Smart Size AI Fit Recommender 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 AI Fit Recommender, Oct 13, 2026 for UniMeasureAI.
The short answer
- Only Smart Size AI Fit Recommender lists a free plan. Paid plans start at $29/month for Smart Size AI Fit Recommender and $49/month for UniMeasureAI.
- Smart Size AI Fit Recommender lists 5 features UniMeasureAI’s listing doesn’t mention, including Custom CSS, Custom icons, Custom text.
Head to head
- United States
- Canada
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Max support response time: 24 hours
- · Recommendation to 50 unique users/month
Lite
- · 250 unique users/month
- · Max support response time: 12 hours
- · Support via chat, email or call
- · USD 0.12 per additional visitor
Starter
- · 0.10 per additional visitor
- · 500 unique users/month
- · Max support response time: 12 hours
- · Support via chat, email or call
Growth
- · 1 000 unique users/month
- · Max support response time: 12 hours
- · Support via chat, email or call
- · USD 0.09 per additional visitor
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 featureSmartSize AI Fit & Size Recommender helps shoppers find their perfect size in seconds. With just a few questions, our AI model finds the best fit for every product, even across different brands and all Shopify stores using SmartSize. Returning customers see instant size suggestions. It’s the perfect complement to your size charts, creating a confident shopping experience.
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.
- Sleek and mobile responsive quiz to capture key sizing info in just a few clicks
- Fully customizable button and accent color to match your brand’s style.
- One-time quiz gives store-wide size recommendations for a seamless experience.
- 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 AI Fit Recommender |  UniMeasureAI |
|---|---|---|
| Detected stores | 20 | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Apparel & Accessories, Animals & Pet Supplies | Not published |
| Top store countries | United States, Canada, Australia | Not published |
Reviews
| Measure | Smart Size AI Fit Recommender | UniMeasureAI |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 6 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Smart Size AI Fit Recommender | UniMeasureAI |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $29/month(ahead) | $49/month |
| Longest free trial | 14 days | 30 days |
| Plans listed | 4 | 4 |
Listing
| Measure | Smart Size AI Fit Recommender | UniMeasureAI |
|---|---|---|
| Shopify category rank | Not enough data | #217 |
| Shopify App Charts | #25 in Product comparison | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 27, 2025 | Jul 27, 2026 |
| Languages | 1 | 4 |
| Developer | SmartSize | We Do Dev Work |
FAQ
Smart Size AI Fit Recommender and UniMeasureAI: common questions
- Is Smart Size AI Fit Recommender or UniMeasureAI cheaper?
- Only Smart Size AI Fit Recommender lists a free plan. Paid plans start at $29/month for Smart Size AI Fit Recommender 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 AI Fit Recommender lists 5 the others don’t mention, such as Custom CSS, Custom icons, Custom text, Floating chart. UniMeasureAI lists 5 the others don’t mention, such as Comparison page, Comparison table, Multi-language, Multi-product. 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 AI Fit Recommender, 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 AI Fit Recommender, 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.