Staytuned is a Shopify app developer based in the United States that makes Kiwi Size Chart & Recommender, a product comparison app on the Shopify App Store. It provides a size chart app for Shopify merchants. Among the 15,357 Shopify brands over $5M that dtcmvp tracks, 647 (4.2%) run Kiwi Size Chart & Recommender, more than any other product comparison app. Its share is highest among Fashion & Apparel (10.8%) and Sports & Outdoors (5.2%) brands. It is rated 4.7 out of 5 from 1,246 reviews on the Shopify App Store. It carries Shopify's Built for Shopify badge. Kiwi Size Chart & Recommender has 4 plans on the Shopify App Store, from free to $26.99 a month. Some plans add usage charges on top, listed with each plan.
Kiwi Sizing adds size charts and an ai fit recommender to your Shopify product pages, so shoppers pick the right size before they buy. Best fit for apparel and footwear brands where size-related returns and PDP bounce are eating into margin.
What Kiwi Sizing does for Shopify brands
- Fit recommender on the PDP steers shoppers to the right size, cutting size-related returns
- Recommendation closes shoppers who would bounce on size uncertainty, lifting CVR
- 50-70% of apparel returns are fit or size related (Narvar, Loop, Optoro)
Overview
Kiwi Sizing sells Kiwi Size Chart & Recommender, a Shopify app for creating size charts and size recommenders on product pages. It addresses the problem of merchants having to build and maintain size charts by hand, convert units, and help shoppers choose a size, with the aim of reducing returns.
- Built for
- Shopify merchants selling products where size matters, such as apparel, shoes, rings, pet products and snowboards.
- Pricing
- A free plan allows up to 3 size charts. Paid plans are Premium at $7.99/month, Plus at $14.99/month and Ultimate at $26.99/month, each with a 14-day free trial. Plus and Ultimate add usage charges based on monthly order volume, and annual billing is available.
Products
- Size Charts Create size charts from templates and publish them on Shopify product pages, with unit conversion.
- Apparel Size Recommender Uses machine learning to suggest a size to shoppers from a few details they enter.
- Custom Size Recommender Size recommender for any product category, from footwear to snowboards.
- Size chart and recommender translations Auto-translates size charts and recommenders into other languages.
- Analytics In-app analytics for size charts and size recommender performance.
Integrations
Buyer notes
- Paid plans include a 14-day free trial and can be canceled anytime.
- Usage charges on Plus and Ultimate are waived in the first billing month.
- Auto-translation covers 2 languages on Premium, 6 on Plus and 22 on Ultimate.
- Support is offered through a help center and email, and the app has a Built for Shopify badge.
From Kiwi Sizing's own site and Shopify App Store listings, as of 2026-10-21.
Among Shopify brands over $5M
Share of each sector's brands running it, where that beats the overall rate.
On the Shopify App Store
Kiwi Size Chart & Recommender
4.7 · 1,246 reviewsBuilt for ShopifyFree planPaid from $7.99/moOn 4.2% of brands over $5MLaunched 2018Product comparisonKiwi helps increase sales and lower returns with size recommendation systems and size charts, perfect for the holiday gifting season.
Pricing
Free PlanFree- Publish Up to 3 Size Charts
- Responsive, Dynamic Size Charts
- Fully Customizable Design
- Choose from 22 Pre-built Templates
- +3 more
Premium$7.99/monthNo additional monthly charges. Import credits are optional add-ons when needed.
- Everything on FREE, PLUS:
- Publish Up to 10 Size Charts
- Advanced Layout & Design Options
- Google Analytics Integration
- +2 more
14-day free trialPlus (Popular)$14.99/monthAdditional charges apply based on order volume. Import credits are optional add-ons when needed.
- Everything on Premium, PLUS:
- Publish Up to 20 Size Charts
- Create Up to 10 Custom Size Recommenders
- Size Recommender Performance Analytics
- +1 more
14-day free trialUltimate$26.99/monthAdditional charges apply based on order volume. Import credits are optional add-ons when needed.
- Everything on Plus, PLUS:
- Unlimited Size Charts
- Unlimited Size Recommenders
- Auto-translate into 22 languages
14-day free trial
Ratings, reviews, plans, prices and descriptions as the Shopify App Store lists them. how we count.
Alternatives to Kiwi Sizing
The most used product comparison apps among Shopify brands over $5M.
| App | Brands over $5M | App Store |
|---|---|---|
| ESC Size Charts · Eastside Co® | 0.7% | 3.3 · 140 |
| MP Size Chart & Size Guide · Shopplaza | 0.6% | 5.0 · 871 |
| BF Size Chart & Size Guide · Relentless Apps | 0.5% | 4.7 · 137 |
| Bear Specs & Comparison Tables · Bear Apps | 0.5% | 4.8 · 47 |
| Smart Size Chart & Size Guide · SmartSize | 0.3% | 4.9 · 146 |
| Comparable · Svir | 0.3% | 5.0 · 9 |
Often used with Kiwi Sizing
What its brands run more often than Shopify brands over $5M do overall.
- Easy Tabs11.1% of its brands · 18x average
- Loop Returns & Exchanges25% of its brands · 2.5x average
- Yanet10.2% of its brands · 2.2x average
- Amp Back in Stock & Preorder +19% of its brands · 1.9x average
- Swym Back in Stock Alerts13.1% of its brands · 1.7x average
What Shopify apps does Staytuned make?
Staytuned has 1 app on the Shopify App Store: Kiwi Size Chart & Recommender.
How many Shopify brands use Staytuned?
Among the 15,357 Shopify brands over $5M that dtcmvp tracks, 647 (4.2%) run Kiwi Size Chart & Recommender, more than any other product comparison app. Its share is highest among Fashion & Apparel (10.8%) and Sports & Outdoors (5.2%) brands.
What are the alternatives to Staytuned?
The most used product comparison apps among Shopify brands over $5M, after Staytuned: ESC Size Charts (0.7%), MP Size Chart & Size Guide (0.6%), BF Size Chart & Size Guide (0.5%), Bear Specs & Comparison Tables (0.5%), Smart Size Chart & Size Guide (0.3%) and Comparable (0.3%).
What do Staytuned's brands use alongside it?
Of the brands running Staytuned, 11.1% also run Easy Tabs, 25% also run Loop Returns & Exchanges, 10.2% also run Yanet, 19% also run Amp Back in Stock & Preorder + and 13.1% also run Swym Back in Stock Alerts. Each is at least 1.7 times as common among them as across all brands over $5M.
How is Kiwi Size Chart & Recommender rated?
Kiwi Size Chart & Recommender is rated 4.7 out of 5 from 1,246 reviews on the Shopify App Store.
How much does Staytuned cost?
Kiwi Size Chart & Recommender has 4 plans on the Shopify App Store, from free to $26.99 a month. Some plans add usage charges on top, listed with each plan. Kiwi Size Chart & Recommender: Free Plan, Free; Premium, $7.99/month (No additional monthly charges. Import credits are optional add-ons when needed); Plus (Popular), $14.99/month (Additional charges apply based on order volume. Import credits are optional add-ons when needed); Ultimate, $26.99/month (Additional charges apply based on order volume. Import credits are optional add-ons when needed).
