🚀 langchain-playstore

LangChain retrievers for the Google Play Store — fetch app details and retrieve user reviews as LangChain Document objects. No API keys required.

Perfect for building RAG applications that can analyze app store feedback, monitor sentiment, or scrape competitor features.

✨ Features

📦 Installation

pip install langchain-playstore

🚀 Quick Start

Fetch App Details

from langchain_playstore import PlayStoreAppRetriever

retriever = PlayStoreAppRetriever(
    lang="en",      # Default is "en"
    country="us"    # Default is "us"
)

# You can pass the app package ID or a full Play Store URL
docs = retriever.invoke("com.google.android.youtube")

app_metadata = docs[0].metadata
print(f"Name: {app_metadata['title']}")
print(f"Developer: {app_metadata['developer']}")
print(f"Score: {app_metadata['score']} / 5.0")
print(f"Installs: {app_metadata['installs']}")

Fetch App Reviews

from langchain_playstore import PlayStoreReviewsRetriever

retriever = PlayStoreReviewsRetriever(
    lang="en",
    country="us",
    max_results=5,
    sort="helpfulness", # "helpfulness", "newest", "rating"
)

docs = retriever.invoke("https://play.google.com/store/apps/details?id=com.whatsapp")

for doc in docs:
    print(f"⭐ {doc.metadata['score']} / 5")
    print(f"💬 {doc.page_content}")
    print(f"👍 {doc.metadata['thumbs_up']} upvotes\n")

📄 License

MIT — see LICENSE for details.