Auto-Reply to Google Play Store Reviews with GPT-4o & Sentiment Analysis

This n8n workflow automates replying to Google Play Store reviews using AI.

It analyzes each review’s sentiment and tone and posts a human-like response — saving time for indie devs, founders, and PMs managing multiple apps.

💡 Use Cases Respond to reviews at scale without sounding robotic
Prioritize negative sentiment feedback
Maintain consistent tone and support messaging
Free up time for teams to focus on product instead of ops

🧠 How it works Uses the Play Store API to fetch new app reviews Filters out reviews that have already been replied to Analyzes sentiment using OpenAI GPT-4o Passes sentiment and review context to an AI Agent node that crafts a reply Replies are posted to Play Store via Google API (Optional) Logs the reply to Slack for visibility

🛠️ Setup Instructions (Sticky notes included in the workflow)

1. HTTPS Node Replace the package name with your app’s package ID Add Google Service Account credentials
   → Create from Google Cloud Console with access to Play Console
   → Add to n8n Credential Manager

2. OpenAI Node Add your OpenAI API key
   → GPT-4o or GPT-4o mini supported
   → Customize model or instructions if needed

3. AI Agent Node Modify prompt to reflect your app name, tone, and feature set
   → E.g. polite, witty, casual, support-friendly, etc.
   → You can add reply conditions or logic for different types of reviews

4. Slack Node (Optional) Configure Slack Webhook or OAuth credentials if you want reply logs
   → Otherwise, delete the node to simplify the workflow

⚡ Requirements Google Play Developer Console access
Google Cloud Project with service account
OpenAI account (GPT-4o or mini)
(Optional) Slack workspace & app for logging

🙌 Don’t want to set this up yourself? I’ll do it for you. Just drop me an email: imarunavadas@gmail.com

Let’s automate the boring stuff so you can focus on growth. 🚀