Smart Size Chart & Size Guide vs UniMeasureAI
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Smart Size Chart & Size Guide, Oct 13, 2026 for UniMeasureAI.
The short answer
- Only Smart Size Chart & Size Guide lists a free plan. Paid plans start at $9/month for Smart Size Chart & Size Guide and $49/month for UniMeasureAI.
- Smart Size Chart & Size Guide lists 18 features UniMeasureAI’s listing doesn’t mention, including Color and font, Conditional logic, Custom CSS.
Head to head
Stunning size charts to increase sales and reduce returns.
- Australia
- United States
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 2 size charts
- · Automatic unit conversion
- · Create from image with AI
- · International sizing
- · Mobile-optimized design
- · No watermark
Starter
- · 10 size charts
- · AI translations
- · Advanced design & customization
- · Everything in Free
- · Fit scale (true-to-size bar)
- · Multi-language
Growth
- · Everything in Starter
- · Unlimited size charts
Pro 100
- · 100 users/month - Unlimited fit quiz
- · AI and rule-based matching
- · AI fit quiz: Find my size
- · Everything in Growth
- · Fit finder for pets
- · Fit finder or men, women & kids
S - Starter
- · 50 Measurements / month
- · Branding: Powered by UniMeasureAI
- · Size table uploads: Unlimited
- · Type: Head, Branded, Gloves, Shoe
M - Growth
- · 200 Measurements / month
- · Branding: Powered by UniMeasureAI
- · Size table uploads: Unlimited
- · Type: + Tailor, Helmet
L - Scale
- · 1000 Measurements / month
- · Branding: Optional
- · Size table uploads: Unlimited
- · Type: + Wingsuit, Skydiving, Custom
XL - Business
- · 3000 Measurements / month
- · Branding: Optional
- · Size table uploads: Unlimited
- · Type: + Wingsuit, Skydiving, Custom
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBuild size charts, size guides and fit quizzes in minutes with SmartSize AI and a modular editor. Bulk import and export, upload an image or start from templates for men, women, kids and pets. Add tabs, AI translations, unit conversion and international sizing. Turn on "Find my size", an AI fit quiz and size recommender for clothes and shoes. Shoppers answer once and are remembered on every product and visit.
Turn sizing uncertainty into purchase confidence. UniMeasureAI lets shoppers use their own camera to capture their measurements and find the size that best matches your size charts. Add a Check Size button to your Shopify store for a personalized size recommendation right in the browser—no app download or measuring tape needed.
- Optimized size charts and size guides on mobile and desktop.
- Optional conversion cm / inches in every size table and size guide.
- Personalized styles that match your store's theme: font style, colors and icons.
- Templates for shirt, dress, bikini, top, bottom, shoes, jewelry and more.
- Camera-based size recommendations for your shoppers
- Matches measurements to your own brand size charts for accurate fit
- Works for apparel, shoes, helmets, gloves, headwear, and custom items
- Upload or build size charts and set measurement goals per product
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Smart Size Chart & Size Guide |  UniMeasureAI |
|---|---|---|
| Detected stores | 2 | Not published |
| Net store change, 28 days | +1 | 0 |
| Stores added, 28 days | 1 | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Apparel & Accessories | Not published |
| Top store countries | Australia, United States | Not published |
Reviews
| Measure | Smart Size Chart & Size Guide | UniMeasureAI |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 152 | Not published |
| New reviews, 28 days | 8 | Not enough data |
| Reviewers a year or more in | 12% | Not enough data |
Pricing
| Measure | Smart Size Chart & Size Guide | UniMeasureAI |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $9/month(ahead) | $49/month |
| Longest free trial | 14 days | 30 days |
| Plans listed | 4 | 4 |
Listing
| Measure | Smart Size Chart & Size Guide | UniMeasureAI |
|---|---|---|
| Shopify category rank | #9(ahead) | #217 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Jan 28, 2022 | Jul 27, 2026 |
| Languages | 8 | 4 |
| Developer | SmartSize | We Do Dev Work |
FAQ
Smart Size Chart & Size Guide and UniMeasureAI: common questions
- Is Smart Size Chart & Size Guide or UniMeasureAI cheaper?
- Only Smart Size Chart & Size Guide lists a free plan. Paid plans start at $9/month for Smart Size Chart & Size Guide and $49/month for UniMeasureAI. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Smart Size Chart & Size Guide lists 18 the others don’t mention, such as Color and font, Conditional logic, Custom CSS, Custom HTML. UniMeasureAI lists 3 the others don’t mention, such as AI recommendations, Comparison page, Recommendations. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 9, 2026 for Smart Size Chart & Size Guide, Oct 13, 2026 for UniMeasureAI; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 9, 2026 for Smart Size Chart & Size Guide, Oct 13, 2026 for UniMeasureAI. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.