---
title: "DerFit ‑ Size Recommender Shopify App Profile"
description: "Sizing 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. Try DerFit free for 30 days."
canonical_url: "https://shoplist.co/shopify-apps/derfit-size-recommender"
markdown_url: "https://shoplist.co/shopify-apps/derfit-size-recommender.md"
last_updated: "2026-10-08"
entity_type: "shopify_app"
slug: "derfit-size-recommender"
source: "public Shopify app profile allowlist"
---

# DerFit ‑ Size Recommender Shopify App Profile

> Sizing 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. Try DerFit free for 30 days.

## Quick answer
DerFit ‑ Size Recommender has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: DerFit ‑ Size Recommender
- Monitoring status: First-adopter watch
- Developer: DerFit
- Developer profile: https://shoplist.co/app-developers/derfit
- Shopify App Store URL: https://apps.shopify.com/derfit
- Launch date: May 24, 2026
- Shoplist category: Shipping & Fulfillment
- Rating: 5
- Review count: 1
- Free trial signal: Yes

## Pricing summary
Starter: $29/month; Growth: $99/month

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## Public callouts
- 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
## Shopify App Store categories
- Product display - Other

## Data note
Profile updated: October 8, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-13 23:26:02.87923\+00
Detection metrics refreshed: 2026-10-19 05:10:00.065159\+00
Public app evidence date: 2026-10-08 20:07:01.902111\+00
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/derfit-size-recommender)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)