Shopify App Store · refreshed 1 minute ago

Best Product comparison apps for Shopify.

187 active apps, 2,641 total reviews, 4.72★ average. Live App Store data, daily rank-race for the top incumbents, and the apps merchants picked this week.

Active apps

187

live in this category today

Total reviews

2.6k

across the niche

Avg rating

4.72

review-count weighted

Built for Shopify

of the niche carries the badge

Free apps

10%

or freemium

Leaderboard

Top 20 product comparison apps.

Ordered by live position on the Shopify product comparison category page — what merchants actually see browsing the niche — filtered to 4.0★+ for credibility. The ↑ arrow marks 7-day climbs on the category page; +N is new reviews in the same window.

Review growth

Top incumbents, traced daily.

Cumulative review count per day for the niche’s most- reviewed apps. The slope of each line IS the velocity — steeper slopes mean faster growth. Lines pulling away from the pack are the niche’s actual momentum leaders.

Kiwi Size Chart & Recommender1.0k
Smart Size Chart & Fit Finder134
BF Size Chart & Size Guide124
ESC Size Charts121

Tracked daily from Ongoing.AI's review-stats snapshots. Each point is the day's observed total review count, collapsed to one observation per day.

Shape of the niche

Pricing and rating distributions.

Where merchants actually pay, and where merchant sentiment actually lands. Useful for “is this niche price-anchored?” and “is the bar genuinely 4.5★+ or more like 3.8★?”

Pricing

Where this niche prices.

Free12.8% · 24
Under $20/mo62.6% · 117
$20–$49/mo14.4% · 27
$50–$99/mo4.3% · 8
$100+/mo5.9% · 11

Rating

Where this niche rates.

5.0★56% · 51
4.5 – 4.99★26.4% · 24
4.0 – 4.49★12.1% · 11
3.0 – 3.99★4.4% · 4
Below 3.0★1.1% · 1

Momentum · last 28 days

Who’s growing.

Apps adding the most reviews over the last 28days — the niche’s actual growth leaders, not just the cumulative incumbents. Pulled from Ongoing.AI’s daily review-count history.

Full directory

All 187 product comparison apps.

Every active app Ongoing.AI tracks in this category, best-first by review count. Each links through to its live report — ratings, install footprint, review fingerprint, and rank trajectory.

Methodology

Where the numbers come from.

Ratings, review counts, pricing, “Built for Shopify,” and category memberships come from the live Shopify App Store listing — refreshed daily by Ongoing.AI’s crawler. The leaderboard filters to apps rated 4.0★+ then orders by review count: a credibility-weighted definition of “best.” Rank race and movers come from daily category-page archives — each day’s position is the best (lowest) rank we observed across all pages of the Product comparison category. New entries are apps whose first-seen date lands in the last 28 days. Snapshot generated 1 minute ago.

Watch every product comparison switch as it happens.

Ongoing.AI tracks every Shopify brand’s app stack daily. Find the merchants on each app, catch the moment they install or churn, and reach out the same day.

Request access All categories →

Best Product comparison apps for Shopify.

Top 20 product comparison apps.

Kiwi Size Chart & Recommender

Smart Size Chart & Fit Finder

BF Size Chart & Size Guide

ESC Size Charts

W3 Product Accessories

CSC: Size Chart & Size Guide

GA: Size Chart & Size Guide

Jotly Size Chart & Size Guide

LV Product Badges & Size Chart

Tably Comparison & Spec Tables

Antla AI Virtual Try On

Libautech: Amazon Buy Button

Bear Specs & Compare

ILM Size Chart & Size Guide

Equate ‑ Product Compare

Fit Quiz: Size Recommender

Pify Size Charts & Size Guides

Zify: Size Chart & Size Guide

GenLook: AI Virtual Try On

TableFlow Specification Table