
Sell by Measure
Sell by measure
An amount input with a live price, Shopify unit prices and a checkout check for minimum and maximum amounts.
Free plan
Platforms
CS-CartAdd-ons and themes for CS-Cart and Multi-Vendor
OpenCartExtensions and themes for OpenCart 4 and 3Stores
Shopify apps · free plan on every app
Sell by Measure, Engraving & Monogram Personalizer and Vehicle Fitment & YMM Search. Every app has a free plan, and paid plans are billed by Shopify on your Shopify invoice.

Shopify
One page per app: the problem, the usual workarounds and how the app solves it. Plans, docs and install links are on apps.kaviolabs.com.

Sell by Measure
An amount input with a live price, Shopify unit prices and a checkout check for minimum and maximum amounts.
Free plan

Engraving & Monogram Personalizer
Engraving previewed on the product photo, monogram styles, an add-on price at checkout and a production sheet.
Free plan

Vehicle Fitment & YMM Search
YMM search on your own collection pages, a fit badge on every product, My Garage and CSV import.
Free plan
Shopify
| Product | Price | Plans | Links |
|---|---|---|---|
| Sell by Measure | Free plan | Free · $9 · $19/mo | Learn more: Sell by Measure View the app : Sell by Measure |
| Engraving & Monogram Personalizer | Free plan | Free · $14 · $29/mo | Learn more: Engraving & Monogram Personalizer View the app : Engraving & Monogram Personalizer |
| Vehicle Fitment & YMM Search | Free plan | Free · $19 · $49/mo | Learn more: Vehicle Fitment & YMM Search View the app : Vehicle Fitment & YMM Search |
Every app has a free plan. Paid plans start with a free trial; change or cancel your plan any time in the app.
No second account and no card on our site: paid plans appear on your Shopify invoice.
The storefront parts are theme app blocks served from Shopify’s CDN. You place them in the theme editor and they leave cleanly on uninstall.
No Shopify Plus features needed. The apps work on every plan with Online Store 2.0 themes such as Dawn and Horizon.
Guides
Guide
How five platforms handle 1.25 kg or 2.5 m, the usual workarounds and what to check before you choose.
Read the guideGuide
One row per product and vehicle, year ranges, submodel and engine, universal parts and the errors to avoid.
Read the guideGuide
Step size, unit prices, stock in steps and minimum lengths for fabric shops on Shopify.
Read the guideFAQ
The apps are being prepared for the Shopify App Store. Install links appear on apps.kaviolabs.com as soon as each listing is live.
No. Shopify apps are billed by Shopify, on your Shopify invoice.
Online Store 2.0 themes that support app blocks on the product page, such as Dawn and Horizon.
The app blocks leave your theme. Your products and orders stay as normal Shopify data.
The apps site has the pricing plans, screenshots and the full documentation of every app.
Kavio Labs
The same standards, the same support desk and one licence portal on every platform we build for.