DerFit ‑ Size Recommender vs MatrixFit Recommender
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 DerFit, Oct 14, 2026 for MatrixFit Recommender.
The short answer
- Only MatrixFit Recommender lists a free plan. Paid plans start at $29/month for DerFit and $9.99/month for MatrixFit Recommender.
Head to head
Starter
- · 500 monthly scans
- · AI-powered sizing
- · Category-based fit logic
Growth
- · 3,000 monthly scans
- · AI body scan & perfect size
- · Custom feedback settings
Free
- · 1 size matrix
- · 7-day analytics
- · Email support
- · Size finder widget
Plus
- · 90-day analytics
- · Fit accuracy feedback
- · Live chat support
- · Unlimited matrices
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSizing guesswork costs you sales and sends returns through the roof. DerFit fixes that at the source. Unlike simple size quizzes, DerFit uses a real AI body scan — your customers take 4 quick photos, and DerFit matches their real body measurements against your garment specs for a precise size recommendation at checkout. Not a guess. Real measurements, every time. Fewer wrong sizes, fewer returns, higher margins.
Help shoppers choose a jeans size using waist and inseam measurements. Upload a CSV size matrix, assign it to products, and add the size-finder block to your theme. Shoppers enter their measurements to receive a size recommendation. Requires body-measurement ranges for each size; garment dimensions alone are insufficient.
- AI-powered body scan delivers precise size recommendations on product pages.
- Custom admin size rules to map measurements to sizes per product.
- Easy setup — add size widget to any product page in minutes
- Upload CSV size charts and assign them to products or collections
- Shoppers enter two measurements and get a size recommendation instantly
- Supports any measurement system with automatic inch and centimeter conversion
- Analytics dashboard tracks recommendation usage and conversion rates
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 |  DerFit |  MatrixFit Recommender |
|---|---|---|
| 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 | DerFit | MatrixFit Recommender |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 1 | 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 | DerFit | MatrixFit Recommender |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $29/month | $9.99/month(ahead) |
| Longest free trial | 30 days | Not listed |
| Plans listed | 2 | 2 |
Listing
| Measure | DerFit | MatrixFit Recommender |
|---|---|---|
| Shopify category rank | #198 | #192 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 24, 2026 | Jun 3, 2026 |
| Languages | 1 | 1 |
| Developer | DerFit | sedatsevgili |
FAQ
DerFit and MatrixFit Recommender: common questions
- Is DerFit or MatrixFit Recommender cheaper?
- Only MatrixFit Recommender lists a free plan. Paid plans start at $29/month for DerFit and $9.99/month for MatrixFit Recommender. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- 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 DerFit, Oct 14, 2026 for MatrixFit Recommender; 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 DerFit, Oct 14, 2026 for MatrixFit Recommender. 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.