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Best Checkout Software (2026)

Your checkout is where revenue happens. We ranked tools on checkout speed, mobile UX, payment options, and upsell logic.

Tested hands-on · Last updated November 2026

Checkout speed

Load time and steps to purchase on mobile.

Payment options

Gateways, split pay, trials, and subscriptions.

Upsell logic

Bumps, one-click upsells, and downsells.

Tax handling

Sales tax and VAT support.

Ranked list

  1. #1 Checkout
    1TC

    ThriveCart

    4.8 / 5Lifetime

    The most flexible checkout logic we tested.

    Starting price
    $495 one-time lifetime license
    3-year cost
    $495
    Best for
    Creators, coaches, course sellers, agencies, and digital product businesses
    Standout
    Lifetime checkout, upsells, bumps, and affiliate tools without recurring platform fees
    • One-time lifetime pricing
    • No recurring platform fee on the Standard license
    • Strong checkout, bump, and upsell toolkit
    • The upfront price is higher than a monthly starter plan
    • Some advanced capabilities may depend on Pro+ or add-ons
    Read ReviewVisit Website
  2. Best Free Checkout
    2SY

    Systeme.io

    4.7 / 5Monthly

    Order bumps and upsells included, even on the free plan.

    Starting price
    Free plan available; paid plans from $17/month
    3-year cost
    $612
    Best for
    Beginners building their first funnel
    Standout
    Free plan with funnels, email, courses & affiliates
    • Genuine permanent Free plan
    • No credit card required to start
    • Funnels, email, courses, and automation in one platform
    • Advanced needs require a paid plan
    • Design and customization can be less flexible than specialist tools
    Read ReviewVisit Website
  3. Best for WooCommerce
    3CA

    CartFlows

    4.3 / 5Yearly

    A major upgrade over the stock Woo checkout.

    Starting price
    From $99/year or $699 one-time
    3-year cost
    $297
    Best for
    WooCommerce stores on WordPress
    Standout
    Replaces the default WooCommerce checkout
    • Annual and lifetime purchase options
    • Native WooCommerce funnel and checkout features
    • Order bumps and one-click upsells
    • Starter renews at $149/year after the introductory first year
    • Lifetime plans require a large upfront payment
    Read ReviewVisit Website