How a clean-label snack brand grew subscriptions by 38%
Using CartIn AI to convert one-time impulse buyers into monthly recurring revenue.
38%
Lift in Subscriptions
2.1x
Repeat Purchase Rate
67%
Drop in WISMO Queries
The Challenge
A mid-tier D2C health food brand (operating similarly to Snackible or The Butternut Co) had a great product but struggled with Customer Lifetime Value (CLTV). Customers would buy a ₹499 trial pack of roasted snacks via Instagram ads, but rarely returned to subscribe to the monthly box.
Their email drip campaigns for subscriptions were seeing a dismal 1.2% click-through rate.
The Solution: Post-Purchase AI Upselling
The brand implemented CartIn AI, specifically utilizing its post-purchase WhatsApp integration and in-chat recommendation engine.
- In-Chat Bundling: When a user added a single pack of snacks to their cart, the AI widget politely suggested: "Most people pair this with our Peri-Peri Makhana. Add both for a 10% discount?"
- The Delivery Nudge: Exactly 48 hours after the delivery was marked as "Delivered" via Shiprocket, CartIn AI sent a WhatsApp message: "Hey! Hope you're enjoying the snacks. If you'd like a fresh box every month, reply 'SUBSCRIBE' for a flat 15% off forever."
- Automated WISMO: Because food relies on freshness, delivery anxiety is high. CartIn AI automatically handled all "Where is my order?" (WISMO) queries, assuring customers their food was in transit.
The Results
Over a 3-month tracking period:
- Subscription sign-ups jumped 38%: The WhatsApp nudge hit customers exactly when they were enjoying the product, massively outperforming email.
- Repeat purchase rate doubled (2.1x): Even non-subscribers returned to buy via the WhatsApp chat thread.
- WISMO tickets dropped by 67%: Automated tracking links inside the chat completely removed the need for manual support intervention.
You pay for conversations.
Not for window shoppers.
Every competitor charges per visitor — including the ones who bounce in three seconds. A viral reel shouldn't result in a massive bill. With CartIn, you only pay when the AI actually engages a customer.














