Size charts and fit
Kiwi Size Chart & Recommender review
Add size charts and size recommendations to help shoppers choose the right fit.
Sizing questions or fit-related returns are a recurring problem.
Think twice ifRecommendations are only as useful as your product measurements. Fix missing or inconsistent size data first.
- Setup estimate
- Moderate setup
- Pricing checked
- Guide researched
What you can use it for
- Product and collection size charts
- Fit and size recommendations
- Unit conversion and market-specific display
- Reusable chart and product rules
Product details, capabilities and integrations
Kiwi Size Chart & Recommender is a Shopify app for helping customers choose the right product size using charts, measurements and fit recommendations. This guide separates the useful day-to-day job from the wider feature list so you can judge the operational fit before installing it.
Connections to check: Shopify product pages, Theme app blocks, Shopify Markets, Product metafields. Confirm that your plan includes the connections you need.
How much does Kiwi Size Chart & Recommender cost?
Free publishes three size charts. Premium includes 10 charts and Plus 20 charts with up to 10 custom recommenders. Import credits are optional add-ons.
Pricing checked .Check current official pricing ↗Work out your monthly and yearly app costs, including usage fees and setup.
What should you compare it with?
Shopify product metafields ESC Size Charts
See all size charts and fit options →Getting started with Kiwi Size Chart & Recommender
What you need before installing
Have these ready
- A measured baseline for fit-related return rate
- A person responsible for setup, testing and ongoing review
- A documented rollback route if the customer journey breaks
Decisions to make first
- The single customer or operational problem to solve first
- Which products, markets and customer groups are included
- What result would justify keeping the app after the trial
- Which existing app or Shopify feature owns any overlapping job
Open the detailed setup guide (5 steps)
Define the first job
Write down the exact problem Kiwi Size Chart & Recommender should solve, the customers or products in scope and the current fit-related return rate.
Follow the official instructions ↗Configure the smallest useful version
Audit product measurements, build one chart for a high-return product group and add a recommendation questionnaire only when the data supports it.
Follow the official instructions ↗Check the connected journey
Review the storefront, Shopify admin, notifications, reports and any connected platforms. Remove duplicate features before publishing.
Follow the official instructions ↗Run realistic tests
Check chart assignment, units, mobile readability, localisation, missing data and representative recommendation results with real product measurements.
Follow the official instructions ↗Measure before expanding
Run the controlled setup long enough to compare fit-related return rate and size-guide engagement rate with the saved baseline. Expand only when the evidence supports it.
Follow the official instructions ↗How to use and review it after launch
How to decide whether it is working
Check that the app still works after changes to your theme, checkout or connected tools. Review the result you installed it for, alongside its cost.
- Fit-related return rate
- Size-guide engagement rate
- Product conversion rate
- Recommendation completion rate
Keep it if it solves a real problem. Simplify or remove it if the extra cost and work are not worthwhile.
Things to check before installing
- Recommendations are only as useful as your product measurements. Fix missing or inconsistent size data first.
- A recommendation cannot correct inaccurate product measurements.
- Extra questions can add friction if the model does not improve confidence.
More limitations and common mistakes
- Fit performance should be checked by product and market.
- Installing Kiwi Size Chart & Recommender without recording a baseline for fit-related return rate.
- Switching on every available feature before the core journey has been tested.
- Treating app-reported revenue or activity as incremental without a controlled comparison.
Common questions
Is Kiwi Size Chart & Recommender the right choice for every Shopify store?
No. It is strongest when sizing questions or fit-related returns are material. Stores that one clear theme table already solves the need should compare the alternatives before installing.
How should I test Kiwi Size Chart & Recommender?
Record the relevant baseline, launch the smallest useful configuration, check the complete customer journey and compare the agreed metric after enough traffic or orders have accumulated.
How much work does Kiwi Size Chart & Recommender take to set up?
Moderate setup is the current planning guide. Before installing it, confirm a measured baseline for fit-related return rate, a person responsible for setup, testing and ongoing review, a documented rollback route if the customer journey breaks, then test the complete customer and operational journey.
What should I measure after launching Kiwi Size Chart & Recommender?
Start with fit-related return rate, size-guide engagement rate, product conversion rate. Compare those measures with the pre-launch baseline and include app cost and operating time.
Sources and how we put this guide together
This is a research-based guide, not a claim that we have personally tested every feature. Prices and product availability can change.
- Kiwi Size Chart & Recommender current pricingChecked 2026-09-07
- Kiwi Size Chart & Recommender official websiteChecked 2026-08-21