Smart Size Chart & Size Guide vs WOW Product Optionsfor Shopify (2026)
Smart Size Chart & Size Guide and WOW Product Options, while both categorized under 'Custom Products' and 'Product Variants', cater to distinct needs within the Shopify ecosystem. Smart Size Chart & Size Guide focuses on addressing a common pain point in apparel, footwear, and accessories e-commerce: size uncertainty. It aims to reduce returns and improve conversion rates by providing visually appealing, customizable size charts. The app emphasizes ease of use and a focus on branding, offering templates and features to seamlessly integrate size guides into a store's design. This is achieved through rich content options, customizable elements, and responsive design ensuring a consistent experience across all devices. WOW Product Options, on the other hand, targets merchants looking to offer a high degree of product personalization. It facilitates the creation of intricate product variations through a wide range of custom fields, allowing customers to design products tailored to their preferences. The app prioritizes enhanced user experience and increased revenue potential by enabling extensive product customization. While both apps enhance the shopping experience and aim to increase revenue, they do so through different mechanisms; Smart Size Chart addresses sizing issues, whereas WOW Product Options focuses on product personalization and customization.
At a Glance
Smart Size Chart & Size Guide
103 reviews
WOW Product Options
3 reviews
Detailed Overview
Smart Size Chart & Size Guide
Increase sales with stylish, unlimited size charts and size guides that fit your brand design.
Key Features
- 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.
WOW Product Options
Create unlimited product options for customers and enhance UX & boost store revenue.
Key Features
- Enhance product pages with visually appealing custom options.
- Choose from 15+ option elements (text fields, image, color swatches, dropdowns).
- Organize custom options into sets for easy management on product pages.
- Offer infinite product selection possibilities for customers, improving UX.
- Boost store revenue by enabling personalized and flexible product choices.
Feature Comparison
| Rating | 5/5 | 4.7/5 |
Rating Smart Size Chart & Size Guide5/5 WOW Product Options4.7/5 | ||
| Reviews | 103 | 3 |
Reviews Smart Size Chart & Size Guide103 WOW Product Options3 | ||
| Core Functionality | Size Charts & Guides | Product Customization |
Core Functionality Smart Size Chart & Size GuideSize Charts & Guides WOW Product OptionsProduct Customization | ||
| Customization Focus | Brand Design Integration | Unlimited Product Options |
Customization Focus Smart Size Chart & Size GuideBrand Design Integration WOW Product OptionsUnlimited Product Options | ||
| Target Merchant | Apparel, Footwear, Jewelry stores | Merchants selling customizable products |
Target Merchant Smart Size Chart & Size GuideApparel, Footwear, Jewelry stores WOW Product OptionsMerchants selling customizable products | ||
| Key Benefit | Reduce returns, improve sizing accuracy | Increase revenue through personalization |
Key Benefit Smart Size Chart & Size GuideReduce returns, improve sizing accuracy WOW Product OptionsIncrease revenue through personalization | ||
| Ease of Use | Easy Installation, clean removal | Focus on User Experience |
Ease of Use Smart Size Chart & Size GuideEasy Installation, clean removal WOW Product OptionsFocus on User Experience | ||
| Value Proposition | Solve sizing challenges, boost sales | Offer flexibility, boost revenue |
Value Proposition Smart Size Chart & Size GuideSolve sizing challenges, boost sales WOW Product OptionsOffer flexibility, boost revenue | ||
Our Verdict
If your primary concern is reducing returns and improving customer satisfaction by addressing sizing issues, especially in apparel, footwear, or accessories, Smart Size Chart & Size Guide is the clear choice. Its focus on brand integration, ease of use, and multi-language support makes it a valuable asset for stores selling items where fit is crucial.
However, if you need to offer extensive product customization and personalization options to allow customers to create unique products, WOW Product Options is better suited. It's ideal for merchants who want to empower customers to design their own product variants using a wide array of custom fields. While the review count is significantly lower, the feature set directly addresses the need for in-depth product customization.
Common Questions
Which app is easier to set up and use?
Smart Size Chart & Size Guide is generally easier to set up for basic size chart creation, as it is designed to install easily and remove cleanly, while WOW Product Options requires more configuration to create complex product customization options.
Which app is better for a store selling personalized jewelry?
WOW Product Options is the better choice. It allows customers to personalize their jewelry with custom engravings, materials, and other options.
Which app offers better support for different languages?
Smart Size Chart & Size Guide specifically mentions multi-language support as a key feature, which is important for international customers.
Can both apps be used together on the same Shopify store?
Yes, theoretically, both apps can be used together. Smart Size Chart & Size Guide addresses sizing concerns, while WOW Product Options handles product customization, so there is little overlap. However, evaluate if the increased complexity is justified for your customers.
Which app is more likely to increase sales?
Both apps can increase sales, but in different ways. Smart Size Chart & Size Guide reduces returns and improves confidence in purchasing the correct size, leading to higher conversion rates. WOW Product Options increases sales by offering personalized products and enabling custom orders.
Get More From Your Shopify Store
Run audits for SEO, CRO, PageSpeed, and AI visibility. Get a clear report and actionable fixes.
Try Fix My Store