SealSafe Checkout Phone Verify vs UpsellPlus Checkout Upsellfor Shopify (2026)
SealSafe Checkout Phone Verify and UpsellPlus Checkout Upsell, both listed in the 'Checkout - Other' category on Shopify, address fundamentally different needs. SealSafe focuses on verifying phone numbers during checkout, likely aiming to reduce fraudulent transactions, though the limited review count makes it difficult to assess its effectiveness. UpsellPlus, on the other hand, is designed to increase average order value through various upsell and cross-sell strategies, extending across product pages, cart drawers, checkout, and post-purchase experiences. The primary distinction lies in their core functionality. SealSafe prioritizes security and verification, while UpsellPlus focuses on revenue generation through strategic product recommendations and offers. UpsellPlus boasts a significantly higher number of reviews (103 compared to SealSafe's 1), suggesting greater market adoption and a larger user base. Furthermore, UpsellPlus offers a broader suite of features, including customizable thank you pages, A/B testing, and real-time analytics, offering a more comprehensive solution for merchants looking to optimize their checkout process for increased sales.
At a Glance
SealSafe Checkout Phone Verify
1 reviews
UpsellPlus Checkout Upsell
103 reviews
Detailed Overview
UpsellPlus Checkout Upsell
Boost your AOV with checkout upsells, product & post purchase offers & thank you page editing
Key Features
- Modify checkout page with upsells, shipping bar & more (Shopify Plus Exclusive)
- Customize thank you page with reviews, upselling and cross-selling, & more
- Create post purchase one-click upsell & downsell offers (single & multi-product)
- Add checkout extensions to show reviews, banners, custom payment and delivery
- Upsell on the product page, cart page, cart drawer, checkout and post-purchase!
Feature Comparison
| Rating | 5/5 | 5/5 |
Rating SealSafe Checkout Phone Verify5/5 UpsellPlus Checkout Upsell5/5 | ||
| Reviews | 1 | 103 |
Reviews SealSafe Checkout Phone Verify1 UpsellPlus Checkout Upsell103 | ||
| Core Functionality | Checkout Phone Verification | Checkout Upselling & Cross-selling |
Core Functionality SealSafe Checkout Phone VerifyCheckout Phone Verification UpsellPlus Checkout UpsellCheckout Upselling & Cross-selling | ||
| Target Merchant | Merchants prioritizing fraud prevention | Merchants looking to increase average order value |
Target Merchant SealSafe Checkout Phone VerifyMerchants prioritizing fraud prevention UpsellPlus Checkout UpsellMerchants looking to increase average order value | ||
| Shopify Plus Support | Likely not supported | Supports checkout modifications (Shopify Plus Exclusive) |
Shopify Plus Support SealSafe Checkout Phone VerifyLikely not supported UpsellPlus Checkout UpsellSupports checkout modifications (Shopify Plus Exclusive) | ||
| Ease of Use | Unknown (low review count) | No developer required |
Ease of Use SealSafe Checkout Phone VerifyUnknown (low review count) UpsellPlus Checkout UpsellNo developer required | ||
| Value Proposition | Enhanced security, reduced fraudulent orders | Increased AOV, revenue growth, customer lifetime value |
Value Proposition SealSafe Checkout Phone VerifyEnhanced security, reduced fraudulent orders UpsellPlus Checkout UpsellIncreased AOV, revenue growth, customer lifetime value | ||
| Features | Phone Verification | Checkout upsells, thank you page customization, post-purchase offers, A/B testing, analytics, cart drawer upsells |
Features SealSafe Checkout Phone VerifyPhone Verification UpsellPlus Checkout UpsellCheckout upsells, thank you page customization, post-purchase offers, A/B testing, analytics, cart drawer upsells | ||
Our Verdict
For merchants primarily concerned with preventing fraudulent orders and verifying customer identities, SealSafe Checkout Phone Verify is the obvious, albeit less tested, choice. However, given the single review and lack of detailed feature description, it's essential to carefully evaluate its suitability.
On the other hand, UpsellPlus Checkout Upsell is the superior choice for merchants seeking to boost their average order value and customer lifetime value through strategic upsells and cross-sells. Its broader feature set, positive reviews, and emphasis on ease of use make it a more compelling option for merchants focused on revenue optimization. The Shopify Plus exclusive feature will be of interest to larger merchants looking for checkout customization. The higher number of reviews suggests a more established product and greater user confidence.
Common Questions
Which app is easier to use?
UpsellPlus claims 'No developer required,' suggesting a more user-friendly interface. SealSafe's ease of use is uncertain due to limited reviews.
Which app is best for increasing revenue?
UpsellPlus is explicitly designed for increasing revenue through upsells, cross-sells, and optimized checkout experiences. SealSafe indirectly contributes by reducing fraudulent orders, but its primary focus isn't revenue generation.
Which app is better for security?
SealSafe is designed for security, its primary purpose is to verify customer phone numbers during checkout, which aims to reduce fraudulent transactions.
Which app has more features?
UpsellPlus offers a wider array of features, including checkout upsells, thank you page customization, A/B testing, and real-time analytics, providing a more comprehensive solution for optimizing the checkout process.
Which app has more social proof?
UpsellPlus has significantly more social proof with 103 reviews, indicating greater user confidence compared to SealSafe's single review.
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