Introduction
BitterPower GmbH, best known for its BitterLiebe brand, has built a loyal community of customers. To further strengthen this bond, the company turned to WhatsApp marketing with Chatarmin. During the “Bitter Month” campaign, exclusive discount offers were sent directly to WhatsApp subscribers – with impressive results.
Challenge
Email campaigns remain an important part of BitterLiebe’s marketing mix. However, in today’s battle for attention, many messages end up lost in overcrowded inboxes. The company was looking for a direct and attention-grabbing channel to quickly and measurably deliver time-sensitive promotions and exclusive offers.
Solution
With Chatarmin, BitterLiebe launched a WhatsApp campaign built around three success factors:
- Instant messaging: Offers delivered to the community in real time.
- Exclusivity: Special discounts only available to WhatsApp subscribers.
- Urgency: Time-limited promotions that prompted immediate action.
Through the Klaviyo integration, BitterLiebe was able to precisely measure WhatsApp’s impact on Customer Lifetime Value (CLTV), both alone and in combination with email. The Freshworks (Freshdesk) integration ensured a seamless customer experience – with no data silos or information gaps.
Results
The campaign achieved outstanding performance:
- 13.9x ROAS – exceptional return on ad spend.
- 85.4% open rate – nearly every subscriber opened the message.
- 15.6% click rate – strong intent and engagement.
These results highlighted not only WhatsApp’s strength compared to email but also how integrated CRM and a seamless tech stack unlock full potential.
Takeaway
With Chatarmin, BitterLiebe successfully transformed community loyalty into revenue. The combination of exclusivity, urgency, and seamless CRM integration made WhatsApp a true game changer in their campaign mix.