---
title: "RMS Size Helper Shopify App Profile"
description: "You know the email before you open it: \"This didn't fit — how do I return it?\" Each one costs you time, margin, shipping, and a hesitant customer. RMS Size Helper steps in before checkout: a few quick questions on measurements and fit preference, and shoppers get the right size in any sizing system, anywhere in the world. Fewer wrong-size orders, fewer refunds, more customers who buy once and never worry again."
canonical_url: "https://shoplist.co/shopify-apps/rms-size-helper"
markdown_url: "https://shoplist.co/shopify-apps/rms-size-helper.md"
last_updated: "2026-10-13"
entity_type: "shopify_app"
slug: "rms-size-helper"
source: "public Shopify app profile allowlist"
---

# RMS Size Helper Shopify App Profile

> You know the email before you open it: "This didn't fit — how do I return it?" Each one costs you time, margin, shipping, and a hesitant customer. RMS Size Helper steps in before checkout: a few quick questions on measurements and fit preference, and shoppers get the right size in any sizing system, anywhere in the world. Fewer wrong-size orders, fewer refunds, more customers who buy once and never worry again.

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

## Key facts
- Name: RMS Size Helper
- Monitoring status: First-adopter watch
- Developer: RMS
- Developer profile: https://shoplist.co/app-developers/reedmace
- Shopify App Store URL: https://apps.shopify.com/rms-size-helper
- Website: https://reedmace.net
- Launch date: May 8, 2026
- Shoplist category: Marketing Automation
- Free plan signal: Yes
- Free trial signal: Yes

## Pricing summary
Free: Free; Growth: $9/month; Professional: $19/month; Enterprise: $49/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.


## App Signals
As of November 3, 2026:

- Stores running it: 0, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated)
- Primary App Store category: Product comparison, #197 (14-day median position)
- Listing reviews: 0

## Public callouts
- Smart "Find My Size" survey guides customers to their perfect fit.
- Create custom size templates for tops and bottoms with international sizes.
- Choose between "Size Chart \+ Size Helper" or "Size Chart Only" size guides.
- Assign size templates to individual/multiple products and groups.
- Track size guide opens, recommendations made, and conversion rates.
## Shopify App Store categories
- Product comparison

## Data note
Profile updated: October 13, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-03 19:18:47.19434\+00
Detection metrics refreshed: 2026-11-03 10:00:00.337189\+00
Public app evidence date: 2026-10-13 21:30:44.668904\+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/rms-size-helper)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)