Your independent purchasing intelligence

Ask Sia.
Before you buy.

Tell me what you need. Show me what you're looking at. I'll help you find the right one, check it fits what you already own, and send you straight to the retailer to buy it.

Free to use, no sign-up needed. Retailers handle checkout. Sia handles the decision.

How it works

One question.
Three honest answers.

Sia is not a store and never shows you a wall of products. She searches, compares and explains, then hands you to Amazon, Walmart or another approved retailer to complete the purchase.

Sia's Pick, Best Value, Alternative.

Every answer comes back as three choices with a plain-English “why this one.” Best overall, best economics, and a meaningful alternative.

Will it work with what I own?

Chargers, mounts, filters, parts. Sia tells you Verified, Likely, or Unknown, and never manufactures certainty.

Ask Sia, or show Sia.

Snap the model label, the broken part, or the shelf in front of you. Sia identifies it and finds the right match.

Better Buy

Already picked something?
Let Sia check it.

Paste a link or a model number. If it's a good choice, she'll say so. If there's a better one for you, she'll explain why. Trust is worth more than any commission.

Sia's Pick

Best overall match

The one that fits your need, your equipment, and your budget together.

Best Value

Best economics

Meets every requirement at the best price class. No corners cut on the things that matter.

Alternative

A different trade-off

Faster delivery, longer warranty, stronger build, or a feature the other two don't have.

Personal & Business

Start as a guest.
Stay for the memory.

Sia gets more useful when she knows what you already own. That part is always voluntary, always yours, and never shared between profiles.

Guest

Available now
  • Ask by text or photo
  • Three recommendations with why
  • Compatibility checks
  • Better Buy verdicts
Ask Sia now

Personal

Free · sign in
  • My Home, My Garage, My Devices, My Toolbox
  • Sia stops asking what you own
  • Sia Watch: “tell me if it drops below $1,500”
  • Gift concierge for the people you shop for
Create a personal profile

Business

Free · sign in
  • Procurement assistant for your team
  • Approved brands, budgets, existing equipment
  • Quantity and replacement-cycle aware
  • Isolated from personal profiles
Create a business profile

Your privacy and our independence

Helpful by design.
Honest by rule.

We never hold your retailer passwords or payment cards. You buy on the retailer's site, with their account, their checkout and their returns.

01

Commission never decides the ranking.

Affiliate revenue keeps Shop with SI free. It is scored separately from recommendations and cannot move an inferior product up the list.

02

No sponsored placements.

Nobody can pay to be Sia's Pick. Ever.

03

Prices are checked at the retailer.

Sia gives price context, not fake live prices. The retailer shows today's number when you get there.

04

Photos are evidence, not instructions.

Your image is used for the current answer only and is not stored in your history.

Built with intention

What's live, and what's next.

We only claim what works today. Everything below arrives as it is verified.

  1. Available now

    Guest Sia: text and photo, three picks, compatibility, Better Buy

  2. Sign-in

    Personal and Business profiles with voluntary memory

  3. Next

    Sia Watch price and availability alerts

  4. Next

    Shelf, Room, Party and Pantry vision modes

Ask Sia