EC Price Calculator by Measure vs Spark Kit: Price Calculator
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 2, 2026 for EC Price Calculator by Measure, Oct 22, 2026 for Spark Kit.
The short answer
- Only EC Price Calculator by Measure lists a free plan. Paid plans start at $9.99/month for EC Price Calculator by Measure and $14.99/month for Spark Kit.
- Spark Kit lists 3 features EC Price Calculator by Measure’s listing doesn’t mention, including Custom pricing, Pricing rules, Tags.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Demo
- · Calculates Based on Units/Boxes
- · Five Rules with Up to 10 Products/Rule
- · Live Chat & Email Support
Standard
- · Calculates Based on Units/Boxes
- · Live Chat & Email Support
- · Supports Assigning Collections to Rules
- · Unlimited Product
- · Unlimited Product Size Rules
Standard
- · All calculator templates
- · Apply store-wide or to specific products
- · Ask for changes in plain words
- · Calculators built from your products
- · Custom formulas per product
- · Live calculator on product pages
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe Custom Price Calculator helps customers calculate quantities and prices based on their measurements. Perfect for flooring, tiles, paint, wallpaper, fabric, rope, piping, molding, concrete, soil, gravel, liquids, & more. Customers can enter their dimensions, choose the unit, account for waste, and instantly see the quantity and total price.
Sell products priced by size, not fixed variants. Spark Kit adds a price calculator to your product pages: shoppers enter width, length, or area, see a live price, and add the exact amount to cart, so checkout always matches. Spark Kit reads your products, suggests the ones you sell by size, and builds a calculator for each kind, from blinds and fabric by the yard to flooring and tile by the box.
- Supports both individual unit and boxed product options.
- Imperial or Metric: square meters or square feet, easily convertible.
- Accurate order estimation based on area dimensions.
- Option to include extra percentage for damage allowance.
- Add a measurement calculator to any product page, no code needed
- Shoppers enter dimensions and instantly see how much to buy
- Build a custom calculation formula for each product
- Apply one calculator store-wide or to specific products
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  EC Price Calculator by Measure |  Spark Kit |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | EC Price Calculator by Measure | Spark Kit |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 16 | Not published |
| New reviews, 28 days | 1 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | EC Price Calculator by Measure | Spark Kit |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9.99/month(ahead) | $14.99/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 2 | 1 |
Listing
| Measure | EC Price Calculator by Measure | Spark Kit |
|---|---|---|
| Shopify category rank | #28 | #166 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Mar 18, 2024 | Jun 16, 2026 |
| Languages | 1 | 1 |
| Developer | Entangle Commerce | Triember Studios |
FAQ
EC Price Calculator by Measure and Spark Kit: common questions
- Is EC Price Calculator by Measure or Spark Kit cheaper?
- Only EC Price Calculator by Measure lists a free plan. Paid plans start at $9.99/month for EC Price Calculator by Measure and $14.99/month for Spark Kit. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Spark Kit lists 3 the others don’t mention, such as Custom pricing, Pricing rules, Tags. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 2, 2026 for EC Price Calculator by Measure, Oct 22, 2026 for Spark Kit; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 2, 2026 for EC Price Calculator by Measure, Oct 22, 2026 for Spark Kit. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.