LensAdvisor: Prescription Lens vs Smart Size Chart & Size Guidefor Shopify (2026)
LensAdvisor: Prescription Lens and Smart Size Chart & Size Guide are both highly-rated Shopify apps (5/5), but they serve drastically different needs. LensAdvisor focuses on enabling merchants to sell prescription eyewear and contact lenses online, automating the Rx process from prescription capture to connecting with optical labs. Its core strength lies in streamlining the complex requirements of selling prescription products, offering features like prescription uploads, manual entry, email integration, and lens customisation. Smart Size Chart & Size Guide, in contrast, helps merchants reduce returns and increase sales by providing highly customizable and responsive size charts for various product categories like clothing, shoes, and jewelry. The primary difference lies in their target audience and value proposition. LensAdvisor targets businesses selling optical products, providing tools to manage prescriptions and integrate with labs. Smart Size Chart & Size Guide caters to apparel, footwear, and accessories merchants aiming to improve customer fit and reduce returns. While both apps share the 'Custom products, Product variants' Shopify categories, their functionalities are vastly different, reflecting their niche focuses. A key distinction lies in the number of reviews, with Smart Size Chart & Size Guide having a significantly larger user base (103 reviews) compared to LensAdvisor (27 reviews), potentially indicating broader applicability or longer market presence.
At a Glance
LensAdvisor: Prescription Lens
27 reviews
Smart Size Chart & Size Guide
103 reviews
Detailed Overview
LensAdvisor: Prescription Lens
We help you sell prescription glasses and sunglasses online. Contact lenses too!
Key Features
- Offer customers an unlimited selection of prescription types and lenses
- Drive upsells with lens options and add-ons
- Receive prescriptions by 1) image/PDF upload, 2) manual entry or 3) email
- Customise every part of the user journey to match your theme
- Sell prescription contact lenses
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 | 5/5 | 5/5 |
Rating LensAdvisor: Prescription Lens5/5 Smart Size Chart & Size Guide5/5 | ||
| Reviews | 27 | 103 |
Reviews LensAdvisor: Prescription Lens27 Smart Size Chart & Size Guide103 | ||
| Core Function | Selling prescription eyewear/contact lenses | Creating size charts & guides |
Core Function LensAdvisor: Prescription LensSelling prescription eyewear/contact lenses Smart Size Chart & Size GuideCreating size charts & guides | ||
| Key Feature 1 | Prescription capture (image, PDF, manual, email) | Highly customizable design |
Key Feature 1 LensAdvisor: Prescription LensPrescription capture (image, PDF, manual, email) Smart Size Chart & Size GuideHighly customizable design | ||
| Key Feature 2 | Optical lab partnerships | Multi-language support |
Key Feature 2 LensAdvisor: Prescription LensOptical lab partnerships Smart Size Chart & Size GuideMulti-language support | ||
| Target Merchant | Optical retailers | Apparel, footwear, & accessories retailers |
Target Merchant LensAdvisor: Prescription LensOptical retailers Smart Size Chart & Size GuideApparel, footwear, & accessories retailers | ||
| Value Proposition | Streamline Rx process & increase sales | Reduce returns & boost sales |
Value Proposition LensAdvisor: Prescription LensStreamline Rx process & increase sales Smart Size Chart & Size GuideReduce returns & boost sales | ||
| Ease of Use Implied | Automated Rx process | Manage size tables in minutes |
Ease of Use Implied LensAdvisor: Prescription LensAutomated Rx process Smart Size Chart & Size GuideManage size tables in minutes | ||
Our Verdict
The choice between LensAdvisor and Smart Size Chart & Size Guide depends entirely on the type of products a merchant sells. LensAdvisor is the clear choice for optical retailers looking to sell prescription glasses, sunglasses, or contact lenses online. Its unique features cater specifically to the complexities of this niche, offering a tailored solution for prescription management. Smart Size Chart & Size Guide is ideal for merchants selling apparel, footwear, and accessories. The highly customizable size charts help customers find the right fit, reducing returns and increasing customer satisfaction.
For merchants selling both eyewear and apparel, both apps might be necessary, each addressing a separate critical aspect of their business. However, for businesses focusing on a single product category, the selection is straightforward. LensAdvisor offers highly specialized features relevant to its narrow scope, where Smart Size Chart delivers customizable solutions to a wider group of merchants.
Common Questions
Can LensAdvisor help reduce returns?
While LensAdvisor primarily focuses on enabling the sale of prescription eyewear, accurately capturing and fulfilling prescriptions should inherently reduce returns related to incorrect prescriptions.
Does Smart Size Chart & Size Guide integrate with optical product sizes?
Smart Size Chart & Size Guide can be adapted to display measurements relevant to optical products. The app is not specifically designed for optical products, so it may require modifications.
Which app is easier to set up?
The description suggests both apps are relatively easy to set up. LensAdvisor automates prescription handling, while Smart Size Chart & Size Guide highlights creating size tables in minutes. Actual ease of use can vary based on merchant familiarity and theme customisations.
Can LensAdvisor be used for non-prescription glasses?
While primarily designed for prescription lenses, LensAdvisor could potentially be adapted to sell non-prescription glasses with custom lens options, although its core features might be underutilized in that scenario.
Is it possible to use Smart Size Chart & Size Guide to showcase lens sizes?
Yes, Smart Size Chart & Size Guide can be used to create a table displaying lens sizes, providing information about diameter, bridge width, and temple length. This would require manual input of the lens sizes.
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