Quantity Selector Plus vs Slash Checkout Plus

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Quantity Selector Plus, Sep 3, 2026 for Slash Checkout Plus.

The short answer

    Head to head

    Detected stores

    Quantity Selector Plus: 2
    Slash Checkout Plus: —

    App Store reviews

    Quantity Selector Plus: —
    Slash Checkout Plus: 2
    Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
    Pitch
    —
    —
    Categories
    • Checkout - Other
    • Checkout - Other
    Languages
    • English
    • English
    Launched
    Jun 11, 2024
    Dec 26, 2023
    Built for Shopify
    Not badged
    Not badged
    Reviews per month
    —
    1 last full month
    Detected stores
    2active installs
    • Pebby Forevee
    • Self Reliance Outfitters
    0active installs
    Most common store size
    1,001-5,000 products50%
    —
    Top countries
    • United States100%
    —

    Momentum

    New reviews each month

    Review pace is the clearest public read on how fast an app is winning new merchants.

    011MayJulSlash Checkout Plus: 1 reviews in May 2025Slash Checkout Plus: 1 reviews in July 2025
    Quantity Selector PlusSlash Checkout PlusCompleted months only
    Free options
    Free planFree trial
    Free planFree trial
    Monthly range
    $4.99/month
    —
    Plans
    Monthly$4.99/month
    14-day free trial
    • · 24/7 Support
    • · Customizable Quantity Adjustments
    • · Easy Integration
    • · Localization Support
    • · Mobile-Friendly Design
    Free
    Coverage
    0 of 0 features0%
    0 of 0 features0%
    Unique strengths
    —
    —
    000onlybothonly
    Quantity Selector PlusSlash Checkout Plus0 features listed across both App Store listings

    Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.

    See every feature
    Works with also listed by another
    • Checkout
    • Checkout
    • Customer accounts
    How it sells itself

    "Quantity Selector Plus" empowers store owners by allowing customers to adjust item quantities directly in the checkout process, solving the problem of limited cart flexibility. Ideal for merchants aiming to enhance user experience and increase sales, this app streamlines the buying process, reduces cart abandonment, and improves customer satisfaction.

    Customize checkout for higher checkout experiences. Establish trust with your customers by giving them confidence when they checkout it is secure and trustworthy. Drag and drop components into checkout using the new checkout editor. Increase sales with cross sells, Trust badges, text, image with text, delivery date selector & notes, and more. Built specifically for Shopify Plus using checkout extensibility.

    Key points
    • Customizable Quantity Selector: Adjust item quantities directly in the checkout
    • Element Control: Hide/Show quantity input, remove button, and variant selector
    • Localization Support: Fully localizable to cater to a global customer base.
    • Customize checkout with custom content text, links, images.
    • Add custom fields to checkout for customer instructions, Custom Message, choice
    • Customize checkout with Customer set product delivery date.
    • Add trust badges and payment icons to the Checkout page.
    Screenshots
    Element Control
    Customizable Quantity Selector24/7 Support
    Checkout by Slash
    Checkout by SlashCheckout by SlashCheckout by Slash

    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.

    Showing only the rows where the apps differ.

    Adoption

    MeasureQuantity Selector PlusSlash Checkout Plus
    Detected stores2as of Nov 8, 2026Not published
    Net store change, 28 days0estimated0estimated
    Stores added, 28 daysNot enough dataNot enough data
    Big-brand shareNot enough dataNot enough data
    Top store categoriesApparel & Accessories, Sporting GoodsNot published
    Top store countriesUnited StatesNot published

    Reviews

    MeasureQuantity Selector PlusSlash Checkout Plus
    App Store ratingNot published3.3 ★
    App Store reviewsNot published2
    New reviews, 28 daysNot enough dataNot enough data
    Reviewers a year or more inNot enough dataNot enough data

    Pricing

    MeasureQuantity Selector PlusSlash Checkout Plus
    Free planNot listedNot listed
    Lowest paid monthly plan$4.99/monthNo monthly plan listed
    Longest free trial14 daysNot listed
    Plans listed1Not published

    Listing

    MeasureQuantity Selector PlusSlash Checkout Plus
    Shopify category rank#229in Checkout - OtherNot enough data
    Shopify App ChartsNot on this week’s chartsNot on this week’s charts
    Built for ShopifyNoNo
    LaunchedJun 11, 2024Dec 26, 2023
    Languages1English1English
    DeveloperWidgets FactorySlash Themes

    FAQ

    Quantity Selector Plus and Slash Checkout Plus: common questions

    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 8, 2026 for Quantity Selector Plus, Sep 3, 2026 for Slash Checkout Plus; 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 8, 2026 for Quantity Selector Plus, Sep 3, 2026 for Slash Checkout Plus. 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.