Why has the number of new user registrations dropped by 30% in the past week for Vinted's mobile app?

Introduction

The sudden 30% drop in new user registrations for Vinted's mobile app over the past week is a critical issue that demands immediate attention. This analysis will systematically identify, validate, and address the root cause while considering both short-term fixes and long-term strategic implications.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking there might be a recent app update. Has there been any significant changes or updates to the app in the last 1-2 weeks?

Why it matters: Recent changes could directly impact user registration. Expected answer: Yes, there was an update. Impact on approach: If yes, we'll focus on the update's features and potential bugs.

• Considering user segments, I'm curious about the registration drop across different demographics. Is the 30% drop uniform across all user segments, or are certain groups more affected?

Why it matters: Helps identify if the issue is global or segment-specific. Expected answer: The drop varies across segments. Impact on approach: If varied, we'll investigate segment-specific factors.

• Given the suddenness of the drop, I'm wondering about any changes in marketing efforts. Have there been any significant changes in marketing campaigns or spend in the past week?

Why it matters: Marketing changes could directly impact new user acquisition. Expected answer: No major changes in marketing. Impact on approach: If no changes, we'll focus more on product and technical issues.

• Considering potential technical issues, I'm curious about the app's performance. Have there been any reported increases in app crashes or performance issues in the last week?

Why it matters: Technical issues could deter new users from completing registration. Expected answer: Some increase in reported issues. Impact on approach: If yes, we'll prioritize technical investigation.