Side-by-side comparison

EXPO ‑ Extra Product Options vs Smart Size Chart & Size Guidefor Shopify (2026)

A detailed comparison of EXPO ‑ Extra Product Options and Smart Size Chart & Size Guide to help you pick the right Shopify app for your store.

4.9 ★

EXPO ‑ Extra Product Options

5.0 ★

Smart Size Chart & Size Guide

Shared Categories

Custom productsProduct variants

At a Glance

4.9

50 reviews

5.0

103 reviews

Create 100+ extra product options to sell custom-made, printable products, engraving items, etc.

4.9

50 reviews

Unlimited options and custom fields to help customers get their unique products.
Automatically expand next options when the customer selects a certain option.
Add extra fees & discounts based on your conditions and selected products.
Assign the whole option set to hand-picked products or a group of products.

Increase sales with stylish, unlimited size charts and size guides that fit your brand design.

5.0

103 reviews

Highly customizable: Add images, brand colors, fonts, and adjust popup position.
Content-rich: Size chart templates for clothing, shoes, jewelry, pets, and more.
Responsive design: Size charts look perfectly on mobile, desktop, and tablets.
Lightweight app: Installs easily and removes cleanly without leftover code.
Advanced features: Multi-language size charts, tabs for multiple size guides.

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