Best Checkout apps for Shopify

SCALA · since 2024 · Discounts

Offer payment method & prepaid discounts during checkout

Checkout Components · since 2023 · Upsell and cross-sell

Personalise Checkout; Segment, Upsell, A/B Testing & Content

CartyLabs · since 2021 · Cart customization

Boost Sales with In-Cart Upsells, Free Gifts, Rewards & Deals

Magical Apps · since 2024 · Checkout

Address Validator for Checkout Validation • Stop Bad Orders

GEFA Technology · since 2024 · Upsell and bundles

Boost AOV with upsells, free gifts, progress bar & urgency.

Shiprocket · since 2025 · Marketing and conversion

Customizable cart with milestone rewards and upsell offers

VOL Apps · since 2026 · Pricing

Add product fees & surcharges to checkout, POS, cart & orders

WizzCommerce · since 2025 · Marketing and conversion

Boost CTR by sticky add to cart button, buy now button

Navidium Apps · since 2023 · Cart customization

Custom slide cart, bundles, ab testing, bundles, and discounts

Oxify App · since 2024 · Upsell and cross-sell

Post purchase upsell, checkout upsell & thank you page upsell

Edi & P · since 2022 · Store design

Direct checkout links — Meta, TikTok ads, DMs, email & gifting

Spikecom group FZCO · since 2025 · Upsell and cross-sell

Cart upsells, rewards, add-ons, trust badges & alerts

Scalix eCom · since 2024 · Discounts

Progress Bar, Free Shipping bar & Free Gift to Boost AOV

ApollosWave, LLC · since 2021 · Orders and shipping

High Converting AI Slide Carts w/ Self-Insurance Upsells Gifts

Simesy · since 2021 · Cart customization

Sort, rename, hide payment methods with powerful payment rules

Productive Passengers · since 2026 · Marketing and conversion

Free gift with purchase app for auto add to cart targeted gift

codelayer GmbH · since 2024 · Pricing

Easily add fees and surcharges to your products and cart.

pifyapp · since 2025 · Order limits

Manage sales by order limits, MOQ & min. qty checkout rules

Tsun Inc. · since 2024 · Order limits

No‑code limits for quantity and price to prevent errors

CCL · since 2024 · Payment experience

Hide payment methods, sort, reorder, rename them conditionally