Klaviyo: Product Reviews vs Lean Reviews
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Klaviyo, Oct 13, 2026 for Lean Reviews.
The short answer
- Only Lean Reviews lists a free plan. Paid plans start at $25/month for Klaviyo and $4.99/month for Lean Reviews.
- Lean Reviews lists 6 features Klaviyo’s listing doesn’t mention, including Badges, Custom requests, Grid layout.
Head to head
- United States
- Australia
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Automate reviews with email and SMS
- · Custom questions
- · Import existing reviews
- · Reward customers with unique coupons
Reviews
- · All free features
- · Review request timing based on delivery
Free
- · 10 review request emails/month
- · 2 photos per review
- · 5 discount reward codes/month
- · All display widgets
- · Attribute ratings
- · Up to 50 reviews
Starter
- · 2 photos
- · 250 review request emails/month
- · All display widgets
- · Attribute ratings
- · Unlimited discount codes
- · Up to 500 reviews
Pro
- · 2 photos per review
- · All display widgets
- · Attribute ratings
- · Unlimited discount codes
- · Unlimited review request emails
- · Unlimited reviews
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureKlaviyo Reviews collects text, photo, and video reviews with automated email and SMS requests from prebuilt flows. Verified reviews build trust, and AI helps customers write reviews and drafts your replies in your brand voice. Show ratings, summaries, and reviews in on-brand widgets, sync to Google Shopping, and add custom questions.
All the reviews, none of the slowdown. Every Lean Reviews widget is a native OS 2.0 block — zero global script injection. Collect product and store reviews with star ratings, photo uploads, attribute star ratings, and verified badges. Display as a list, carousel, or photo gallery. Includes merchant replies, social sharing and rich snippets.
- Automate review requests with email and SMS flows
- Showcase top reviews in emails & on your website
- Build segments based on star rating & custom questions
- Reward reviewers with a unique coupon
- Collect product and store reviews with photo uploads and verified purchase badge
- Display reviews as a list, carousel, or photo gallery with a star rating badge.
- Send review request emails via Shopify Flow and reward reviewers with discounts.
- Global and Product type attribute review rating
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Klaviyo |  Lean Reviews |
|---|---|---|
| Detected stores | 22,908 | Not published |
| Net store change, 28 days | +258 | 0 |
| Stores added, 28 days | 497 | Not enough data |
| Big-brand share | 13% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Not published |
| Top store countries | United States, Australia, United Kingdom | Not published |
Reviews
| Measure | Klaviyo | Lean Reviews |
|---|---|---|
| App Store rating | 4.8 ★ | Not published |
| App Store reviews | 234 | Not published |
| New reviews, 28 days | 3 | Not enough data |
| Reviewers a year or more in | 43% | Not enough data |
Pricing
| Measure | Klaviyo | Lean Reviews |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $25/month | $4.99/month(ahead) |
| Longest free trial | Not listed | Not listed |
| Plans listed | 2 | 3 |
Listing
| Measure | Klaviyo | Lean Reviews |
|---|---|---|
| Shopify category rank | #11(ahead) | #399 |
| Shopify App Charts | #23 on the Shoplist 100 | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jun 9, 2022 | May 8, 2026 |
| Languages | 6 | 5 |
| Developer | Klaviyo | Annabelles WIgs Ltd |
FAQ
Klaviyo and Lean Reviews: common questions
- Is Klaviyo or Lean Reviews cheaper?
- Only Lean Reviews lists a free plan. Paid plans start at $25/month for Klaviyo and $4.99/month for Lean Reviews. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Klaviyo lists 5 the others don’t mention, such as All reviews page, Product grouping, Q&A, Review summaries. Lean Reviews lists 6 the others don’t mention, such as Badges, Custom requests, Grid layout, Review highlights. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 9, 2026 for Klaviyo, Oct 13, 2026 for Lean Reviews; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 9, 2026 for Klaviyo, Oct 13, 2026 for Lean Reviews. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.