---
title: "Start21 Size Charts Shopify App Profile"
description: "Show shoppers a clear size guide right next to the size picker. Build a chart from a template, edit the grid or paste it from Excel or Google Sheets, then choose where it shows: collections, product types, tags or single products. New products get the right chart automatically. Shoppers switch between centimetres and inches in one tap. Charts are saved in your own store as Shopify content, so you can export them and keep them even if you uninstall. Works with any Online Store 2.0 theme."
canonical_url: "https://shoplist.co/shopify-apps/start21-size-charts"
markdown_url: "https://shoplist.co/shopify-apps/start21-size-charts.md"
last_updated: "2026-11-06"
entity_type: "shopify_app"
slug: "start21-size-charts"
source: "public Shopify app profile allowlist"
---

# Start21 Size Charts Shopify App Profile

> Show shoppers a clear size guide right next to the size picker. Build a chart from a template, edit the grid or paste it from Excel or Google Sheets, then choose where it shows: collections, product types, tags or single products. New products get the right chart automatically. Shoppers switch between centimetres and inches in one tap. Charts are saved in your own store as Shopify content, so you can export them and keep them even if you uninstall. Works with any Online Store 2.0 theme.

## Quick answer
Start21 Size Charts has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: Start21 Size Charts
- Monitoring status: First-adopter watch
- Developer: Oak Glen
- Developer profile: https://shoplist.co/app-developers/start212
- Shopify App Store URL: https://apps.shopify.com/start21-size-charts
- Launch date: November 6, 2026
- Shoplist category: Collections & Merchandising
- Free plan signal: Yes
- Free trial signal: Yes

## Pricing summary
Free: Free; Pro: $5.99/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.


## App Signals
As of November 7, 2026:

- Stores running it: 0, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: not enough observed days yet
- Primary App Store category: Product display - Other
- Listing reviews: 0

## Public callouts
- Start from a template or paste cells straight from Excel or Google Sheets.
- Show charts by collection, type, tag or product. New products get them too.
- Shoppers switch between cm and inches, and every value converts, ranges too.
## Shopify App Store categories
- Product display - Other

## Data note
Profile updated: November 6, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-07 11:30:52.150971\+00
Detection metrics refreshed: 2026-11-07 10:00:00.847158\+00
Public app evidence date: 2026-11-06 18:20:01.676417\+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/start21-size-charts)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)