DIY Quantity Calculator 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 Oct 23, 2026 for DIY Quantity Calculator, Oct 22, 2026 for Spark Kit.
The short answer
- Paid plans start at $5/month for DIY Quantity Calculator and $14.99/month for Spark Kit.
- Spark Kit lists 3 features DIY Quantity Calculator’s listing doesn’t mention, including Custom pricing, Pricing rules, Tags.
Head to head
Basic Plan
- · Area and volume quantity calculations
- · Customizable product page calculator
- · Flexible units of measurement
- · Minimum and maximum purchase quantities
- · Product and variant coverage settings
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 featureHelp customers determine how much product to purchase based on their project's area or cubic volume. The calculator supports flexible units of measurement and works with any product sold by area or volume. Merchants can define coverage values for products or variants, customize the calculator's appearance on product pages, and enforce minimum and maximum purchase quantities.
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 coverage area and/or volume and all units of measure.
- Easy to customize the appearance of the calculator on your product pages.
- Specify coverage values at the product or variant level.
- Optionally specify minimum and/or maximum order quantities.
- 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 |  DIY Quantity Calculator |  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 | DIY Quantity Calculator | Spark Kit |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | DIY Quantity Calculator | Spark Kit |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $5/month(ahead) | $14.99/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 1 | 1 |
Listing
| Measure | DIY Quantity Calculator | Spark Kit |
|---|---|---|
| Shopify category rank | #243 | #166 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 18, 2022 | Jun 16, 2026 |
| Languages | 1 | 1 |
| Developer | Eniture Technology | Triember Studios |
FAQ
DIY Quantity Calculator and Spark Kit: common questions
- Is DIY Quantity Calculator or Spark Kit cheaper?
- Paid plans start at $5/month for DIY Quantity Calculator 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 Oct 23, 2026 for DIY Quantity Calculator, 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 Oct 23, 2026 for DIY Quantity Calculator, 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.