Smart Size Chart & Size Guide
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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.
- 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
- Popular with stores like yours
- Based in United States
Languages
English, French, Spanish, German, Italian, Dutch, Portuguese (Brazil), Portuguese (Portugal), Swedish, and Chinese (Simplified)
Works with
- Shopify Admin
- Claude
- Codex
- Color Swatch King: Variants
- Gempages
- MCP
- Sidekick
Categories
Comparison tools
Pricing
Choose the plan that best fits your business.
Free
Free
Features
- 2 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
or $86.40/year and save 20%
Features
- Everything 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
14-day free trial
Growth
$12 / month
or $115.20/year and save 20%
Features
- Everything in Starter
- Unlimited size charts
14-day free trial
Pro 100
$19 / month
or $182.40/year and save 20%
Features
- Everything 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
14-day free trial
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days. See all pricing options
Reviews (146)
What merchants think
This is generated by Shopify Magic. It's shown when an app has 100+ reviews and at least a 4.0 overall rating.
This is generated by Shopify Magic. It's shown when an app has 100+ reviews and at least a 4.0 overall rating.
Feedback submitted
Merchants describe this app as very easy to set up, no‑code, and visually clean, fitting well into different themes. They highlight strong impact on reducing sizing questions and wrong‑size returns, with some citing up to ~80% fewer returns. Key features include customizable size charts, a fit‑finder quiz, flexible placement, and media support. Support is frequently praised as fast, friendly, and proactive, with helpful customizations and feature additions.
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 so simple. We’re really hoping this helps our customers find the right size more confidently and reduces returns and exchanges. Fingers crossed and praying it makes a difference! Highly recommend!
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 is fantastic, and the new AI addition makes setting everything up and managing the app so much easier. The customer service truly goes above and beyond. Highly recommend to any store owner looking for top-tier support and a great size chart solution!
Thank you so much for the amazing feedback! We’ll make sure Leslie sees your shoutout. It’s especially great to hear that the new AI features are making SmartSize easier to set up and manage, that’s exactly what we hoped to achieve with them.
Thanks for choosing SmartSize and for such a generous recommendation. We’re very happy to have Athlétic Elegancé with us!
— The SmartSize Team
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, and is much more user friendly. It included most of the key features we were looking for, and the team have been so helpful and responsive with any specific changes or issues we've encountered. Thank you!
Thank you so much for the kind review! We’re really happy to hear that SmartSize has helped streamline your product pages and make your size guides more user-friendly.
It’s also been a pleasure working with you on the specific changes you needed. We really appreciate your support and are always here if you need anything! 😊
— The SmartSize Team
Support
App support provided by SmartSize.
Data access
This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .
View customer data:
Device and activity data
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Device and activity data
Geolocation, IP address, browser and operating system
View staff and contributor data:
Store owner
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Store owner
Name, email address, phone number, physical address
View and edit store data:
Products, orders, Online Store, Shopify admin
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Edit products
Product listings, products, collections
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Edit orders
All order history for the last 60 days
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Edit Online Store
Theme
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Edit Shopify admin
Files
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View other data
Locales, Shopify Markets settings
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