Ai Size Recommender & Guide vs ItemFits: Products & Spaces
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Ai Size Recommender & Guide, Nov 9, 2026 for ItemFits.
The short answer
- Both list a free plan. Paid plans start at $9/month for Ai Size Recommender & Guide and $99/month for ItemFits.
- Ai Size Recommender & Guide lists 14 features ItemFits’s listing doesn’t mention, including Color and font, Custom text, Highlight differences.
Head to head
Free
- · 25 AI size recommendations
- · AI Size Recommender
- · Brand size comparison
- · Custom product size charts
- · Email support
- · Fully customizable widget
Basic
- · 150 AI size recommendations/month
- · AI Size Recommender
- · Brand size comparison
- · Custom product size charts
- · Email support
- · Fully customizable widget
Pro
- · 500 AI size recommendations/month
- · AI Size Recommender
- · Brand size comparison
- · Custom product size charts
- · Email support
- · Fully customizable widget
Enterprise
- · 1500 AI size recommendations/month
- · AI Size Recommender
- · Brand size comparison
- · Custom product size charts
- · Email support
- · Fully customizable widget
Free 2-day trial
- · 2-day trial of PRO tier features
- · Default branding + email support
Starter
- · 1,000 explanations + 500 checks/mo
- · Door, room, hall, stair + elevator
- · Full analytics + conversation replay
- · Per-variant sizes (Queen vs King)
- · Product suggestions + store chat
- · Up to 1,000 products / 5,000 variants
Growth
- · 2,000 explanations + 750 fit checks/mo
- · Everything in Starter
- · Export fit-check data (CSV)
- · Pick fit alternatives by product
- · Staff Fit Finder: up to 50 matches per s
- · Up to 5,000 products / 10K variants
Pro
- · 4,000 explanations+ 1,500 fit checks/mo
- · Everything in Growth
- · Priority support
- · Staff Fit Finder with unlimited matches
- · Up to 10 fitting options in cart
- · Up to 10,000 products / 30,000 variants
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureHelp customers find the perfect fit with an AI-powered size recommender and smart size guide. Replace confusing size charts with personalized size recommendations based on measurements or brand comparisons. Increase customer confidence, reduce size-related returns, and improve conversions with a customizable sizing experience.
Give shoppers a “Will It Fit?” check directly on your product pages, cart or via a site-wide explanation engine. ItemFits uses product dimensions from your catalog and lets customers check doors, hallways, vehicles, stairs, elevators, rooms, and other tight spaces before buying.
- Smart size recommendations for modern size guides
- Fully customizable size recommender tailored to your store’s needs
- Custom size charts for easy product fit guidance and clarity
- Supports 19 storefront languages to reach global customers effortlessly
- Adds fit checks to every product page for doors, stairs, rooms, and vehicles
- Checks multi-item carts against one shopper-defined space before checkout
- Suggests fitting alternatives when a product won’t fit a shopper’s space
- Answers natural-language fit questions through sitewide shopper chat








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 Size Recommender & Guide | ItemFits |
|---|---|---|
| Detected stores | Not published | 1 |
| 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 | Baby & Toddler |
| Top store countries | Not published | United States |
Reviews
| Measure | Ai Size Recommender & Guide | ItemFits |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | 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 Size Recommender & Guide | ItemFits |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $9/month(ahead) | $99/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | 4 | 4 |
Listing
| Measure | Ai Size Recommender & Guide | ItemFits |
|---|---|---|
| Shopify category rank | #138 | #117(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 29, 2025 | May 7, 2026 |
| Languages | 1 | 1 |
| Developer | EZ Ecommerce | ItemFits |
FAQ
Ai Size Recommender & Guide and ItemFits: common questions
- Is Ai Size Recommender & Guide or ItemFits cheaper?
- Both list a free plan. Paid plans start at $9/month for Ai Size Recommender & Guide and $99/month for ItemFits. 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 Size Recommender & Guide lists 14 the others don’t mention, such as Color and font, Custom text, Highlight differences, Mobile responsive. ItemFits lists 2 the others don’t mention, such as AI recommendations, Analytics. 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 Oct 13, 2026 for Ai Size Recommender & Guide, Nov 9, 2026 for ItemFits; 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 Oct 13, 2026 for Ai Size Recommender & Guide, Nov 9, 2026 for ItemFits. 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.






