MP Size Chart & Size Guide vs Stamp ‑ Variants on Collectionfor Shopify (2026)
MP Size Chart & Size Guide and Stamp ‑ Variants on Collection are both highly-rated Shopify apps (4.9/5), but they address entirely different needs within e-commerce. MP Size Chart & Size Guide focuses on improving the customer experience and reducing returns related to sizing, particularly for apparel businesses. It achieves this through customizable size charts, unit conversion, size recommendations, and a dedicated sizing page. Stamp ‑ Variants on Collection, on the other hand, concentrates on optimizing the display of product variants on collection pages and beyond, aiming to increase sales by enhancing product discoverability and streamlining the purchasing process. The key difference lies in their core functionality. MP Size Chart & Size Guide tackles the problem of inaccurate sizing, leading to returns and lost sales, by providing tools for merchants to create informative and user-friendly size guides. Stamp ‑ Variants on Collection addresses product variant visibility. The features such as 'show variants as separate products on collection pages' and 'hide unavailable variants' directly improve the collection page presentation, enabling shoppers to quickly find the desired product without navigating to individual product pages.
At a Glance
MP Size Chart & Size Guide
750 reviews
Stamp ‑ Variants on Collection
36 reviews
Detailed Overview
MP Size Chart & Size Guide
Reduce returns & boost conversions with customizable size charts & smart size recommendations
Key Features
- 23+ ready templates – Create size charts in minutes, no coding needed
- Fully customizable design – Adjust colors, fonts, layouts, and media easily
- Size recommendation – Reduce returns with personalized fit suggestions
- Bulk import & auto unit conversion – Fast setup for global sizing
- Sizing page – Display all size charts in one auto-synced, dedicated page
Stamp ‑ Variants on Collection
Show product variants on collection page or show variants price range with Stamp. Boost your sale!
Key Features
- Stamp show variants as separate products on collection pages or show price range
- Split variants as products on homepage, search results or any collection pages
- Hide unavailable/no image variants, Mix variants, Infinite scroll, Add to cart..
- Sort variants manually, show selected variants, customize setting per collection
- Smart collection sort products and variants on collection pages by best-seller
Feature Comparison
| Rating | 4.9/5 | 4.9/5 |
Rating MP Size Chart & Size Guide4.9/5 Stamp ‑ Variants on Collection4.9/5 | ||
| Reviews | 750 | 36 |
Reviews MP Size Chart & Size Guide750 Stamp ‑ Variants on Collection36 | ||
| Core Functionality | Size Chart Creation & Fit Recommendation | Variant Display Optimization |
Core Functionality MP Size Chart & Size GuideSize Chart Creation & Fit Recommendation Stamp ‑ Variants on CollectionVariant Display Optimization | ||
| Target Merchant | Apparel, Fashion, Accessories (any product with sizing considerations) | Merchants with extensive product variants (e.g., clothing, electronics, cosmetics) |
Target Merchant MP Size Chart & Size GuideApparel, Fashion, Accessories (any product with sizing considerations) Stamp ‑ Variants on CollectionMerchants with extensive product variants (e.g., clothing, electronics, cosmetics) | ||
| Key Feature: Sales Impact | Reduces Returns & Cart Abandonment due to Sizing Issues | Increases Sales by Improving Product Discoverability & Purchase Speed |
Key Feature: Sales Impact MP Size Chart & Size GuideReduces Returns & Cart Abandonment due to Sizing Issues Stamp ‑ Variants on CollectionIncreases Sales by Improving Product Discoverability & Purchase Speed | ||
| Ease of Setup | 23+ ready templates, Bulk Import & Data Migration Available | Customizable display settings per collection, Manual Sorting |
Ease of Setup MP Size Chart & Size Guide23+ ready templates, Bulk Import & Data Migration Available Stamp ‑ Variants on CollectionCustomizable display settings per collection, Manual Sorting | ||
| Value Proposition | Improved customer experience through comprehensive size guides & personalized fit recommendations | Enhanced product presentation and simplified purchasing process via variant display optimization |
Value Proposition MP Size Chart & Size GuideImproved customer experience through comprehensive size guides & personalized fit recommendations Stamp ‑ Variants on CollectionEnhanced product presentation and simplified purchasing process via variant display optimization | ||
| Focus | Reducing returns | Increasing discoverability |
Focus MP Size Chart & Size GuideReducing returns Stamp ‑ Variants on CollectionIncreasing discoverability | ||
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Conversion Audit
Our Verdict
For merchants primarily concerned with high return rates due to sizing issues, especially those in the apparel and fashion industry, MP Size Chart & Size Guide is the clear winner. Its focus on creating detailed and personalized size guides directly addresses this problem, and its ready-made templates and data migration services make it easy to implement. The high number of positive reviews also indicates a reliable and effective solution.
However, if the main goal is to improve the product browsing experience and boost sales by optimizing the display of product variants, especially on collection pages, then Stamp ‑ Variants on Collection is the better choice. Its features like splitting variants into separate products and hiding unavailable options streamline the shopping process. While the review count is lower, the equally high rating suggests that the app effectively delivers its promised functionality to its target audience.
Common Questions
Which app is easier to set up and use?
MP Size Chart & Size Guide seems easier to set up due to its 23+ ready-made templates and bulk import/data migration options. Stamp ‑ Variants on Collection requires more configuration based on the collection, offering customization setting per collection.
Which app is better for reducing returns?
MP Size Chart & Size Guide is specifically designed to reduce returns by providing accurate size information and personalized fit recommendations, making it the superior choice for return reduction.
Can Stamp ‑ Variants on Collection improve my store's SEO?
While Stamp ‑ Variants on Collection doesn't explicitly state SEO benefits, improved product discoverability through better variant display could indirectly contribute to better search engine rankings.
Does MP Size Chart & Size Guide support multiple languages and unit conversions?
Yes, MP Size Chart & Size Guide supports auto unit conversion for global sizing, making it useful for international customers.
If I sell products with no size variations, do I need MP Size Chart & Size Guide?
If your products have no sizes, MP Size Chart & Size Guide isn't necessary. Its primary function is to help customers choose the correct size. However, the app could still be useful if you have other measurements important for customers (e.g. laptop dimensions inside a backpack).
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