Virtual Try-On vs 3D Body Scanning Tools

Virtual try-on shows a shopper how a garment looks on their body, while 3D body scanning tools measure the body itself. Try-on answers "will this suit me?" and scanning answers "what are my measurements?", so most fashion stores need try-on plus a simple measurement step rather than a full 3D scan.

ZeDaq.ai publishes this blog. Competitor details come only from each company's own homepage, checked November 2026. To see which try-on apps are available for Shopify, start with our ranked comparison of try-on apps.

What is virtual try-on?

Virtual try-on is software that places a store's garment on an image of the shopper. The shopper usually uploads a photo, and the tool returns a new image showing them wearing the item.

The output is a picture. It helps shoppers judge color, style, length and how a piece works with their look. It doesn't, by itself, tell them which size label to order.

There are two common types:

• Photo-based try-on uses one uploaded image. It suits clothing, where the shopper wants to see a full outfit.
• Live-camera try-on tracks the face or body in real time. It suits glasses and makeup, where the shopper wants to move and look from different angles.

What is 3D body scanning?

3D body scanning captures the shape of a person's body and turns it into measurements. Some systems use special booths. Others use a phone camera and AI to estimate measurements from a few photos.

The output is data: chest, waist, hip, inseam and many other values. Some tools also build a 3D model or avatar from that data.

For example, 3DLOOK's homepage (checked November 2026) describes "AI-powered body scanning" that needs two photos and takes about 45 seconds. The same page says it provides "over 80 precise body measurements," offers mobile camera SDKs for Android and iOS, and lists an API.

The 3DLOOK homepage now leads with weight loss, fitness, nutrition and telehealth use cases. It also lists a Mobile Tailor product for made-to-measure and uniform fitting.

How do try-on and body scanning differ?

The two tools answer different questions. This table sets out the main differences.

	Virtual try-on	3D body scanning
Question it answers	How will this look on me?	What are my measurements?
What the shopper gives	Usually one photo	Often two or more photos, or a booth scan
What comes back	An image of the shopper in the garment	Body measurements, sometimes a 3D model
Best for	Style, color, length, confidence	Made-to-measure, uniforms, fitness tracking
Uses your size chart	Not on its own	Only if matched to a chart
Setup for a store	App, widget or API	Usually an SDK or API

What does each ask of the shopper?

Effort matters, because every extra step loses some shoppers. Compare the typical flows:

1. Photo try-on. Tap "Try it on," upload a photo from the camera roll, wait for the image.
2. Phone body scan. Stand back from the phone, hold a pose, take one or more photos, sometimes in fitted clothing, then enter details such as height.
3. Booth scan. Visit a physical location and stand in a scanner, which rules it out for most online shoppers.

A photo try-on fits naturally into browsing, since most people already have a suitable picture. A multi-photo scan asks more, but can return more detail. A short scan that only needs one photo plus height sits between the two.

Think about your shoppers' patience. Someone buying a basic T-shirt won't spend two minutes posing. Someone ordering a made-to-measure suit may happily do so.

Neither tool replaces the other. A try-on image can look right in the wrong size. A list of 80 measurements doesn't show whether a color suits someone.

Do fashion stores need a full 3D scan?

Most don't. A fashion store needs to turn a shopper's body into one label from its own size chart. For that, a few key measurements are enough.

Think about what your chart actually uses:

• Tops mostly need chest.
• Bottoms need waist and hip, sometimes inseam.
• Dresses need chest, waist and hip.

A scan that returns dozens of values gives you far more than the chart can use. It can also ask more of the shopper, such as a second photo or a specific pose.

Full 3D scanning makes more sense when:

• You make clothes to measure. Tailors and custom brands need detailed measurements to cut a pattern.
• You fit uniforms at scale. Matching hundreds of staff to stock sizes is a measurement job.
• You build your own app. An SDK gives your developers full control of the scanning flow.

If you're a tailor rather than an online store, a measurement link the client opens on their phone may suit you better than a scanning SDK. ZeDaq.ai's tailor tools include that, along with a client CRM and orders.

How does ZeDaq.ai combine the two?

ZeDaq.ai sits between a full scanner and a try-on-only tool. It offers two features in one window on your product page.

"Try it on" is AI virtual try-on. The shopper uploads one photo and sees your real garment on their body.

"Find my size" is a 30-second body scan from one photo plus height. It reads the measurements your chart needs and matches them to your own size chart, one chart per garment type: tops, outerwear, dresses and bottoms. If the shopper falls between sizes, it sizes up to the largest relevant measurement. With no chart added, it falls back to a generic UK, US, EU or AU chart.

ZeDaq.ai doesn't build 3D avatars or 3D body models. The aim is a size label from your chart and an image the shopper can trust, using as little input as possible.

For a plain-language look at how measurements become a size, see our explainer on how AI size recommendation works.

Which should you choose for your store?

Use these questions to decide quickly.

1. Do shoppers mostly ask "which size?" Start with sizing. A photo scan matched to your chart is the lightest option.
2. Do shoppers mostly ask "how will it look?" Start with try-on.
3. Do you get both questions? Pick a tool that does both, so shoppers don't jump between two widgets.
4. Do you make garments to measure? Look at full scanning or a measurement link, not a store widget.
5. Do you sell glasses? Look at live-camera try-on. Our guide to eyewear try-on software compares the main options.
6. Do you have developers? An API or SDK gives more control.

If you take the developer route, our roundup of try-on APIs for developers compares the main endpoints.

A worked example: a dress brand on Shopify

Say you sell 40 dress styles and your inbox fills with "I'm between a 10 and a 12" messages. Shoppers also ask how a print looks on darker or lighter skin.

• A 3D scanner would return dozens of measurements, but you'd still need to match them to your chart. Shoppers might also need to take two photos in a set pose.
• A try-on-only tool would show the print on the shopper, but wouldn't settle the 10 or 12 question.
• A combined tool shows the print on the shopper and gives one size from your dress chart, using chest, waist and hip.

For this store, the combined tool covers both questions with the least effort from the shopper.

What should you check before you buy?

Whichever type you choose, check these points first:

• How many photos are needed? One photo is easier for shoppers than two.
• Where is the photo processed? Ask whether images leave the shopper's device and how long they're kept.
• Does it use your chart? A measurement list alone doesn't give a size.
• How does it install? Check for a Shopify app, a script tag, or an SDK your team must build around.
• What is the price? Compare public plans, and ask for a written quote where none is shown.

What does ZeDaq.ai cost?

ZeDaq.ai lists its plans on the pricing page:

Plan	Price	Notes
Free	$0	3 try-ons, 3 measurements and 5 invoices a month
Micro	$14/mo
Starter	$49/mo
Growth	$129/mo
Scale	$299/mo

Every paid plan has a 3-day free trial with no card required. Each try-on and each size scan counts toward your plan.

FAQs

Is virtual try-on accurate for sizing?

A try-on image shows style and look, not size. For a size, you need measurements matched to a size chart.

Does a body scan need special equipment?

Not always. Some tools work from phone photos. 3DLOOK's homepage says it needs two photos, and ZeDaq.ai's scan uses one photo plus height.

Does ZeDaq.ai create a 3D avatar?

No. ZeDaq.ai shows your garment on the shopper's own photo and gives a size from your chart. It doesn't build avatars or 3D models.

Which is better for a made-to-measure tailor?

Detailed measurements matter more than images for made-to-measure work. A tailor may prefer a measurement link the client opens on their phone, which ZeDaq.ai's tailor tools include.