AI Fit Finder Size Recommender vs Norn Fit
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for AI Fit Finder Size Recommender, Oct 14, 2026 for Norn Fit.
The short answer
- Only Norn Fit lists a free plan. Paid plans start at $9.99/month for AI Fit Finder Size Recommender and $9/month for Norn Fit.
- AI Fit Finder Size Recommender lists 7 features Norn Fit’s listing doesn’t mention, including Floating chart, Multi-product, Pop-ups.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
S (Small)
- · 100 orders/month included
- · AI Size Recommendations
- · Basic widget customization
- · Single-language widget
- · Standard email support
- · Unlimited size guides
M (Medium)
- · 250 orders/month included
- · AI Size Recommendations
- · Advanced widget customization
- · Single-language widget
- · Standard email support
- · Unlimited size guides
L (Large)
- · 500 orders/month included
- · AI Size Recommendations
- · Full analytics dashboard
- · Multi-language widget
- · Onboarding + priority support
- · Unlimited size guides
XL (Extra Large)
- · 1,000 orders/month included
- · AI Size Recommendations
- · Dedicated onboarding + support
- · Full analytics dashboard
- · Multi-language widget
- · Unlimited size guides
Free
- · Accessible size tables
- · Sidekick Extension for Fit Data
- · The full "Find my size" quiz
- · Up to 10 charts
Studio
- · Everything in free
- · Mismatch nudge
- · Saved customer measurments
- · Up to 50 charts
Growth
- · Everything in Studio
- · Fit Insights
- · Up to 250 charts
Scale
- · Everything in Growth
- · Norn API
- · Priority support
- · Returns Intelligence
- · Unlimited charts
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAI Fit Finder is an AI size recommender that gives shoppers personalized size recommendations for all types of clothing and footwear in a few clicks. Use it as a size advisor and AI size guide, with ready-made size chart templates so customers buy the right size with confidence. Add product-specific sizing across your catalog.
Norn reads your size charts and recommends each shopper's size, fewer wrong sizes, and fewer returns. Upload an image or PDF and Norn turns it into a sizing grid you review and publish. Then surface that recommendation anywhere: the product page, a customer account, a returns portal, or your own stack through our REST API.
- Accurate recommendations based on questions like height, weight, and age.
- AI-powered Fit Finder for precise predictions, factoring in fabric and cut.
- Customizable size guide for Shopify with flexible templates.
- Product-based size calculations for consistent fits across all store items.
- Upload a size chart image or PDF and Norn reads it into a sizing grid.
- Find my size" quiz recommends a size and saves it across the chart.
- Remembers a shopper's measurements across every product that shares a chart.
- Warns a shopper when they pick a size other than the one recommended.
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 |  AI Fit Finder Size Recommender |  Norn Fit |
|---|---|---|
| Detected stores | Not published | 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 | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | AI Fit Finder Size Recommender | Norn Fit |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 22 | 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 | AI Fit Finder Size Recommender | Norn Fit |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $9.99/month | $9/month(ahead) |
| Longest free trial | 14 days | 14 days |
| Plans listed | 4 | 4 |
Listing
| Measure | AI Fit Finder Size Recommender | Norn Fit |
|---|---|---|
| Shopify category rank | #17(ahead) | #208 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Dec 27, 2024 | Jun 23, 2026 |
| Languages | 1 | 1 |
| Developer | CartCoders | Osroc |
FAQ
AI Fit Finder Size Recommender and Norn Fit: common questions
- Is AI Fit Finder Size Recommender or Norn Fit cheaper?
- Only Norn Fit lists a free plan. Paid plans start at $9.99/month for AI Fit Finder Size Recommender and $9/month for Norn Fit. 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?
- AI Fit Finder Size Recommender lists 7 the others don’t mention, such as Floating chart, Multi-product, Pop-ups, Show and hide. Norn Fit lists 3 the others don’t mention, such as Analytics, Comparison table, Table layout. 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 8, 2026 for AI Fit Finder Size Recommender, Oct 14, 2026 for Norn Fit; 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 8, 2026 for AI Fit Finder Size Recommender, Oct 14, 2026 for Norn Fit. 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.