:

![ONNI® Products  Black Week Special WA Campaign](https://cdn.sanity.io/images/vmmgqf0p/production/e2a778b8f98f8d473799562c9288f46a87377cfd-1074x1076.png)

- **€10,527.99 revenue via WhatsApp** 💰
- **€349.86 WhatsApp costs**
- **30.1X ROWAS** 🚀
- **72.2% open rate** 📬
- **€104.24 AOV** 📦
- **€3.21 revenue per recipient** 👥

## Conclusion

The ONNI® Black Week campaign demonstrates that **WhatsApp is one of the most efficient and profitable channels for sales campaigns**.
Thanks to Chatarmin, ONNI® achieved record-breaking revenue with **minimal costs, maximum reach, and a 30.1X Return on WhatsApp Spend**.

👉 Want to see how your brand can use WhatsApp as a revenue driver?
[Talk to our team](https://chatarmin.com/demo)