Almost every “best Shopify apps” list you will read is someone’s opinion dressed up as research. The same dozen names get recycled, ranked by nothing, and padded with apps the writer has probably never installed. We take a different route. We scan live Shopify stores every day, so instead of guessing what merchants should use, we can show you what they actually install, and which apps they quietly run together behind the scenes.

That distinction matters. Popularity is not proof that an app is right for your store, but it is the single best sanity check you have before you spend money. When a tool shows up on a huge share of real stores, that is thousands of merchants voting with their credit cards. When an app that every listicle swears by barely registers in the real data, that tells you something too. Below is the ranking that comes out of the scans, the category picks anchored to it, and the part no opinion post can copy: the app stacks real stores are running side by side.

Key Takeaways
1
The apps on this page are ranked by measured install share across live Shopify stores we scan, not by editorial opinion. The leaderboard below updates itself as the data moves.
2
Popularity is a sanity check, not a prescription. The most-installed app in a category is the safe default, but the right pick depends on your catalog size, your margins, and the specific bottleneck you are solving.
3
The real edge is co-install data. Seeing which apps merchants run alongside each other shows you what a working stack looks like, instead of a shopping list of tools that may fight each other.
4
A handful of names dominate every category. Once you get past them, adoption drops off fast, which is a strong signal about which “must-have” apps are actually optional.

What Shopify Stores Actually Install

Here is the leaderboard. These are the most-installed apps across the live Shopify stores in our index, ranked by the share of stores running each one. It is generated straight from the scan data and refreshes as the numbers move, so it is never a snapshot frozen at publish time.

Just getting your store off the ground? You can try Shopify for free before you begin adding any of these apps.

Most-used apps on Shopify stores

Klaviyo: 34.28%Klaviyo34.3%Judge.me Product Reviews App: 33.5%Judge.me Product Reviews App33.5%Loox ‑ Product Reviews App: 18.79%Loox ‑ Product Reviews App18.8%Countdown Timer: 15.16%Countdown Timer15.2%Recharge: 14.43%Recharge14.4%Yotpo: 10.24%Yotpo10.2%PageFly ✦ Landing Page Builder: 6.91%PageFly ✦ Landing Page Builder6.9%Triplewhale: 6.83%Triplewhale6.8%Rebuy Personalization Engine: 6.82%Rebuy Personalization Engine6.8%Swym Wishlist: 6.53%Swym Wishlist6.5%
Gorgias: 6%Gorgias6%Kaching Bundles: 5.79%Kaching Bundles5.8%Omnisend Email Marketing & SMS: 5.65%Omnisend Email Marketing & SMS5.7%Trustpilot: 5.61%Trustpilot5.6%Instafeed ‑ Instagram Feed: 5.33%Instafeed ‑ Instagram Feed5.3%Hotjar Install: 4.6%Hotjar Install4.6%Shopify Inbox: 4.48%Shopify Inbox4.5%GemPages Landing Page Builder: 4.1%GemPages Landing Page Builder4.1%Cookie Consent: 3.95%Cookie Consent4%Reconvert: 3.68%Reconvert3.7%
RankApp% of storesCategory
1Klaviyo34.3%Email Marketing
2Judge.me Product Reviews App33.5%Product reviews
3Loox ‑ Product Reviews App18.8%Product reviews
4Countdown Timer15.2%Countdown timer
5Recharge14.4%Subscriptions
6Yotpo10.2%Product reviews
7PageFly ✦ Landing Page Builder6.9%Page builder
8Triplewhale6.8%Analytics
9Rebuy Personalization Engine6.8%Checkout - Other
10Swym Wishlist6.5%Wishlists
11Gorgias6%Support - Other
12Kaching Bundles5.8%Product bundles
13Omnisend Email Marketing & SMS5.7%Email Marketing
14Trustpilot5.6%Marketing - Other
15Instafeed ‑ Instagram Feed5.3%Marketing - Other
16Hotjar Install4.6%Analytics
17Shopify Inbox4.5%Support - Other
18GemPages Landing Page Builder4.1%Page builder
19Cookie Consent4%Cookie Consent
20Reconvert3.7%Upsell and cross-sell

Two things jump out, and neither shows up in a normal roundup. First, the drop-off is steep. The top few apps command the lion’s share of stores, and then adoption drops off a cliff. Most of the “essential” apps that fill out competitor lists live far down this chart, which is a polite way of saying most stores get along fine without them. Second, the categories that dominate are the unglamorous ones: email, reviews, and conversion. Nobody writes breathless posts about a countdown timer, yet more real stores run one than run half the apps agencies love to recommend. The rest of this page walks the categories in the order the data actually justifies, not the order that makes for a tidy narrative.

Email and SMS: the Category Nobody Skips

If the leaderboard settles one argument, it is this one. Email and SMS is the category with the highest-adoption single app on the entire chart, and that is not an accident. It is the one marketing channel a store owns outright, the one that keeps paying out long after the ad budget is spent. Skipping it is the most expensive mistake a new store makes, and the data shows merchants have figured that out.

The default is Klaviyo, and its position at the very top of the leaderboard earns it. It is built for segmentation and revenue attribution, which is why it becomes the obvious choice the moment a store has enough order history to segment. It is heavier and pricier than the alternatives, so if your list is small and you mainly want email and SMS in one simpler tool, Omnisend is the more sensible starting point. For the deeper breakdown, see our Klaviyo review.

Now the part you cannot get anywhere else. Here is what stores running Klaviyo also install:

Loox ‑ Product Reviews App: 33.97%Loox ‑ Product Reviews App34%Judge.me Product Reviews App: 33.39%Judge.me Product Reviews App33.4%Yotpo: 26.4%Yotpo26.4%Recharge: 20.85%Recharge20.9%Countdown Timer: 18.05%Countdown Timer18.1%Triplewhale: 16.87%Triplewhale16.9%Gorgias: 15.03%Gorgias15%Rebuy Personalization Engine: 13.68%Rebuy Personalization Engine13.7%Trustpilot: 10.99%Trustpilot11%Swym Wishlist: 10.52%Swym Wishlist10.5%
RankApp% of storesCategory
1Loox ‑ Product Reviews App34%Product reviews
2Judge.me Product Reviews App33.4%Product reviews
3Yotpo26.4%Product reviews
4Recharge20.9%Subscriptions
5Countdown Timer18.1%Countdown timer
6Triplewhale16.9%Analytics
7Gorgias15%Support - Other
8Rebuy Personalization Engine13.7%Checkout - Other
9Trustpilot11%Marketing - Other
10Swym Wishlist10.5%Wishlists

Read that as a portrait of a serious store. A merchant who has committed to Klaviyo is almost never running it alone. They pair it with reviews and social proof, and often a wishlist or conversion tool, because email works best when there is something worth emailing about and proof to back it up. If you are building a stack from scratch, this is the pattern to copy: get the email engine in, then feed it with the apps merchants reliably bolt on next.

Product Reviews: the Most Crowded Category on the Board

Reviews is the only category with multiple apps near the top of the leaderboard, and that tells you social proof is close to non-negotiable now. It also means you have a real choice to make, because the leading review apps are not interchangeable.

Judge.me is the value pick, and its adoption reflects that. It does the core job well at a price that does not scare off a new store, which is why it is where most merchants begin. Loox is the specialist: if photo and video reviews sell your product, apparel, beauty, and home goods especially, its adoption among those stores is no surprise. Yotpo plays a different game entirely, aimed at larger catalogs that want reviews, loyalty, and SMS tied into one platform. Our best app for reviews on Shopify guide compares them in depth, and our Judge.me review digs into the value pick on its own.

The co-install data draws the line between them better than any feature table. Here is what stores running Judge.me run alongside it:

Klaviyo: 34.17%Klaviyo34.2%Loox ‑ Product Reviews App: 18.63%Loox ‑ Product Reviews App18.6%Countdown Timer: 17.29%Countdown Timer17.3%Recharge: 16.59%Recharge16.6%Yotpo: 8.76%Yotpo8.8%PageFly ✦ Landing Page Builder: 8.34%PageFly ✦ Landing Page Builder8.3%Instafeed ‑ Instagram Feed: 7.9%Instafeed ‑ Instagram Feed7.9%Rebuy Personalization Engine: 7.57%Rebuy Personalization Engine7.6%Triplewhale: 7.11%Triplewhale7.1%Omnisend Email Marketing & SMS: 6.61%Omnisend Email Marketing & SMS6.6%
RankApp% of storesCategory
1Klaviyo34.2%Email Marketing
2Loox ‑ Product Reviews App18.6%Product reviews
3Countdown Timer17.3%Countdown timer
4Recharge16.6%Subscriptions
5Yotpo8.8%Product reviews
6PageFly ✦ Landing Page Builder8.3%Page builder
7Instafeed ‑ Instagram Feed7.9%Marketing - Other
8Rebuy Personalization Engine7.6%Checkout - Other
9Triplewhale7.1%Analytics
10Omnisend Email Marketing & SMS6.6%Email Marketing

And here is the stack around Loox:

Klaviyo: 61.98%Klaviyo62%Recharge: 40.33%Recharge40.3%Yotpo: 34.97%Yotpo35%Judge.me Product Reviews App: 33.21%Judge.me Product Reviews App33.2%PageFly ✦ Landing Page Builder: 31.03%PageFly ✦ Landing Page Builder31%Countdown Timer: 21.77%Countdown Timer21.8%Triplewhale: 16.35%Triplewhale16.4%Kaching Bundles: 13.91%Kaching Bundles13.9%Rebuy Personalization Engine: 13.35%Rebuy Personalization Engine13.4%Gorgias: 10.12%Gorgias10.1%
RankApp% of storesCategory
1Klaviyo62%Email Marketing
2Recharge40.3%Subscriptions
3Yotpo35%Product reviews
4Judge.me Product Reviews App33.2%Product reviews
5PageFly ✦ Landing Page Builder31%Page builder
6Countdown Timer21.8%Countdown timer
7Triplewhale16.4%Analytics
8Kaching Bundles13.9%Product bundles
9Rebuy Personalization Engine13.4%Checkout - Other
10Gorgias10.1%Support - Other

The contrast is the useful part. Judge.me shows up in broad, general-purpose stacks, the workhorse choice for stores that want solid reviews without overthinking it. Loox tends to sit in more conversion-focused, visually driven stacks, which fits its photo-first pitch. Pick the review app whose neighbors look like the store you are trying to build, not the one with the longest feature list.

Conversion and Urgency: What Real Carts Actually Run

This is the category the opinion posts underrate hardest. Urgency and scarcity tools are unglamorous, but the leaderboard puts a countdown timer up among the front-runners, ahead of plenty of apps that get far more press. Merchants keep them because they are cheap, they are easy, and they nudge conversion on traffic you have already paid for.

Here is the stack merchants build around a countdown timer:

Klaviyo: 40.8%Klaviyo40.8%Judge.me Product Reviews App: 38.2%Judge.me Product Reviews App38.2%Loox ‑ Product Reviews App: 26.98%Loox ‑ Product Reviews App27%Recharge: 17.39%Recharge17.4%Yotpo: 13.91%Yotpo13.9%Gsc Countdown Timer: 13.23%Gsc Countdown Timer13.2%Kaching Bundles: 11.13%Kaching Bundles11.1%Triplewhale: 10.81%Triplewhale10.8%PageFly ✦ Landing Page Builder: 8.87%PageFly ✦ Landing Page Builder8.9%Rebuy Personalization Engine: 8.74%Rebuy Personalization Engine8.7%
RankApp% of storesCategory
1Klaviyo40.8%Email Marketing
2Judge.me Product Reviews App38.2%Product reviews
3Loox ‑ Product Reviews App27%Product reviews
4Recharge17.4%Subscriptions
5Yotpo13.9%Product reviews
6Gsc Countdown Timer13.2%Countdown timer
7Kaching Bundles11.1%Product bundles
8Triplewhale10.8%Analytics
9PageFly ✦ Landing Page Builder8.9%Page builder
10Rebuy Personalization Engine8.7%Checkout - Other

Notice it is the same email-plus-reviews backbone showing up again, with conversion tooling layered on top. That is the tell: urgency apps are not a strategy on their own, they are an accelerant you add once the fundamentals are in place. If you want to push average order value at the cart and thank-you page rather than just the product page, Rebuy is the upsell engine that shows up on the more sophisticated conversion stacks.

Subscriptions: a Smaller Club Than the Listicles Admit

Subscriptions gets talked about as though every store should have a recurring revenue stream. The data is more honest. A subscription app does sit inside the top tier of the leaderboard, but its adoption sits well below the email and reviews leaders, because subscriptions only make sense for a subset of products. If you sell consumables or anything a customer reorders on a rhythm, it is transformative. If you do not, forcing it is a solution in search of a problem.

For the stores that fit, Recharge is the clear default, and its position on the leaderboard is why it is the safe choice. It is mature, it integrates cleanly, and the merchant base running it is large enough that most problems you will hit have already been solved by someone else.

Page Builders: Where the Leaderboard Splits

Page builders are interesting because adoption is split across more than one contender rather than concentrated in a single winner. That is a signal in itself: there is no runaway default here, so the choice comes down to fit and how much control you want over the editor.

PageFly is the most-installed of the builders and the safe pick for landing pages and custom product pages, with the largest community behind it when you get stuck. GemPages is the closest challenger and leans into a slicker, more design-led editing experience. Neither is wrong; the split adoption tells you merchants genuinely divide on this one. If store design is what you are really solving, our Shopify store design apps roundup widens the field.

Customer Support: the App You Add Later Than You Think

Support tooling sits mid-leaderboard, and that placement is honest rather than disappointing. A helpdesk is not a day-one install. It earns its keep once ticket volume outgrows a shared inbox, and the adoption numbers reflect a category that stores grow into rather than start with.

When they do reach that point, Gorgias is where a large share of them land, because it is built around Shopify and pulls order data straight into the ticket. If you are still small, a lighter live-chat tool covers you for now; the leaderboard suggests you will not need the full helpdesk until support genuinely becomes a job.

The Measurement Stack Serious Stores Run

This is the layer the opinion posts almost never mention, because it does not sell affiliate clicks: analytics and tracking. Most of the tools here are free, which is exactly why they matter. They are the plumbing underneath every store that actually knows why it is winning or losing.

Here is what stores that run Google Analytics install alongside it:

Klaviyo: 48.86%Klaviyo48.9%Judge.me Product Reviews App: 37.77%Judge.me Product Reviews App37.8%Loox ‑ Product Reviews App: 24.85%Loox ‑ Product Reviews App24.9%Recharge: 19.5%Recharge19.5%Yotpo: 15.82%Yotpo15.8%Countdown Timer: 14.48%Countdown Timer14.5%Gorgias: 11.09%Gorgias11.1%Rebuy Personalization Engine: 10.67%Rebuy Personalization Engine10.7%PageFly ✦ Landing Page Builder: 10.54%PageFly ✦ Landing Page Builder10.5%Swym Wishlist: 10.27%Swym Wishlist10.3%
RankApp% of storesCategory
1Klaviyo48.9%Email Marketing
2Judge.me Product Reviews App37.8%Product reviews
3Loox ‑ Product Reviews App24.9%Product reviews
4Recharge19.5%Subscriptions
5Yotpo15.8%Product reviews
6Countdown Timer14.5%Countdown timer
7Gorgias11.1%Support - Other
8Rebuy Personalization Engine10.7%Checkout - Other
9PageFly ✦ Landing Page Builder10.5%Page builder
10Swym Wishlist10.3%Wishlists

And the stack around Microsoft Clarity, the free session-recording and heatmap tool that has quietly spread across serious stores:

Klaviyo: 53.91%Klaviyo53.9%Judge.me Product Reviews App: 43.82%Judge.me Product Reviews App43.8%Loox ‑ Product Reviews App: 28.16%Loox ‑ Product Reviews App28.2%Recharge: 19.79%Recharge19.8%Countdown Timer: 19.49%Countdown Timer19.5%Yotpo: 19%Yotpo19%Triplewhale: 15.75%Triplewhale15.8%Gorgias: 12.94%Gorgias12.9%Rebuy Personalization Engine: 12.23%Rebuy Personalization Engine12.2%Trustpilot: 9.95%Trustpilot10%
RankApp% of storesCategory
1Klaviyo53.9%Email Marketing
2Judge.me Product Reviews App43.8%Product reviews
3Loox ‑ Product Reviews App28.2%Product reviews
4Recharge19.8%Subscriptions
5Countdown Timer19.5%Countdown timer
6Yotpo19%Product reviews
7Triplewhale15.8%Analytics
8Gorgias12.9%Support - Other
9Rebuy Personalization Engine12.2%Checkout - Other
10Trustpilot10%Marketing - Other

The lesson from both charts is that measurement is not one app, it is a small kit that travels together: an analytics platform, a tag manager to wire everything up, and a behavior tool to see where visitors actually get stuck. On the paid side, Triplewhale earns its spot on the main leaderboard as the marketing-attribution default for direct-to-consumer brands that have outgrown the free stack. But most stores should get the free measurement kit solid before they pay for anything fancier.

How to Read This Data for Your Own Store

The point of ranking apps by real adoption is not to tell you to install whatever is on top. It is to give you a floor of proven, low-risk defaults, and then let you deviate on purpose. Copy the leaderboard blindly and you end up with a bloated stack that slows your store down; ignore it entirely and you are gambling on tools nobody else trusts.

The better move is to match a category leader to the specific bottleneck you actually have. Losing sales to abandoned carts, get the email engine in first. Traffic that does not convert, start with reviews and social proof. Support drowning you, that is when the helpdesk earns its place. Then use the co-install charts above as a template for what merchants reliably add next, so your stack grows in a shape that has already worked for thousands of stores rather than a random pile of apps.

And when you want to skip the guesswork entirely, look at what your competitors are already running. Our free Shopify app detector reveals the review, email, upsell, and chat tools on any live store, and the Shopify theme detector shows you the theme underneath. That is the same live data this ranking is built on, pointed at a single store instead of the whole market.

More Shopify App Roundups by Category

Different jobs call for different apps. These roundups compare the best options in each category.

Store operations

Run the back office: Shopify POS apps, order printer apps, apps to back up your store, and store locator apps.

Conversion and merchandising

Help shoppers find and buy: product tabs apps, useful store widgets, shipping progress bar apps, FAQ page apps, and menu apps.

Selling wider and content

Reach more buyers with media and currencies: currency converter apps, video maker apps, and mobile app builders.

Sourcing and data

Source products and read the numbers: AliExpress dropshipping apps, Shopify app statistics, and responsive design apps.