Shopify App Comparison 2026
K: Google Reviews Importer vs Stamped Reviews & Loyalty: Shopify App Comparison (2026)
K: Google Reviews Importer
Stamped Reviews & Loyalty
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for K: and Stamped Reviews & Loyalty to find the best fit for your store.
Easily showcase authentic Google reviews to boost trust, SEO and conversions
View Full DetailsKey Features
- Review importer to add verified reviews directly from Google Business profile.
- Encourage customers to leave feedback directly from your site.
- Choose from grid, carousel, or badge layout to perfectly match store’s design.
- Adjust the displayed star ratings, reviewer details, and review counts.
- Embed Google review widgets sitewide or display as popup badges.
Key Features
- Multi-channel review collection via email, SMS, and checkout
- Net Promoter Score surveys built into the review flow
- Visual UGC gallery with shoppable Instagram-like displays
- Integrated loyalty points and referral rewards program
- Smart review request timing based on shipping and delivery data
Verdict on Stamped
Stamped is a solid mid-range option that bridges the gap between budget apps and enterprise platforms. Its combined reviews and loyalty offering provides good value, though each individual feature may not be as deep as dedicated tools. Best suited for growing brands that want reviews and loyalty without managing multiple apps.
K: vs Loyalty — Side-by-Side Feature Comparison
Wondering which app offers the features you actually need? This feature-by-feature breakdown shows exactly where K: and Stamped Reviews & Loyalty differ — so you can make an informed decision for your Shopify store.
| Feature | K: Google | Stamped Reviews & |
|---|---|---|
| Photo reviews | ||
| Video reviews | ||
| Q&A on product pages | ||
| Google rich snippets | ||
| Auto review requests | ||
| Review import | ||
| Built for Shopify | ||
| Free plan available |
Integration & Compatibility Comparison
App integrations matter — especially when you're running multiple tools in your Shopify stack. Here's what each app connects with out of the box.
K: Google Reviews Importer
Supported Languages
English, Spanish, Portuguese (Brazil), Portuguese (Portugal)
Stamped Reviews & Loyalty
- Checkout
- Shopify Flow
- Google Shopping
- Gorgias
- Klaviyo
- Recharge
Supported Languages
English
Frequently Asked Questions
Can I use Stamped for both reviews and loyalty?
Yes, Stamped combines product reviews and a loyalty rewards program in a single platform. You can run a points-based loyalty program alongside your review collection, though the loyalty features require the Premium plan or higher.
Does Stamped support NPS surveys?
Yes, Stamped includes Net Promoter Score surveys as part of its review collection flow. After a customer submits a review, they can be prompted with an NPS question, giving you quantitative satisfaction data alongside qualitative reviews.
Can I import reviews from another app to Stamped?
Yes, Stamped supports importing reviews from CSV files as well as direct migration from popular review apps like Judge.me, Yotpo, and Loox. The import process preserves review content, ratings, photos, and customer information.