The 10 Best Ultimate Sales Boost Apps for Shopify

The top 10 apps merchants see when they search the Shopify App Store for ultimate sales boost, in the exact order the store ranks them. Only Shopify's organic ranking is shown, never sponsored ads.

Updated September 8, 2026 · Organic ranking

Where an offer sits decides what it is allowed to do, and the rules get stricter the further along the customer is. On the product page and in the cart, an offer is just an addition to the cart. On the checkout page itself, an extension can still change cart lines directly. Once payment is taken, that stops: Shopify documents that write access is not available on thank-you page targets because the order is complete.

So the familiar "add this before you go" screen after payment is not an ordinary page block. It is a separate post-purchase extension that appears after the order is confirmed and before the thank-you page, it depends on the customer's payment method already being stored, and it comes with real constraints: access has to be requested from Shopify, there is a cap on accepted offers per checkout, a minimum order value, it is online store only, and it does not appear on local delivery orders. Two listings using the same phrase can therefore mean quite different things.

  1. 1 Hextom: Upsell Sales Boost logo

    Hextom: Upsell Sales Boost

    4.8 (1,534 reviews) · Free plan available

    Increase AOV with upsell, bundle, BOGO, countdown and trust

    Built for Shopify
  2. 2 Zeno Ultimate Sales Boost logo

    Zeno Ultimate Sales Boost

    · Free plan available

    Promote sales with personalized product bundles and offers

  3. 3 Post Purchase Upsell—ReSell logo

    Post Purchase Upsell—ReSell

    5.0 (62 reviews) · Free to install

    Boost AOV by reconverting Thank You Page and Checkout Upsells

    Built for Shopify
  4. 4 Upsell Kit: BOGO, Bundle & 30+ logo

    Upsell Kit: BOGO, Bundle & 30+

    4.2 (118 reviews) · Free trial available

    All-in-One App: Preorders, Post Purchase Upsells, Sales Pop Up

    Built for Shopify
  5. 5 Sales Pop up ‑ Boost Sales Ace logo

    Sales Pop up ‑ Boost Sales Ace

    4.9 (27 reviews) · Free

    Boost sales by showcasing sales popup of recent orders

  6. 6 Dollarlabs: Ultimate Discounts logo

    Dollarlabs: Ultimate Discounts

    5.0 (48 reviews) · Free trial available

    Create any automatic and manual discount you can imagine.

    Built for Shopify
  7. 7 BoostX: Sales Boost Sections logo

    BoostX: Sales Boost Sections

    · Free trial available

    Improve sales with 15 popular sections

  8. 8 Rockit Discounts & Sales App logo

    Rockit Discounts & Sales App

    5.0 (494 reviews) · Free plan available

    Run Flash Sales & Scheduled Discounts with Bulk Price Editor

    Built for Shopify
  9. 9 Ultimate Product Options logo

    Ultimate Product Options

    5.0 (8 reviews) · Free plan available

    Custom product options, variants, add-ons & product customizer

  10. 10 Sales Triggers: Boost Sales logo

    Sales Triggers: Boost Sales

    5.0 (1 reviews) · Free plan available

    Import AliExpress reviews, all-in-one app to boost sales.

Compare the top 3 head-to-head

All app comparisons →

What to look for in a Ultimate Sales Boost app

Which surface you actually need
Product page, cart, checkout and after payment are four different products with four different sets of limits. Decide where the offer belongs for what you sell, then check that the listing genuinely reaches it rather than mentioning it.
What decides the recommendation
Hand-picked pairs are predictable and stay correct only while you maintain them. Automatic recommendations scale and occasionally suggest something silly. Look for the ability to do both, and to exclude products that should never be offered.
How the offer looks on a phone
This category adds blocks to pages that are already busy, and on mobile an offer between the cart and the checkout button is a hurdle. Judge it on a real phone with your theme, and be willing to run fewer offers.
What a post-purchase acceptance does to the order
If the offer lands after payment, ask exactly what happens: one order or two, how shipping is charged on the addition, what your fulfillment system sees, and how a refund is handled. This is where an upsell can quietly create work for your support team.
Overlap with what you already run
Recommendations, frequently bought together and bundles all appear in this grid, and several listings sell all of them. Stacking two apps that both inject offers into the cart is how a page ends up with three competing suggestions.

Frequently asked questions

Which is the best Ultimate Sales Boost app for Shopify?

Based on the Shopify App Store's own organic ranking for "ultimate sales boost", Hextom: Upsell Sales Boost currently holds the #1 spot, with a 4.8 star rating across 1,534 reviews. The best choice for your store still depends on your requirements, so compare the top results above.

How is this ranking determined?

We record the organic results merchants actually see when searching the Shopify App Store for "ultimate sales boost", refreshed daily. Shopify's own sponsored ("Ad") results are excluded, so positions reflect its real search ranking rather than paid promotion. Source: the Shopify App Store search results for "ultimate sales boost", you can verify the current ranking there yourself.

Which Ultimate Sales Boost apps are Built for Shopify?

5 of the top 10 ultimate sales boost apps hold the Built for Shopify badge: Hextom: Upsell Sales Boost, Post Purchase Upsell—ReSell, Upsell Kit: BOGO, Bundle & 30+, Dollarlabs: Ultimate Discounts, Rockit Discounts & Sales App.

What does the Built for Shopify badge mean?

Built for Shopify
Built for Shopify is the highest level of recognition Shopify awards an app. To earn the badge, an app must meet Shopify's standards for safety, performance, ease of use, and proven usefulness: it cannot slow down the admin, storefront, or checkout, must integrate seamlessly into the Shopify admin, and must demonstrate quality through installs, reviews, and ratings over time. When comparing similar apps, preferring ones with the badge is a safe default. Learn more about the Built for Shopify badge →

As of September 8, 2026, the top-ranked ultimate sales boost app on the Shopify App Store is Hextom: Upsell Sales Boost, with a 4.8 star rating across 1,534 reviews. 5 of the top 10 carry the Built for Shopify badge, and the average rating is 4.9 stars across 2,292 reviews.

Related keyword rankings

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Rankbase helps Shopify app developers track keyword positions, analyze install click data, and optimize app listings to rank higher in the Shopify App Store.

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Built by Craftshift

Rankbase is made by Craftshift, a Shopify Partner building apps for product images, variants, and bulk catalog work. We built Rankbase to track the App Store rankings of our own apps first, then opened it to other developers, and this directory grew out of that work. The rankings on these pages are Shopify's own organic search results; we never edit them, including for our own apps.

Craftshift apps on the Shopify App Store