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One Rules Engine for Checkout. Control line items, validation, shipping & payment — all in one place
Take full control of checkout with Tweakday Checkout Rules — the all-in-one rules engine for line items, validation, shipping, and payment. Add gifts, warranties, or fees automatically, block fake or risky orders, and customize delivery and payment options — all without writing code. Built with Shopify Functions, it runs instantly, loads natively, and lets merchants build visual rules while developers extend logic using checkout attributes and conditions.
- Add gifts, warranties & bundles as real line items in checkout
- Block fake, invalid, or risky orders with smart validation rules
- Hide, rename, or reorder delivery options using shipping rules
- Show or hide payment methods by cart value, country, or COD type
- Launch fast with 60+ prebuilt checkout rules — no coding needed
- Highlights
- Use directly in Shopify admin
Languages
English, French, Spanish, Portuguese (Brazil), Chinese (Simplified), and German
Works with
Categories
Cart display
Upselling
Checkout customization
Pricing
Free Plan
Free
- 1 Shipping Rule
- 1 Payment Rule
- 1 Validation Rule
- Custom Templates
- Standard Support
Starter Plan
$9.99 / month
or $99.50/year and save 17%
- Up to 5 Shipping Rules
- Up to 5 Payment Rules
- Up to 5 Validation Rules
- Line Item Rules (multiple rules)
- Custom Templates
- Priority Support
Pro Plan
$24.99 / month
or $248.90/year and save 17%
- Up to 25 Shipping Rules
- Up to 25 Payment Rules
- Up to 25 Validation Rules
- Line Item Rules (multiple rules)
- Custom Templates
- Priority Support
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.
Reviews (3)
- 100% of ratings are 5 stars
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0% of ratings are 4 stars
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0% of ratings are 3 stars
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0% of ratings are 2 stars
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0% of ratings are 1 stars
Tweakday Checkout has a very clear and intuitive UI. Within just a few minutes we were able to set up checkout rules, adjust the order of payment methods, and even customize the names of payment methods. These are features that Shopify does not provide out of the box, but this app makes them possible, even in the free version.
We compared it with five other checkout rules apps, but either they did not work properly or they required payment even for the smallest tweak. Tweakday clearly stood out.
Ayoub
Kingspan Light + Air
Thank you so much, Ayoub! 🌟 We’re glad to hear Tweakday Checkout made it easy for you to set up rules and customize your checkout experience. Your feedback about standing out from other apps means a lot to us, and we’ll keep working hard to deliver even more powerful features while keeping things simple and accessible. 🚀
— The Tweakday Team
Very user-friendly app that absolutely fulfills its purpose. We highly recommend it.
Thank you so much for your kind words and recommendation! 🌟
We’re glad to hear Tweakday Checkout is helping you achieve your goals. Your feedback motivates us to keep improving and adding more features to make checkout even smoother. 🚀
I had been looking for a simple checkout validation app to display an error message on specific checkout fields for certain countries for ages..tried many, but they either didnt function well or required Shopify Plus accounts.
I was so happy to find Tweakday Checkout! I had a small issue with display on my theme, but support (from Baharat) was fantastic, and their UI is super simple and intuitive to use.
Definitely recommend this app for simple checkout validations and rename/hide/reorder for payments & delivery fields.
Thank you guys!
Thank you so much! We're really glad Tweakday Checkout worked out for you. Appreciate the kind words and recommendation — we're here if you ever need anything! 😊
Support
App support provided by Tweakday.
Get supportData access
This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .
View personal data:
Store owner
-
Store owner
Name, email address, phone number, physical address
View and edit store data:
Shopify Functions
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Edit Shopify Functions
Cart transforms, Access for delivery customizations, Access for payment customizations, or cart and checkout validations
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