Contact Us
Have questions, feedback, or need support? We would love to hear from you.
Get in Touch
For all inquiries including general questions, technical support, privacy concerns, and partnership opportunities, please reach out to:
info@whichone.aiCommon Questions
How do I install the extension?
Visit the Chrome Web Store and search for "WhichOne" or click the "Add to Chrome" button on our homepage. Installation takes just seconds.
Which stores are supported?
Currently, we support Amazon, Home Depot, Walmart, Best Buy, and Lowe's. More retailers are being added regularly.
Is WhichOne really free?
Yes! WhichOne is completely free to use. We earn affiliate commissions when you purchase products through our links, but this does not affect our recommendations.
How accurate are the AI recommendations?
Our AI uses GPT-4 and analyzes thousands of data points including specifications, reviews, and pricing. While no system is perfect, we continuously improve our algorithms based on user feedback.
Can I request a feature?
Absolutely! We love hearing from users. Email us at info@whichone.ai with your suggestions.
Need immediate help?
Check our How It Works page for detailed instructions and troubleshooting tips.