Easysize or ZeDaq.ai? Sizing Tools Compared

Easysize and ZeDaq.ai both recommend sizes on fashion product pages, but they collect different information: Easysize's Fit Quiz asks the shopper a few questions, while ZeDaq.ai measures the shopper from one photo and their height. Choose Easysize if you want a quiz with no photos and deep fit options across clothing and shoes; choose ZeDaq.ai if you want body-scan sizing matched to your own chart plus virtual try-on.

ZeDaq.ai publishes this blog. Easysize facts below come only from Easysize's website, its pricing page and its Shopify App Store listing, checked November 2026.

Both tools run on Shopify, and both aim to help shoppers pick the right size before they buy. This guide compares how each one works, what each costs and which stores each suits. For the wider field of fit and try-on tools, see our roundup of AI try-on apps for Shopify.

What is the quick answer?

	Easysize (Fit Quiz)	ZeDaq.ai
Main job	Size and fit recommendation	Body-scan sizing plus photo try-on
How the shopper gets a size	Answers a short quiz	Uploads one photo and types their height
Uses body measurements	No, per its website	Yes, estimated on the shopper's device
Your own size chart	Supports UK, EU, US and custom size formats	One chart per garment type, used by the scan
Fit, width and length advice	Yes, on Pro and Premium	Size label only; length is your product page's job
Shoes	Yes	Not covered
Virtual try-on	Not mentioned	Yes, from one photo
Eyewear try-on	Not mentioned	Live-camera eyewear try-on
Free plan	No free plan listed	Yes
Monthly price	$29 to $249, plus $0.15 per add-to-cart with a recommended size	Micro $14/mo up to Scale $299/mo
Free trial	10 days on monthly plans	3 days on paid plans, no card required
Shopify reviews	4.1 from 39 reviews	No reviews yet

Easysize details come from the Fit Quiz Shopify listing and Easysize's pricing page, checked November 2026.

What does Easysize do?

Easysize makes Fit Quiz, a size and fit recommendation tool for clothing and footwear brands. On its Shopify listing, the app is called "Fit Quiz: Size Recommender" and the developer is Easysize ApS.

The shopper answers a short set of questions on the product page and gets a size suggestion. The Fit Quiz listing says it aims to help shoppers "find the right size & fit in under 15 seconds" without asking for body measurements.

Easysize's website is direct about what the quiz avoids. It says there are "no sensitive questions about weight or body measurements and no body scans." For brands whose shoppers dislike sharing a photo or their weight, that is a clear point in its favor.

What else does Easysize offer?

Based on its website and listing, checked November 2026:

• Clothing and shoes. It works for most clothing and footwear, including sportswear and swimwear. Its website lists made-to-measure items, kids' fashion and some bras as exceptions.
• Fit, width and length. It can recommend more than size, such as how long or wide an item fits.
• Size formats. UK, EU, US, international and custom formats.
• Unisex products. Different questions and recommendations for unisex items.
• Localization. The widget adapts to the shop's language.
• Reports. Its pricing page lists a returns report and size insights on higher plans.
• Integrations. The listing names Klaviyo, Loop Returns, Aftership, Returnista, Sendcloud and Swap.
• Other platforms. Its website says it works with custom platforms, through a demo request.

What does ZeDaq.ai do?

ZeDaq.ai combines two tools in one Shopify app: AI virtual try-on and a "Find my size" body scan.

For sizing, the shopper uploads one full-length photo and types their height. The scan runs on the shopper's device and estimates their measurements. Those are matched to the size chart you entered for that garment type: tops, outerwear, dresses or bottoms. If the shopper falls between sizes, it suggests the roomier one.

For try-on, the shopper uploads one photo and sees your real garment on their body. That answers a different question from sizing: "how will this look on me?"

ZeDaq.ai also works outside Shopify. You can paste a script tag into the product template on WooCommerce, Wix, Squarespace or a custom site, with the key locked to your store's domain. Developers can use the REST API instead. There is also live-camera eyewear try-on.

How do the two sizing methods compare?

The core difference is the input. A quiz asks. A scan measures.

When a quiz may suit you better

• Your shoppers are wary of uploading photos.
• You sell shoes as well as clothing, and want one tool for both.
• You want fit, width and length advice, not only a size label.
• You want custom questions and recommendation logic built with the vendor.

When a body scan may suit you better

• You want the size to come from the shopper's body, matched to your own chart.
• You also want shoppers to see the garment on themselves.
• You sell outside Shopify and want the same tool on WooCommerce, Wix or a custom site.
• You want a free plan to test before paying.

Neither method is right for every store. A quiz depends on how well the questions map to your products. A scan depends on a clear full-length photo and on your chart being accurate. The guide on how to evaluate a sizing tool's accuracy gives you a test you can run on either.

How much does each cost?

The pricing models differ, so compare them at your own order volume.

Easysize has three monthly plans, according to its pricing page, checked November 2026:

Plan	Monthly price	Usage fee
Starter	$29/month	$0.15 per add-to-cart with the recommended size
Pro	$109/month	$0.15 per add-to-cart with the recommended size
Premium	$249/month	$0.15 per add-to-cart with the recommended size

Source: Easysize pricing, checked November 2026.

The same page lists annual plans with no add-to-cart fees, from $650 a year for Starter. It says the actual annual price depends on your shop's monthly order volume, as shown on Easysize's pricing page. Monthly plans come with a 10-day free trial.

ZeDaq.ai charges a flat monthly fee, with try-ons and measurements included in each plan:

Plan	Price	Try-ons a month	Measurements a month
Free	$0	3	3
Micro	$14/mo	20	30
Starter	$49/mo	75	100
Growth	$129/mo	650	Unlimited
Scale	$299/mo	2,000	Unlimited

Every paid plan has a 3-day free trial with no card required. Micro is $1 for the first month (then $14), and Starter, Growth and Scale have first-month prices of $28, $74 and $171. The first-month price applies once per store, on monthly plans. Check the live ZeDaq.ai pricing page for current limits.

A worked cost check

Pick a quiet month and a busy month from your own orders. For Easysize monthly plans, add the plan fee to $0.15 times the add-to-cart events you expect with a recommended size. For ZeDaq.ai, find the plan whose measurement and try-on allowance covers your expected scans.

Run both numbers for both months. A usage fee scales with activity, while a flat plan stays the same until you outgrow its allowance.

Which other sizing tools should you compare?

Easysize isn't the only quiz-style or data-led sizing tool. If you are comparing several, these guides use the same format:

• ZeDaq.ai vs Virtusize looks at garment-to-garment size comparison.
• ZeDaq.ai vs Bold Metrics looks at body-data sizing for larger brands.

If you are still deciding between sizing and try-on, the guide to a virtual fitting room for clothing sites explains how the two fit together.

Which one should you choose?

Use this checklist to decide:

• Photo comfort: If your shoppers won't upload a photo, a quiz like Easysize avoids that step.
• Shoes: If footwear is a big part of your range, Easysize covers it. ZeDaq.ai sizing covers clothing.
• Try-on: If you want shoppers to see the garment on themselves, ZeDaq.ai includes it.
• Platform: If you sell beyond Shopify, check each vendor's options. ZeDaq.ai has a script tag and an API.
• Budget model: Decide whether you prefer a usage fee or a flat monthly allowance.
• Proof: Easysize has public Shopify reviews. ZeDaq.ai has none yet, so test it on your own products during the trial.

You can also test both. Install one at a time, run it on the same products for a few weeks, and compare wrong-size returns and support questions.

FAQs

Does Easysize use photos or body scans?

No. Easysize's website says Fit Quiz uses no body scans and asks no questions about weight or body measurements. The shopper answers a short quiz instead.

Does ZeDaq.ai upload the shopper's photo for sizing?

No. For sizing, the photo is analyzed on the shopper's device and only measurements are used to match your chart. A try-on render does send the photo to create the image.

Can I use ZeDaq.ai without a size chart?

Yes. Without your own chart, shoppers get a size from a generic UK, US, EU or AU chart. Adding your own chart makes the suggestion match your labels.

Is there a free plan on either tool?

ZeDaq.ai has a Free plan with 3 try-ons and 3 measurements a month. Easysize's pricing page lists paid plans with a free trial, not a free plan.