JustFits vs Sized Size Charts & Size Guide
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Feb 19, 2026 for JustFits, Oct 13, 2026 for Sized Size Charts & Size Guide.
The short answer
- Only Sized Size Charts & Size Guide lists a free plan.
- Sized Size Charts & Size Guide lists 9 features JustFits’s listing doesn’t mention, including Color and font, Comparison table, Custom CSS.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Assign to: products, collections
- · Built-in image editor
- · Placement: inline, pop-up, sidebar
- · Pre-build size chart designs: 3
- · Published size charts: 2
- · Rich content: Unavailable
Growth
- · All from Free +
- · Assignment: all Shopify essentials
- · Multilingual support
- · Pre-build size chart designs: 5
- · Published size charts: 10
- · Size chart templates: 20+
Premium
- · All from Growth +
- · All future app updates & features
- · Design service: request a custom design
- · Priority support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureJustFits 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.
The Sized app makes creating size charts and fit guides quick and easy, helping customers confidently choose the proper size. Customizable charts reduce returns and abandoned carts while boosting sales and satisfaction. Tailor your size charts with text, images, or measurement details for apparel, shoes, and more. Assign charts to product(s) or products in collections.
- 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.
- Customizable Size Chart: add text, images, customize colors to fit store design
- Use 14 ready-to-use size chart templates or upload your own product images
- Intuitive and simple size chart editor saves your time and makes app easy to use
- Apply size chart to product(s), products in the collection, or whole collection
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 |  JustFits |  Sized Size Charts & Size Guide |
|---|---|---|
| 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 | JustFits | Sized Size Charts & Size Guide |
|---|---|---|
| App Store rating | Not published | 4.0 ★ |
| App Store reviews | Not published | 8 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | JustFits | Sized Size Charts & Size Guide |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $9.99/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | Not published | 3 |
Listing
| Measure | JustFits | Sized Size Charts & Size Guide |
|---|---|---|
| Shopify category rank | #179 | #77(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 25, 2025 | Feb 21, 2025 |
| Languages | 1 | 1 |
| Developer | Go big or go home | NexusMedia |
FAQ
JustFits and Sized Size Charts & Size Guide: common questions
- Is JustFits or Sized Size Charts & Size Guide cheaper?
- Only Sized Size Charts & Size Guide 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?
- JustFits lists 1 the others don’t mention, such as Unit conversion. Sized Size Charts & Size Guide lists 9 the others don’t mention, such as Color and font, Comparison table, Custom CSS, Custom text. 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 Feb 19, 2026 for JustFits, Oct 13, 2026 for Sized Size Charts & Size Guide; 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 Feb 19, 2026 for JustFits, Oct 13, 2026 for Sized Size Charts & Size Guide. 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.