Chrome Extension

A second opinion
before you buy.

SecondOpinion scans any product page and instantly delivers real reviews, red flags, and better alternatives โ€” so you never overpay or get burned.

Free to start ยท No sign-up required ยท Works on any shopping site

How it works

Three steps. No effort.

1

Browse normally

Shop on Amazon, Walmart, Best Buy, or any online store. SecondOpinion sits quietly in your toolbar.

2

Click for a check

See something you like? Click the extension icon. We analyze the product page in seconds.

3

Buy with confidence

Get a quick take, key findings, and smarter alternatives โ€” all backed by real data.

What you get

Everything a smart buyer needs, surfaced instantly.

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Instant analysis

AI reads the page, cross-references reviews, and delivers a verdict in under 10 seconds.

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Real reviews, not fluff

We pull from independent sources across the web โ€” not just the reviews on the seller's page.

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Red flag detection

Spot fake reviews, inflated pricing, quality complaints, and other issues before you hit buy.

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Better alternatives

Discover similar products that score higher, cost less, or come from more trusted brands.

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Privacy first

No account required. No tracking. We never sell your data or browsing history.

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Works everywhere

Amazon, Walmart, Target, Best Buy, eBay, Shopify stores โ€” if it has a product page, we cover it.

10s
Average analysis time
1000+
Stores supported
Free
Credits to start

Stop guessing. Start knowing.

Join thousands of smart shoppers who get a second opinion before every purchase.

Add to Chrome โ€” It's Free