Shopify App Comparison 2026

O: WhatsApp Chat, Contact Form

4.9271 reviews
VS

Klaviyo Reviews

4.8198 reviews

Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for O: and Klaviyo Reviews to find the best fit for your store.

WhatsApp and contact form integration for customer communication.

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Key Features

  • Build customer support via Messenger, Telegram, and Instagram
  • Multi-channel chat button for preferred platforms
  • Customizable chat widget styling, device/page targeting, and welcome messages
  • Analytics measuring chat channel effectiveness
  • Messenger welcome message boxes

Build 5-star experiences for your customers

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Key Features

  • Native integration with Klaviyo email and SMS marketing
  • Collect product reviews with photos and star ratings
  • Review data syncs to Klaviyo customer profiles for segmentation
  • Automated review request flows within Klaviyo
  • Customizable review display widgets for product pages

Verdict on Klaviyo

Klaviyo Reviews makes the most sense for merchants already invested in the Klaviyo ecosystem. The tight integration between reviews and email marketing is its killer feature — you can segment customers by review behavior and include dynamic review content in campaigns. However, as a standalone review app, it lacks some features offered by dedicated solutions like Judge.me or Loox. Choose this if Klaviyo is your primary marketing platform.

Frequently Asked Questions

Do I need a Klaviyo subscription to use Klaviyo Reviews?

The review collection and display features are free, but the full value comes from integration with Klaviyo email and SMS marketing, which requires a Klaviyo subscription. Without Klaviyo, you would be better served by a standalone review app.

Can I migrate reviews from another app to Klaviyo Reviews?

Yes, Klaviyo Reviews supports importing reviews from other platforms via CSV. This makes it possible to switch from apps like Judge.me or Loox without losing existing review data.

How does review data integrate with Klaviyo segmentation?

Review activity such as leaving a review, review rating, and review content syncs to Klaviyo customer profiles. You can create segments based on this data, for example targeting customers who left 5-star reviews for referral campaigns.