8 Best Smart Size Chart Alternatives for Shopify [2026]
![8 Best Smart Size Chart Alternatives for Shopify [2026]](/assets/blog/smart-size-chart-alternatives/banner.avif)
Looking for a Smart Size Chart Alternative?
Smart Size Chart & Size Guide is a popular Shopify app for size charts and a "Find my size" fit quiz. The quiz sits on its Pro plans, though, and those plans are priced by how many shoppers take it each month.
So, we compared eight other apps on their charts, their size help and how they fit into the theme, and on what else each one adds to the store. Vitals is our app, and its entry lists where it falls short.
What Is Smart Size Chart Shopify App?
Smart Size Chart & Size Guide, from SmartSize, is a Shopify app for size charts and size recommendations. Its "Find my size" quiz asks shoppers a few questions once, then shows their size on each product they open.
Here's what you can do with Smart Size Chart:
- Size charts: Pick a starting template for menswear, womenswear, kidswear, lingerie or pet gear, then add tabs and a fit scale, with bulk import and export.
- AI chart import: Turn a photo or screenshot of an existing chart into an editable one.
- Find my size quiz: Recommend a size for clothes, shoes or pets with AI and rule-based matching, and remember each shopper's answers between visits.
- Languages and units: Show charts and quizzes in 25+ languages with AI translation, along with unit conversion and international sizes.
- AI connections: Connect Claude or another AI assistant over MCP, and work alongside Shopify Sidekick and GemPages.
Where Smart Size Chart stands out is memory. A shopper who answers the quiz once sees a size on every later product, which suits clothing stores with large catalogs and repeat visitors.
Recent reviews mostly praise its support team, often for hands-on help with chart styling.
How Much Does Smart Size Chart App Cost?
Prices from smartsize.io on Oct 26, 2026, with a 14-day free trial.
Why Shopify Merchants Look for Smart Size Chart Alternatives
Smart Size Chart & Size Guide holds a 4.9 rating from 150 reviews and is Built for Shopify. Even so, a few gaps lead stores to compare it with other apps:
- Sizing is all it handles, which leaves restock alerts, product reviews and bundles to a separate app each
- The fit quiz is a Pro feature, and Pro climbs with quiz users, from $19 for 100 a month to $499 for 10,000
- Once a store passes its quiz quota, the quiz keeps working, but each recommendation takes about five seconds longer until the store upgrades
- Starter publishes 10 charts, and unlimited charts begin on Growth
For stores that would rather manage fewer apps and pay one bill, a switch is worth weighing.
Read: Best Size Chart Apps for Shopify in 2026
How We Compared the Smart Size Chart Alternatives
We read each app's live Shopify App Store listing on the day of writing, along with its help docs, website and changelog where available. Ratings and review counts come from the listings.
We compared the apps on:
- App type, standalone or all-in-one, as each listing presents it
- Sizing features: how charts get made or imported, how sizes are suggested, and unit and language options
- Where each app shows up on the store, from product pages to other pages
- How many single-purpose apps each option can stand in for
- How each app connects to the theme and what it loads on the storefront
- AI features and MCP connections for assistants such as Claude
Short Answer
Vitals - All in One App is the best Smart Size Chart alternative for most stores.
- It gives shoppers size charts and a size calculator and lets them sign up for an alert when a size sells out, while Smart Size Chart covers sizing alone and leaves restock alerts to another app
- It includes 40+ apps, such as reviews, bundles and discounts, in one subscription of $29.99/month
- It replaces multiple single-purpose apps that you would otherwise install and pay for every month
Smart Size Chart's Starter and Growth plans cost less, and it has a free plan, so Vitals is the bigger monthly cost at first. In return, that one Vitals plan covers size charts, product reviews, restock alerts, bundles and more than 40 apps in total.
What Are the Top Smart Size Chart Alternatives for Shopify in 2026
The table puts all eight side by side, and each app gets a full entry after it.
1. Vitals - All in One App
Best for: Stores that want Size Chart, Back in Stock Alerts, Product Reviews and Bundles plus 40+ apps in one subscription
Rating: 4.9 (2,981 reviews) | App type: All-in-one | Free trial: 7 days | Built for Shopify: Yes
Vitals is our app. Size charts sit among its 40+ apps, next to reviews, bundles and discounts, and all of them come in one subscription of $29.99/month.
Vitals Size Chart app places a Size Chart button on each product page, and a click opens the chart in a pop-up, built as a table or from a picture of an existing chart.
Shoppers who'd rather not read a table can use its size calculator, added in October 2026. It asks for their measurements and picks the matching size from the chart, though unlike Smart Size Chart's quiz it doesn't remember their answers between products. When the matching size is out of stock, shoppers can sign up for a restock alert through Back in Stock, a second Vitals app.
Key features:
- Table charts typed or pasted into an editor, or image charts uploaded or chosen from Shopify Files
- An optional size calculator that reads the table and gives shoppers a size from their chest, waist, hip or foot measurements, in cm or inches
- Measuring instructions with text and pictures, shown above or below each chart
- Targeting by product or collection, or every product at once, with a product's chart overriding its collection's
- Styling for the button, the table borders and the pop-up, plus placement by the description, the buy buttons or a chosen theme element
- Restock alerts for sold-out sizes from the Vitals Back in Stock app
Pros:
- Restock alerts, reviews and bundles share one plan with the size charts
- If a theme puts the button in the wrong spot, Vitals support can place it for the store
- 40+ apps in one subscription (e.g., the baby clothing store Little Dresser now gets its size chart and its other store apps from one Vitals plan)
- The read-only Vitals MCP lets Claude or ChatGPT go through product reviews, for example to find items shoppers say fit large
Cons:
- Chart tables and measuring guides aren't translated; only the button label and chart titles are
- Works on Shopify only
Pricing:
Prices from the Vitals website on Oct 26, 2026, with a 7-day free trial.
Read: Best Back in Stock Apps for Shopify in 2026
2. MP Size Chart & Size Guide
Best for: Stores that want shoppers to browse all their size guides on one store page
Rating: 5.0 (875 reviews) | App type: Standalone | Free trial: 14 days | Built for Shopify: Yes
MP Size Chart & Size Guide is Shopplaza's size chart app, built by the team behind Mageplaza. Along with charts on product pages, it creates a size guide page where shoppers can check every chart in one place.
Key features:
- 30+ templates covering clothing, shoes, jewelry and pet products
- Charts that hold images, videos and tabs
- CSV import for moving many charts at once
- Four display styles: floating, inline, dropdown and next to the size option
- A size guide page that gathers every chart
- AI size recommendations, with a monthly cap on each plan
- Unit conversion and several size labels for international shoppers
- Charts in 20+ languages, auto-translated from Growth up
Pros:
- AI recommendations come with every plan, while Smart Size Chart keeps its quiz for Pro
- The developer moves charts over from another app at no charge
- Built for Shopify
Cons:
- Growth publishes up to 10 charts
- AI recommendations are capped at 800, 2,000 or 5,000 a month, by plan
- Size charts and guides only; back-in-stock alerts, reviews and bundles call for other apps
Pricing:
Prices from the Shopify App Store listing on Oct 26, 2026, with a 14-day free trial. Pro and Advanced have no chart limit.
3. Kiwi Size Chart & Recommender
Best for: Stores selling sized gear beyond clothing, such as boards or pet collars, that need a recommender for each
Rating: 4.7 (1,244 reviews) | App type: Standalone | Free trial: 14 days | Built for Shopify: No
Kiwi Size Chart & Recommender, from Staytuned, has been on the App Store since 2018. Its custom recommenders can be set up for almost any sized product, from shoes to snowboards, on top of an AI recommender for clothing.
Key features:
- Size charts from 22 templates, mixing tables, images, videos and tabs
- Chart import from images, product description text or CSV
- An AI recommender for clothing sizes
- Custom recommenders for products such as footwear and snowboards, from Plus
- Product and collection rules that give new products a chart automatically
- Measurement units that follow the shopper's location
- Auto-translation, from English and Spanish on Premium to 22 languages on Ultimate
Pros:
- Custom recommenders for gear such as snowboards, beyond the clothes, shoes and pets Smart Size Chart's quiz covers
- Builds charts from size text already sitting in product descriptions
- Reports on recommender performance, from Plus
- Google Analytics integration, from Premium
Cons:
- Plus and Ultimate add a fee on every store order from the past 30 days, topping out at $350 (Plus) or $700 (Ultimate) past 20,000 orders. Reviews from 2026 describe bills that jumped after an upgrade
- Not Built for Shopify, and it stops at sizing, leaving restock alerts, reviews and bundles to other developers
Pricing:
Prices from kiwisizing.com on Oct 26, 2026, with a 14-day free trial. The order-based fee on Plus and Ultimate starts in the second billing month.
4. Jotly Size Chart & Size Guide
Best for: Stores that judge each chart by the add-to-carts it brings in
Rating: 5.0 (78 reviews) | App type: Standalone | Free trial: 7 days | Built for Shopify: Yes
Jotly Size Chart & Size Guide arrived in August 2024, which makes it the youngest app on this list. Its top plan reports which charts shoppers view most and which ones come before an add-to-cart.
Key features:
- 123 templates that mix tables, images and videos
- Unit switching across cm, inches, mm, feet and meters
- Chart rules by product, collection, tag and vendor
- A size scale bar that shows how true to size an item is
- Google and Meta Pixel tracking, from Essentials
- AI translation on Global, plus an MCP assistant and chart rankings by views and add-to-carts on Enterprise
Pros:
- Enterprise splits chart views between mobile and desktop
- Several size guides can sit on one product page, on Enterprise
- Built for Shopify
Cons:
- No fit quiz or size recommender, which Smart Size Chart offers on Pro
- MCP and chart reporting need Enterprise, the top plan
- Size charts are its whole scope; reviews, restock alerts and bundles need more apps
Pricing:
Prices from the Shopify App Store listing on Oct 26, 2026, with a 7-day free trial. Every paid plan has unlimited charts.
5. CSC Size Chart & Size Guide
Best for: Clothing stores that want shoppers to preview items on their own photo
Rating: 5.0 (100 reviews) | App type: Standalone | Free trial: 14 days | Built for Shopify: Yes
CSC Size Chart & Size Guide is TaskHusky's app, also known as Clean Size Charts. Its highest plan pairs charts with virtual try-on, where shoppers can upload a photo and see a product on themselves.
Key features:
- Charts generated in one click from product data
- 18 starter templates for shirts, pants, dresses, shoes and rings
- Auto-assignment by collection, vendor or product type
- AI size recommendations, capped at 500 a month on Advanced, with no cap on Plus
- Fit notes that describe how each item fits, on Plus
- Virtual try-on with the shopper's own photo, on Plus
- Charts that change by country, with unit conversion
- Setup done by the developer's team on every plan
Pros:
- The only app in this lineup with virtual try-on
- Fit notes add context a chart alone can't give
- Free chart migration from the app a store is leaving
- Built for Shopify
Cons:
- Try-on and fit notes sit on Plus, which is priced by monthly store orders
- Covers sizing and try-on; reviews, back-in-stock alerts and bundles require separate apps
Pricing:
Prices from the Shopify App Store listing on Oct 26, 2026, with a 14-day free trial.
6. GA: Size Chart & Size Guide
Best for: Stores whose shoppers compare sizes between products before choosing
Rating: 4.7 (73 reviews) | App type: Standalone | Free trial: 7 days | Built for Shopify: No
GA: Size Chart & Size Guide comes from GoodApps. It surrounds the chart with comparison tools, so shoppers can line up one product's sizes against another's.
Key features:
- Templates that include ring and shoe guides
- Size swatches and a size selector
- True-to-size notes and a lazy size option
- Comparison charts that set sizes from different products side by side
- Floating charts, collection page charts and custom CSS
Pros:
- Size comparisons across products, which Smart Size Chart doesn't list
- Charts can appear on collection pages
- Each paid plan lists the same features, and plans differ by order count only
Cons:
- Priced by store orders, with no plan listed above 100 orders a month
- Not Built for Shopify
- Low-star reviews from 2024 mention charts that didn't display as set up and slow support replies
- Charts are all it offers, so a store adds restock alerts, reviews and bundles separately
Pricing:
Prices from the Shopify App Store listing on Oct 26, 2026, with a 7-day free trial.
7. BF Size Chart & Size Guide
Best for: Stores that build product options with VO Product Options and want a chart app from the same team
Rating: 4.7 (134 reviews) | App type: Standalone | Free trial: 14 days | Built for Shopify: Yes
BF Size Chart & Size Guide, once called Best Fit Size Charts, is made by Relentless Apps, which also makes VO Product Options. It sticks to classic charts built from text boxes and images, with ring charts for jewelry.
Key features:
- Text boxes, images and measurement guides inside each chart
- Rules by collection and product tag
- Cm and inch conversion
- More than one chart on a product, from Starter
- A chart link beside the size label, from Starter
- Chart import and export, from Starter
Pros:
- Comes from the developer of VO Product Options and lists Vajro among the apps it works with
- Built for Shopify
Cons:
- No recommender on any plan, despite "fit finder" in its listing
- A March 2026 review reports express checkout buttons hidden on products with several variants
- Charts are its whole scope; reviews, restock alerts and bundles need other apps
Pricing:
Prices from the Shopify App Store listing on Oct 26, 2026, with a 14-day free trial. Starter holds 10 charts, Premium 100, and Unlimited has no cap.
8. ESC Size Charts
Best for: Stores that want plain charts storewide or by tag, with no chart cap on the paid plan
Rating: 3.3 (138 reviews) | App type: Standalone | Free trial: 7 days | Built for Shopify: Yes
ESC Size Charts is the size guide app from Eastside Co, a Shopify agency, and it has been listed since 2016. It keeps things simple, with charts built from a template or from scratch and shown by tag or across the store.
Key features:
- Charts from templates or built from scratch, with images, icons and text
- Charts shown across the whole store, or matched to products through tags, collections, vendors or product types
- App blocks for Shopify 2.0 themes
- Import and export on Premium
Pros:
- One paid plan with no limit on charts
- Storewide display for stores that use one chart everywhere
- Built for Shopify
Cons:
- Rated 3.3; reviews from June to October 2026 report charts that stopped showing and support emails with no reply, and one says the company appears to have closed
- Lists no recommender, unit conversion or translation, and restock alerts, reviews and bundles need other apps
Pricing:
Prices from the Shopify App Store listing on Oct 26, 2026, with a 7-day free trial.
How Many Apps Each Option Replaces
Each app a store adds brings another login, another invoice and more code on the storefront, a point our roundup of all-in-one Shopify apps covers in more depth. This is how far each option reaches.
How we counted it:
- Vitals - All in One App can stand in for 40+ single-purpose apps, a size chart app, a back-in-stock app, a reviews app and a bundles app among them
- MP Size Chart & Size Guide takes the place of a chart app plus a separate size recommender
- Kiwi Size Chart & Recommender handles what a chart app and a recommender app would do apart
- Jotly Size Chart & Size Guide does the work of a single chart app
- CSC Size Chart & Size Guide brings a chart app, a recommender and a try-on app together
- GA: Size Chart & Size Guide stands in for one chart app, swatches included
- BF Size Chart & Size Guide counts as one chart app, with ring sizes built in
- ESC Size Charts takes the place of one chart app
- Smart Size Chart & Size Guide combines a chart app with a fit quiz app
Smart Size Chart plus a restock alert app and a reviews app means three scripts loading on product pages. Vitals handles those three from one script and one bill.
When Should You Stay on Smart Size Chart
Smart Size Chart & Size Guide still suits some stores better.
- You want the fit quiz to remember each shopper, so they see a size on every product without answering again
- Your shoppers often don't know their measurements, and you want a quiz that estimates them from a few questions
Switch when size charts, a size calculator, restock alerts, reviews and bundles in one Vitals subscription matter more than a saved shopper profile.
How to Migrate From Smart Size Chart
Smart Size Chart stores your charts, where each one shows and your quiz setup, so move the charts before removing the app.
- Export your charts with Smart Size Chart's bulk export, or copy each table, and note which products and collections each chart covers
- Switch on the Vitals Size Chart app and add each chart, pasting the table into the editor or uploading an image of it
- Point each chart at the same products and collections; a product's own chart wins over its collection's
- Switch on the size calculator for charts with body measurements. It keeps no shopper profile, so shoppers will enter their measurements on each product
- On a duplicate theme, place the Size Chart button and check it on mobile. Then switch on the Vitals Back in Stock app so sold-out sizes collect alert sign-ups
- Remove Smart Size Chart's app blocks and its "Find my size" button from the theme, then uninstall the app
Shopify stores such as Little Dresser, which sells baby and kids' clothing, have replaced many single-purpose apps with a Vitals subscription.
Read: Best Review Apps for Shopify in 2026
Find the Best Smart Size Chart Alternative for Your Store
Vitals - All in One App fits most stores best, but the right choice turns on what you want Smart Size Chart to do differently.
- Vitals, if a size calculator, charts, restock alerts, bundles, discounts and 40+ apps in one single subscription of $29.99/month suit you
- MP Size Chart & Size Guide, if a single page with every chart would help your shoppers
- Kiwi Size Chart & Recommender, if you sell boards, pet collars or other gear that needs its own sizing logic
- Jotly Size Chart & Size Guide, if you want numbers on which charts lead to sales
- CSC Size Chart & Size Guide, if seeing clothes on their own photo would help shoppers decide
- GA: Size Chart & Size Guide, if shoppers weigh sizes between products
- BF Size Chart & Size Guide, if VO Product Options already builds your product options
- ESC Size Charts, if plain charts by tag are all you need
Start a 7-day free trial: Install Vitals - All in One App
Frequently Asked Questions
1. Which app is the best alternative to Smart Size Chart on Shopify?
Vitals - All in One App is the best Smart Size Chart alternative for most stores. It's the only all-in-one app that includes 40+ apps, such as size charts, restock alerts, reviews and bundles, in one subscription. Vitals is our app, and we've listed its gaps in its entry.
2. Why do merchants switch from Smart Size Chart?
Some want restock alerts, reviews or bundles from the same app as their charts. Others watch the Pro price climb with quiz users, from $19 for 100 shoppers a month to $499 for 10,000, or notice slower recommendations once the quota is used up.
3. Is Vitals or Smart Size Chart better for size charts?
Both build charts from tables or images and suggest a size from a shopper's measurements. Smart Size Chart adds a quiz that remembers each shopper, AI chart import from a photo and AI translation of chart content. On the Vitals side, the same plan adds restock alerts when a size sells out, product reviews and bundles as the charts, along with dozens of other apps.
4. Can one Vitals subscription take over from Smart Size Chart and other apps?
Yes. Vitals can take over size charts and size suggestions from Smart Size Chart, and replace separate apps for restock alerts, product reviews and bundles too.
5. Do these Smart Size Chart alternatives slow a store down?
A size chart app adds its own code to product pages, and so does each other app installed next to it. Vitals serves its size charts, reviews and other apps through one script. We didn't measure these apps' speed, so compare your product pages before and after you switch.
6. Which Smart Size Chart alternatives use AI or connect through MCP?
Not all of them. Jotly's Global plan translates charts with AI, and its Enterprise plan adds an MCP assistant. MP Size Chart gives AI size recommendations, Kiwi has an AI recommender for clothing, and CSC recommends sizes with AI and builds charts from product data. Vitals has a read-only MCP that lets Claude or ChatGPT read product reviews and other store data. GA, BF and ESC list no MCP, and none of the three describes an AI feature.
7. Which Smart Size Chart alternatives show charts in other languages?
Not all of them. MP Size Chart covers 20+ languages and auto-translates from Growth, Kiwi auto-translates on every paid plan, Jotly translates on Global, and CSC adds languages from Advanced. Vitals translates the button label and chart titles, while the table shows as written. GA, BF and ESC list no translation.
8. How do I move from Smart Size Chart to Vitals?
Export or copy your charts and add them to the Vitals Size Chart app with the same product and collection targets. Switch the calculator on, test the button on a duplicate theme, then remove Smart Size Chart's blocks and uninstall it.
