LC | Manual Related Products vs Smart Size Chart & Size Guidefor Shopify (2026)
LC | Manual Related Products and Smart Size Chart & Size Guide serve vastly different purposes within a Shopify store, despite sharing the 'Custom products' and 'Product variants' categories. LC | Manual Related Products focuses on enhancing product discovery and increasing sales by allowing merchants to manually curate related product recommendations, primarily targeting stores with diverse product catalogs needing precise control over upselling and cross-selling strategies. Smart Size Chart & Size Guide, on the other hand, aims to improve customer confidence and reduce returns by providing comprehensive size charts tailored to various product types, appealing more to apparel, footwear, jewelry, and pet supply stores.
At a Glance
LC | Manual Related Products
7 reviews
Smart Size Chart & Size Guide
103 reviews
Detailed Overview
LC | Manual Related Products
This app gives you complete control over the recommended items customers see in your Product Page.
Key Features
- Curate your related products selection just the way you want it.
- Drag and drop a CSV file to quickly import data and store it in your store.
- All data is automatically backed up for your peace of mind
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.
Feature Comparison
| Rating | 3.9/5 | 5/5 |
Rating LC | Manual Related Products3.9/5 Smart Size Chart & Size Guide5/5 | ||
| Reviews | 7 | 103 |
Reviews LC | Manual Related Products7 Smart Size Chart & Size Guide103 | ||
| Core Function | Manual Related Products | Size Charts & Guides |
Core Function LC | Manual Related ProductsManual Related Products Smart Size Chart & Size GuideSize Charts & Guides | ||
| Primary Goal | Increase Sales via Recommendations | Reduce Returns, Improve Customer Experience |
Primary Goal LC | Manual Related ProductsIncrease Sales via Recommendations Smart Size Chart & Size GuideReduce Returns, Improve Customer Experience | ||
| Customization | Related Product Selection | Highly Customizable Design and Content |
Customization LC | Manual Related ProductsRelated Product Selection Smart Size Chart & Size GuideHighly Customizable Design and Content | ||
| Data Import | CSV Import | N/A (Size chart creation within app) |
Data Import LC | Manual Related ProductsCSV Import Smart Size Chart & Size GuideN/A (Size chart creation within app) | ||
| Target Merchant | Stores needing manual control over product recommendations | Apparel, footwear, jewelry, pet supplies stores |
Target Merchant LC | Manual Related ProductsStores needing manual control over product recommendations Smart Size Chart & Size GuideApparel, footwear, jewelry, pet supplies stores | ||
| Ease of Use Focus | Simple Data Import & Backup | User-friendly size chart creation and management |
Ease of Use Focus LC | Manual Related ProductsSimple Data Import & Backup Smart Size Chart & Size GuideUser-friendly size chart creation and management | ||
| Value Proposition | Increased average order value by curating recommendations | Improved customer satisfaction, reduced returns, and increased sales due to better fit |
Value Proposition LC | Manual Related ProductsIncreased average order value by curating recommendations Smart Size Chart & Size GuideImproved customer satisfaction, reduced returns, and increased sales due to better fit | ||
Our Verdict
If you're looking to boost sales by strategically showcasing related products on your product pages, and you have a large catalog needing manual curation, LC | Manual Related Products could be helpful, especially given its CSV import capability. However, the limited number of reviews and lower rating suggest potential drawbacks or areas for improvement. If your priority is minimizing returns and providing a seamless sizing experience for customers, especially in apparel or related industries, Smart Size Chart & Size Guide is the clear winner. Its stellar rating and high number of reviews indicate strong user satisfaction, and its focus on customization ensures a professional and brand-aligned experience.
Common Questions
Which app is better for increasing average order value?
LC | Manual Related Products directly aims to increase average order value by suggesting related products customers might purchase in addition to their initial selection. Smart Size Chart & Size Guide indirectly increases sales by building trust and ensuring customers choose the right size, leading to fewer returns and repeat purchases.
Which app is easier to set up and use?
Based on the descriptions, Smart Size Chart & Size Guide appears to prioritize ease of use with its focus on user-friendly size chart creation and management. The CSV import functionality of LC | Manual Related Products simplifies data entry, but requires the creation and manipulation of that CSV file beforehand.
Which app is more reliable?
Smart Size Chart & Size Guide likely offers more reliability due to its significantly higher number of reviews and a perfect 5/5 rating, indicating a more stable and well-received app compared to LC | Manual Related Products with its limited reviews and lower rating.
Which app is more focused on visual presentation?
Smart Size Chart & Size Guide emphasizes visual presentation heavily with its focus on customizable designs, brand colors, fonts, and responsive design. LC | Manual Related Products focuses more on the strategic selection of related products themselves, not necessarily the visual appeal of the recommendations (which is determined by the theme).
Which app has better customer support?
Neither app description explicitly mentions customer support. However, a higher review count (Smart Size Chart & Size Guide) often correlates with a more established app that has dedicated support infrastructure for users.
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