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Smart Size Chart & Size Guide icon

Shopify app

LeaderBuilt for Shopify

Smart Size Chart & Size Guide

Size charts, size guides & an AI fit finder to...

Rating on Shopify
4.9(150)
Reviews
150
Developer
SmartSize
Launched
January 28, 2022
Pricing
Free plan available. Free trial available.
Languages
English, French, Spanish, German, Italian, Dutch, Portuguese (Brazil), Portuguese (Portugal), Swedish, Chinese (Simplified)

View on the Shopify App Store

The facts

Every value below is read from the listing or computed by the published formula. Nothing is a verdict.

Rank in Product comparison

#3 of 249

See the ranked table

Rank in Product variants

#38 of 543

See the ranked table

Bayesian rating

4.84

category median 4.73

Reviews in the last 180 days

3

from the 3 reviews on the listing page

1 and 2 star share

1%

1 of 150

Starting price

$9/month

band: Under $10 · 14-day trial

Pricing plans as listed on Shopify

All charges are billed in USD. Recurring and usage-based charges are billed every 30 days. See all pricing options

PlanPriceBilled yearlyTrialUsage feeIncluded
FreeFreenot offerednonenone stated2 size charts; Pre-made templates men, women, kids, pet; Create from image with AI; Automatic unit conversion; International sizing; Mobile-optimized design; No watermark
Starter$9/month$86.40/year14 daysnone statedEverything in Free; 10 size charts; Multi-tabs on size charts; Fit scale (true-to-size bar); Multi-language; AI translations; Advanced design & customization; Priority email and chat support
Growth$12/month$115.20/year14 daysnone statedEverything in Starter; Unlimited size charts
Pro 100$19/month$182.40/year14 daysnone statedEverything in Growth; AI fit quiz: Find my size; 100 users/month - Unlimited fit quiz; Fit finder or men, women & kids; Fit finder or men, women & kids; Fit finder for pets; AI and rule-based matching; Multi-language quiz flows

Rating distribution

150 ratings on the listing when last refreshed.

  • 5 stars144(96%)
  • 4 stars5(3%)
  • 3 stars0(0%)
  • 2 stars0(0%)
  • 1 star1(1%)

Latest reviews

The 3 most recent of 3 on-page reviews, quoted to at most 25 words each. Full reviews are on the Shopify listing.

  • 5 starsOct 12, 2026Sincerely, GodUnited StatesOver 1 year using the app

    "Super easy to use and set up! Everything works smoothly, and we haven’t had any issues at all. It makes creating and managing size charts ..."

    Developer replied. Read on Shopify

  • 5 starsSep 6, 2026Athlétic ElegancéAustraliaAbout 2 hours using the app

    "Huge shoutout to Leslie and the rest of the team! They were exceptionally fast, friendly, and an absolute joy to work with. The app itself ..."

    Developer replied. Read on Shopify

  • 5 starsAug 26, 2026Yes FriendsUnited Kingdom3 months using the app

    "We recently switched to Smart Size after using our own size guides and it has really helped to streamline the appearance of our product pages ..."

    Developer replied. Read on Shopify

Features Shopify lists for this app

Feature handles from the listing, grouped as Shopify groups them.

Comparison tools

  • Comparison page
  • Comparison table
  • Pop-ups
  • Size charts
  • Virtual try-on
  • Multi-product
  • Variants
  • Specifications
  • Recommendations
  • AI recommendations
  • Search
  • Filter and sort
  • Highlight differences
  • Show and hide
  • Images
  • Videos
  • Analytics

Display options

  • Drag and drop editor
  • Table layout
  • Custom CSS
  • Color and font
  • Custom icons
  • Custom text
  • Templates
  • Import and export
  • Floating chart
  • Unit conversion
  • Multi-language
  • Translation
  • Product page
  • Mobile responsive

Customization

  • Swatches
  • Conditional logic
  • Fonts
  • Dimensions
  • Dropdowns
  • File upload
  • Multi-select
  • Custom text
  • Custom CSS
  • Custom HTML
  • Size charts
  • Preview
  • Translation
  • Import and export
  • Variants display

Works with

Third-party integrations link to their hub when 5 or more apps name them. Shopify's own surfaces are listed separately and never counted as integrations.

Shopify surfaces: Checkout, Shopify Admin

Data access

As disclosed on the listing. Never scored.

View customer data

Device and activity data

  • Device and activity data: Geolocation, IP address, browser and operating system, browsing behavior, client ID cookie

View staff and contributor data

Store owner

  • Store owner: Name, email address, phone number, physical address

View and edit store data

Customers, products, orders, store analytics, Online Store, Shopify admin

  • View customers: Browsing behavior
  • Edit products: Product listings, products, collections
  • Edit orders: All order history for the last 60 days
  • Edit store analytics: Web pixels
  • Edit Online Store: Theme, checkout page
  • Edit Shopify admin: Files
  • View other data: Locales, Shopify Markets settings

Developer

SmartSize

Apps in the dataset:
1
Address:
Nuernberg, DE
Website:
smartsize.io
Support email domain:
smartsize.io
English support:
yes
Resources:
Privacy policy, FAQ, demo store

Similar apps

Shopify's own similar-apps list first, then apps in the same category that share the most feature handles.

From the Shopify listingDeveloper claims, shown verbatim and collapsed. 102 words.Show
  • Size chart templates for men, women, kids, lingerie and pets. Bulk import/export
  • AI builds a size guide from a photo or screenshot of your existing chart
  • “Find my size” AI fit finder: shoppers answer once, get their size everywhere
  • Size charts and size quiz in 25+ languages. AI translation, unit conversion
  • Drag-and-drop size guide blocks. The button places itself, or we set it up

Size charts, size guides and a “Find my size” AI size recommender, built in minutes

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. Buttons auto-place on any theme, or we set it up.

Connect Claude or any AI via MCP.

Questions and comments

Questions people ask about Smart Size Chart & Size Guide, answered from what this page shows. Entries marked Site editor are written by the EcomAppReviews editor. Reader comments appear after a person has read and approved them, usually within a day. E-mail addresses are never published.

Ask a question or share what worked for your store

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Last updated Oct 23, 2026. Ratings and review counts are the values shown on each app's public listing. How the numbers are computed: methodology.

150 reviews counted on the listing. Rating and count in the structured data are the values Shopify displayed when the listing was last refreshed.