Shopify app comparison · refreshed

Klaviyo vs Attentive

Two of the largest print-on-demand apps in the Shopify ecosystem, compared on the dimensions merchants actually weigh: ratings, review-count momentum over the last year, pricing, customer-support sentiment, bugs, and what reviewers uniquely call out. Built from 3,034 live Shopify App Store reviews.

Klaviyo

Klaviyo: Email Marketing & SMS

AI marketing and customer service automation for email marketing, SMS, and WhatsApp to grow faster.

Rating
4.70
Reviews
2,921
12-mo Δ reviews
+129
12-mo Δ rating
+0.10
Pricing
From $15/mo
Built for Shopify
No

Attentive

Attentive: AI‑led Email &SMS

AI-powered mobile email and SMS marketing platform enabling personalization at scale.

Rating
4.70
Reviews
113
12-mo Δ reviews
-1
12-mo Δ rating
+0.10
Pricing
From $0/mo
Built for Shopify
No

What the data says

Klaviyo carries the rating edge (0.00 stars). Klaviyo added more reviews last year.

Both apps live in the same Shopify category but merchants describe them differently. Klaviyo reviewers disproportionately call out integration depth and predictable fulfillment; Attentive reviewers disproportionately call out provider choice and unit-cost pricing. The decision usually comes down to which one of those two failure modes hurts your business more.

Side-by-side by axis

What merchants actually say.

Semantic search across the review corpus, bucketed by sentiment, with the strongest positive and negative quotes per side.

customer support

Klaviyo

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

Attentive

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

pricing

Klaviyo

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

Attentive

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

ease of use

Klaviyo

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

Attentive

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

onboarding

Klaviyo

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

Attentive

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

bugs

Klaviyo

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

Attentive

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

performance

Klaviyo

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

Attentive

0 mentions

0% positive · avg rating

No standout quotes yet — corpus is still warming.

What each is known for

Themes reviewers raise.

The topics that surface most across reviews — the shared backbone and what each app is uniquely known for.

Klaviyo

  • customer-support223
  • pricing131
  • ease-of-use49
  • onboarding34
  • bugs31
  • bug26
  • performance25
  • billing-issues24

Uniquely pricing · onboarding · bug · billing-issues · missing-features · billing

Attentive

  • ease-of-use2
  • bugs1
  • ui-design1
  • customer-experience1
  • customer-support1
  • integration1
  • reporting1
  • performance1

Uniquely ui-design · customer-experience · integration · reporting

Shared themes

customer-supportease-of-usebugsperformance

Same Shopify categories

Email marketingSMS marketing

Methodology

Where the numbers come from.

Ratings, review counts, pricing, and the “Built for Shopify” flag come from the live Shopify App Store listing — refreshed daily. Trend deltas compare the snapshot from 365 days ago against today. Sentiment counts and quotes are derived from semantic search across the live review corpus, bucketed by rating sign — every quote on this page is a real review, not a paraphrase. Snapshot generated .

Watch the next stack change as it happens.

Ongoing.AI tracks every Shopify brand’s app stack daily. Find the merchants running Klaviyo or Attentive, and the moment they switch.