Alternatives

Best alternatives to Checkout Blocks & Customizer for Shopify

Checkout Blocks & Customizer — Create powerful checkout & post-purchase experience with upsells, one-click discounts, item edits, dynamic fields & block, address validation and payment rules. These are the top-rated Forms Shopify apps to consider instead of Checkout Blocks & Customizer, ranked by Ecomgraph rating and review data.

10 alternatives · Forms

1

E-TRADE PARTNER · since 2024 · Upsell and cross-sell

SMART Checkout Rules helps merchants control the checkout experience using flexible conditions. Validate checkout or hide, block, sort, or rename p...

2

Shopify Checkout Blocks

Built for Shopify

Shopify · since 2022 · Promotions

Customize your Checkout, Thank you and Order status pages

4

Rokt · since 2019 · Marketing and conversion

Lift AOV with 1-Click Checkout Upsells & Thank You Page Offers

5

Plus Apps · since 2022 · Upsell and cross-sell

Customize Checkout Page & Thank You Page + Upsells, Free Gifts

6

Craftly · since 2025 · Discounts

Customize checkout rules to drive sales and reduce risk

7

AOV.ai · since 2025 · Upsell and cross-sell

Increase AOV with 1-Click Upsell & Thank you page offers

Checkout Blocks & Customizer alternatives — FAQ

What is the best alternative to Checkout Blocks & Customizer?
SMART Checkout Rules & Upsells is the highest-rated alternative to Checkout Blocks & Customizer in the Forms category, with a 5.0 rating across 534 reviews. See the full ranked list above.
Are there free alternatives to Checkout Blocks & Customizer?
Some Forms apps offer free or freemium plans. Each app above links to its Ecomgraph page where you can see normalized pricing tiers and per-plan features.
How are these Checkout Blocks & Customizer alternatives ranked?
Alternatives are other Forms Shopify apps ranked by Ecomgraph data — primarily average rating weighted by review count — excluding Checkout Blocks & Customizer itself.