ItemFits: Products & Spaces vs JustFits
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for ItemFits, Feb 19, 2026 for JustFits.
The short answer
- Only ItemFits lists a free plan.
- ItemFits lists 4 features JustFits’s listing doesn’t mention, including AI recommendations, Analytics, Recommendations.
Head to head
- United States
Free 2-day trial
- · 2-day trial of PRO tier features
- · Default branding + email support
Starter
- · 1,000 explanations + 500 checks/mo
- · Door, room, hall, stair + elevator
- · Full analytics + conversation replay
- · Per-variant sizes (Queen vs King)
- · Product suggestions + store chat
- · Up to 1,000 products / 5,000 variants
Growth
- · 2,000 explanations + 750 fit checks/mo
- · Everything in Starter
- · Export fit-check data (CSV)
- · Pick fit alternatives by product
- · Staff Fit Finder: up to 50 matches per s
- · Up to 5,000 products / 10K variants
Pro
- · 4,000 explanations+ 1,500 fit checks/mo
- · Everything in Growth
- · Priority support
- · Staff Fit Finder with unlimited matches
- · Up to 10 fitting options in cart
- · Up to 10,000 products / 30,000 variants
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureGive shoppers a “Will It Fit?” check directly on your product pages, cart or via a site-wide explanation engine. ItemFits uses product dimensions from your catalog and lets customers check doors, hallways, vehicles, stairs, elevators, rooms, and other tight spaces before buying.
JustFits helps merchants create visual size charts and fit guides for apparel, shoes, and accessories. Upload size data via CSV, assign charts to products or collections, and preview everything directly in Shopify Admin. Improve customer confidence, reduce returns, and keep your product pages clean and consistent.
- Adds fit checks to every product page for doors, stairs, rooms, and vehicles
- Checks multi-item carts against one shopper-defined space before checkout
- Suggests fitting alternatives when a product won’t fit a shopper’s space
- Answers natural-language fit questions through sitewide shopper chat
- Upload and manage size charts easily via CSV import.
- Assign charts to products, collections, or categories.
- Preview size charts directly inside Shopify Admin.
- Create reusable templates for consistent store design.
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 |  ItemFits |  JustFits |
|---|---|---|
| Detected stores | 1 | 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 | Baby & Toddler | Not published |
| Top store countries | United States | Not published |
Reviews
| Measure | ItemFits | JustFits |
|---|---|---|
| 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 |
FAQ
ItemFits and JustFits: common questions
- Is ItemFits or JustFits cheaper?
- Only ItemFits lists a free plan. 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?
- ItemFits lists 4 the others don’t mention, such as AI recommendations, Analytics, Recommendations, Variants. JustFits lists 3 the others don’t mention, such as Size charts, Table layout, Unit conversion. 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 9, 2026 for ItemFits, Feb 19, 2026 for JustFits; 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 9, 2026 for ItemFits, Feb 19, 2026 for JustFits. 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.