Best Checkout apps for Shopify

Advan Software · since 2024 · Cart customization

Boost conversions/AOV with auto-added free gifts and upsells.

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

WizzCommerce · since 2025 · Checkout

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

Spikecom group FZCO · since 2025 · Marketing and conversion

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

Oxify App · since 2024 · Upsell and cross-sell

post purchase upsell, checkout upsell & thank you page upsell

VOL Apps · since 2026 · Pricing

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

Navidium Apps · since 2023 · Checkout

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

Productive Passengers · since 2026 · Marketing and conversion

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

Edi & P · since 2022 · Store design

Direct checkout links — Meta, TikTok, DM, email, gifting & B2B

Scalix eCom · since 2024 · Discounts

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

Simesy · since 2021 · Cart customization

COD fee, hide shipping & payment methods with checkout rules

ApollosWave, LLC · since 2021 · Warranties and insurance

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

veliora venture · since 2022 · Upsell and cross-sell

Customers can Reorder items with one click !

codelayer GmbH · since 2024 · Pricing

Easily add fees and surcharges to your products and cart.

Tsun Inc. · since 2024 · Order limits

No‑code limits for quantity and price to prevent errors