Stamped.io vs Smile.io: Which Reviews & Loyalty Software is Better for Shopify? (2026)

Stamped.io vs Smile.io: Which Reviews & Loyalty Software is Better for Shopify in 2026?

If you run a Shopify store, you already know that product reviews and customer loyalty programs can make or break your growth. Two names consistently rise to the top of the conversation: Stamped.io and Smile.io.

But here’s the thing — these two platforms aren’t identical. Stamped.io positions itself as an all-in-one reviews, ratings, and loyalty suite, while Smile.io has built its reputation almost entirely around loyalty and rewards. Choosing between them depends on what your store actually needs.

In this comparison, we’ll walk through features, pricing, ease of use, integrations, and real pros and cons so you can make a confident decision.

Stamped.io — Overview

Stamped.io (now often branded simply as Stamped) is a reviews and loyalty platform built for ecommerce brands on Shopify, BigCommerce, and other platforms. It launched with a heavy focus on product reviews and UGC (user-generated content) before expanding into loyalty, rewards, and referral programs.

Core Features

• Product Reviews & Ratings: Collect photo and video reviews via automated email and SMS request flows. Reviews can be displayed in customizable on-site widgets.
• Loyalty & Rewards: Points-based programs, VIP tiers, and referral programs that integrate directly with the reviews module.
• NPS & Surveys: Built-in Net Promoter Score surveys to gauge customer satisfaction.
• Social Proof: Banners, carousels, and trust badges to showcase UGC across your storefront.
• AI-Powered Features: Smart review request timing, sentiment analysis, and AI-generated review summaries for product pages.
• Google Shopping & SEO Integration: Rich snippet support and direct integration with Google Shopping to display star ratings in search results.

Try Stamped.io Free →

Smile.io — Overview

Smile.io is one of the longest-running loyalty and rewards platforms in the Shopify ecosystem, powering programs for over 100,000 merchants. Unlike Stamped.io, Smile.io does not offer a native product reviews feature — it is laser-focused on loyalty, VIP tiers, and referrals.

Core Features

• Points Program: Reward customers for purchases, account creation, social follows, birthdays, and custom actions.
• VIP Tiers: Create tiered programs (e.g., Silver, Gold, Platinum) that unlock escalating perks and encourage repeat purchases.
• Referral Program: Built-in referral system that rewards both the advocate and the new customer.
• Branded Loyalty Panel: A sleek, on-site loyalty launcher and panel that matches your brand’s look and feel.
• Nudges & Reminders: On-site nudges that remind customers of their points balance and available rewards at key moments like checkout.
• Extensive App Integrations: Deep integrations with Klaviyo, Gorgias, Okendo, Judge.me, and other popular Shopify apps.

Try Smile.io Free →

Feature-by-Feature Comparison

Pricing Comparison (2026)

Pricing is always a critical factor for Shopify merchants. Here’s how the two platforms stack up at current published rates.

Note: Prices are approximate and based on publicly available information as of early 2026. Visit each vendor’s website for the latest pricing.

Pros & Cons

Stamped.io Pros & Cons

Pros:

• All-in-one platform covering reviews, loyalty, referrals, and NPS in a single app
• Strong review collection features with photo, video, and Q&A support
• Google Shopping and rich snippet integration boosts SEO and paid ad performance
• More affordable entry point for stores that want both reviews and loyalty
• AI-powered review summaries add a modern touch to product pages

Cons:

• Loyalty features are less mature than Smile.io’s dedicated offering
• The on-site loyalty panel and rewards launcher feel less polished
• Bundling reviews + loyalty requires a higher-tier plan
• Some merchants report a steeper learning curve during initial setup

Smile.io Pros & Cons

Pros:

• Best-in-class loyalty and rewards experience purpose-built for ecommerce
• Highly customizable loyalty panel that integrates seamlessly with your storefront
• Excellent VIP tier functionality with flexible milestone and spend-based rules
• Extensive third-party integrations (Klaviyo, Gorgias, Okendo, Judge.me, and more)
• Very easy to set up — most stores can launch a program in under an hour

Cons:

• No native product reviews — you’ll need a separate app (adding cost and complexity)
• Pricing gets expensive quickly, especially at the Growth and Plus tiers
• Free plan is limited to 200 monthly orders, which smaller stores may outgrow fast
• Fewer AI-driven features compared to newer competitors

Ease of Use

Both apps install directly from the Shopify App Store and offer guided onboarding wizards. However, the experience differs:

• Smile.io is widely praised for its intuitive setup. The dashboard is clean, the loyalty panel customizer is drag-and-drop friendly, and most merchants can launch a basic program within an hour without developer help.
• Stamped.io covers more ground, which means more settings to configure. Setting up reviews is straightforward, but adding loyalty, referrals, and NPS on top requires more time. That said, Stamped offers solid documentation and in-app guidance.

For pure simplicity, Smile.io has the edge. For breadth of functionality in a single install, Stamped.io wins.

Integrations

Both platforms integrate with the major Shopify ecosystem tools, but their integration strategies differ:

• Stamped.io integrates with Klaviyo, Omnisend, Attentive, Google Shopping, Meta, and various page builders. Because it handles reviews natively, you need fewer total apps in your stack.
• Smile.io integrates with Klaviyo, Gorgias, Mailchimp, Okendo, Judge.me, Stamped (yes, you can use both together), and dozens of other partners. Its open approach means it plays well with whichever reviews app you choose.

Who Should Choose Stamped.io?

• Shopify merchants who want reviews and loyalty in one app to simplify their tech stack
• Stores that rely heavily on Google Shopping and need star ratings in search results
• Brands looking for an affordable all-in-one solution without juggling multiple subscriptions
• Merchants who value UGC and social proof as a core part of their conversion strategy

Try Stamped.io Free →

Who Should Choose Smile.io?

• Shopify merchants who want a best-in-class, dedicated loyalty program and are happy using a separate reviews app
• Brands building VIP-tier programs with sophisticated rules and escalating rewards
• Stores that already use a reviews app like Judge.me or Okendo and just need loyalty
• Merchants who prioritize ease of setup and want to launch a rewards program quickly

Try Smile.io Free →

Can You Use Stamped.io and Smile.io Together?

Yes — and some merchants do exactly this. A common setup is to use Stamped.io for reviews and UGC and Smile.io for the loyalty program. Both apps coexist on Shopify without conflict, and Smile.io even lists Stamped as an official integration partner.

The tradeoff is cost. Running both apps means two subscriptions, which can add up. For most small-to-mid-size stores, picking one platform and leaning into its strengths is the more practical approach.

Final Verdict: Stamped.io vs Smile.io

Both platforms offer free plans, so the best way to decide is to install each one and test it with your store. No matter which you choose, adding reviews and loyalty to your Shopify store is one of the highest-ROI moves you can make in 2026.

Try Stamped.io Free → Try Smile.io Free →