GloSize vs Smart Size Chart & Size Guide
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for GloSize, Nov 9, 2026 for Smart Size Chart & Size Guide.
The short answer
- Only Smart Size Chart & Size Guide lists a free plan. Paid plans start at $5.99/month for GloSize and $9/month for Smart Size Chart & Size Guide.
- Smart Size Chart & Size Guide lists 16 features GloSize’s listing doesn’t mention, including Conditional logic, Custom CSS, Custom HTML.
Head to head
Stunning size charts to increase sales and reduce returns.
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Standard
- · Assign to products or collections
- · Measurement image and footer note
- · Multiple tables in one popup
- · Unit switching: cm, inch, kg, lb
- · Unlimited size charts
Free
- · 2 size charts
- · Automatic unit conversion
- · Create from image with AI
- · International sizing
- · Mobile-optimized design
- · No watermark
Starter
- · 10 size charts
- · AI translations
- · Advanced design & customization
- · Everything in Free
- · Fit scale (true-to-size bar)
- · Multi-language
Growth
- · Everything in Starter
- · Unlimited size charts
Pro 100
- · 100 users/month - Unlimited fit quiz
- · AI and rule-based matching
- · AI fit quiz: Find my size
- · Everything in Growth
- · Fit finder for pets
- · Fit finder or men, women & kids
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureA size chart needs to do two things: open in a popup on the product page, and switch units. GloSize is built around those two. You set the units on the column itself, in the grid where you type the values: centimeters to inches, kilograms to pounds, or the reverse. Weight works the same way length does. Build the table once, assign it to products or a whole collection, and update it in one place.
Build size charts, size guides and fit quizzes in minutes with SmartSize AI and a modular editor. Bulk import and export, upload an image or start from templates for men, women, kids and pets. Add tabs, AI translations, unit conversion and international sizing. Turn on "Find my size", an AI fit quiz and size recommender for clothes and shoes. Shoppers answer once and are remembered on every product and visit.
- Switch units column by column: centimeters, inches, kilograms and pounds
- Show several size tables in one popup, such as tops and bottoms together
- Add a measurement guide image and a note under any chart
- Start from templates for tops, bottoms, outerwear and shoes, or from scratch
- Optimized size charts and size guides on mobile and desktop.
- Optional conversion cm / inches in every size table and size guide.
- Personalized styles that match your store's theme: font style, colors and icons.
- Templates for shirt, dress, bikini, top, bottom, shoes, jewelry and more.








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 | GloSize | Smart Size Chart & Size Guide |
|---|---|---|
| Detected stores | Not published | 2 |
| Net store change, 28 days | 0 | +1 |
| Stores added, 28 days | Not enough data | 1 |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Apparel & Accessories |
| Top store countries | Not published | Australia, United States |
Reviews
| Measure | GloSize | Smart Size Chart & Size Guide |
|---|---|---|
| App Store rating | Not published | 4.9 ★ |
| App Store reviews | Not published | 152 |
| New reviews, 28 days | Not enough data | 8 |
| Reviewers a year or more in | Not enough data | 12% |
Pricing
| Measure | GloSize | Smart Size Chart & Size Guide |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $5.99/month(ahead) | $9/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 1 | 4 |
Listing
| Measure | GloSize | Smart Size Chart & Size Guide |
|---|---|---|
| Shopify category rank | #123 | #9(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | Yes |
| Launched | Jul 30, 2026 | Jan 28, 2022 |
| Languages | 4 | 8 |
| Developer | Global Connection | SmartSize |
FAQ
GloSize and Smart Size Chart & Size Guide: common questions
- Is GloSize or Smart Size Chart & Size Guide cheaper?
- Only Smart Size Chart & Size Guide lists a free plan. Paid plans start at $5.99/month for GloSize and $9/month for Smart Size Chart & Size Guide. 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?
- Smart Size Chart & Size Guide lists 16 the others don’t mention, such as Conditional logic, Custom CSS, Custom HTML, Custom icons. 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 14, 2026 for GloSize, Nov 9, 2026 for Smart Size Chart & 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 Oct 14, 2026 for GloSize, Nov 9, 2026 for Smart Size Chart & 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.







