Will It Fit? adds a no-code compatibility checker to your product pages, backed by 9,500+ verified fitment entries across 25 categories. The result: fewer wrong-fit returns and more confident buyers.
For parts, batteries, filters and accessories, "will this fit my model?" is the question standing between a shopper and checkout.
Ordering the wrong part is the top reason accessories come back — and every return eats margin, time and stock.
If a buyer can't confirm it fits their model on the page, they stall, open a new tab, or simply don't buy.
Pre-sale compatibility questions pile up on your support team and slow the sale right down.
One wrong-fit order and the customer thinks twice about buying from you again. Certainty builds repeat sales.
Install the app and drop the fitment checker onto your product pages — no code, no developer, customizable to your theme.
Will It Fit? matches your products to compatibility models by GTIN, SKU or title, applying only exact matches.
Buyers confirm a product fits their model before they buy — and see every compatible product you sell.
Shoppers confirm a part, battery, filter or accessory fits their model before they buy — and see every compatible product you sell, not just the one they're looking at.
Will It Fit? matches your products by GTIN, SKU or title and applies only exact matches. Uncertain matches are suggested for review — never silently guessed.
9,500+ verified fitment entries across 25 categories — from printer ink and vacuum filters to power tools and e-bike batteries. There's no compatibility database for you to build or maintain.
Plans are based on compatibility checks per month. Every paid plan includes a 14-day free trial.
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.
No. Will It Fit? ships with 9,500+ verified fitment entries across 25 categories, so there's nothing for you to build or maintain.
No. It maps products by GTIN, SKU or title and applies only exact matches. Uncertain matches are suggested for your review — never applied automatically.
No code required. The checker installs as a theme block you drop onto your product pages, and it's customizable and mobile-ready.
A check is a fitment lookup the widget runs for a shopper on your storefront. Plans range from 500 to 500,000 checks per month, so you only pay for the traffic you get.
It reads your products so it can map them to compatibility models. That's it.
Add the Will It Fit? checker to your product pages free, and turn wrong-fit returns into confident sales.
Add to Shopify — it's free