Fitastic vs WAIR Size & Fit Recommendation
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 Fitastic, Nov 7, 2026 for WAIR Size & Fit Recommendation.
The short answer
- WAIR Size & Fit Recommendation lists 11 features Fitastic’s listing doesn’t mention, including Email requests, Embedded viewer, Mobile responsive.
Head to head
- United States
- Australia
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
WAIR Standard
- · Custom Size Recommendation AI
- · Performance Reporting and Analytics
- · Product Fit Reviews
- · Size Recommendation Modal
- · Sizing Feedback with Shopper Body Shape
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureFitastic automates post-purchase size checks to help you reduce returns and improve customer confidence. After checkout, your customers receive an AI-powered follow-up to confirm fit. You can step in anytime, review and approve email exchanges and view analytics showing protected revenue, return trends, and engagement—no technical setup required.
WAIR helps apparel brands turn size uncertainty into confident purchases. Our AI-powered size and fit recommendations help shoppers choose the right size before checkout, increasing conversion while reducing costly size-based returns. WAIR installs directly on your Shopify store and uses real shopper inputs, product fit intent, and body data intelligence to deliver personalized recommendations.
- AI-powered post-purchase follow-ups – Confirm sizing with every customer.
- Human-in-the-loop support – Step in anytime if you wish.
- Mailbox integration – Use your outlook mailbox; no need to check multiple places
- Return insights dashboard – See return trends, protected revenue, and engagement
- Personalized Size Recommendations - Increases Conversions
- Fit Guidance - Reduces Costly Size-Based Returns
- Shopper Body Insights - Improves Marketing, Inventory, and Sizing Strategy
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 |  Fitastic |  WAIR Size & Fit Recommendation |
|---|---|---|
| Detected stores | Not published | 238 |
| Net store change, 28 days | 0 | −4 |
| Stores added, 28 days | Not enough data | 1 |
| Big-brand share | Not enough data | 55% |
| Top store categories | Not published | Apparel & Accessories, Sporting Goods, Health & Beauty |
| Top store countries | Not published | United States, Australia, Canada |
Reviews
| Measure | Fitastic | WAIR Size & Fit Recommendation |
|---|---|---|
| App Store rating | Not published | 4.7 ★ |
| App Store reviews | Not published | 33 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Fitastic | WAIR Size & Fit Recommendation |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $125/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | 1 |
Listing
| Measure | Fitastic | WAIR Size & Fit Recommendation |
|---|---|---|
| Shopify category rank | Not enough data | #137 |
| Shopify App Charts | Not on this week’s charts | #2 in 3D/AR/VR |
| Built for Shopify | No | No |
| Launched | Dec 5, 2025 | Aug 15, 2022 |
| Languages | 1 | 1 |
| Developer | ASE, Inc | Fit3D, Inc. DBA WAIR |
FAQ
Fitastic and WAIR Size & Fit Recommendation: common questions
- What features does each app list that the other doesn’t?
- WAIR Size & Fit Recommendation lists 11 the others don’t mention, such as Email requests, Embedded viewer, Mobile responsive, Pop-ups. 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 Fitastic, Nov 7, 2026 for WAIR Size & Fit Recommendation; 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 Fitastic, Nov 7, 2026 for WAIR Size & Fit Recommendation. 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.