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Conditional Logic for WooCommerce Product Add-Ons is an extension to the official <a href="https://woocommerce.com/products/product-add-ons/" rel="nofollow ugc">WooCommerce Product Add-Ons plugin</a>. With the help of this extension, you can set up conditional logic for Add-ons fields to either show or hide them based on what the user chooses, write or upload in other fields. Also you can determine to display add-ons fields only for specific product variations.
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Important links: 
<a href="https://meow-crew.com/plugin/conditional-logic-for-product-add-ons" rel="nofollow ugc">Premium Version Page</a> | <a href="http://conditional.meow-crew.com/demo/" rel="nofollow ugc">Demo for Plugin Testing</a> | <a href="https://meow-crew.com/documentation/conditional-logic-for-woocommerce-product-add-ons-documentation" rel="nofollow ugc">Plugin Documentation</a>
Conditional Logic is designed to work with any field of Product Add-ons, and each field can have its own rules. Fields for which you set conditions can be shown or hidden if Any or All requirements are met. Conditions – set of rules of what the user (your customer) should choose, write or define in other fields. Let’s say you offer two types of Gift Wrap options (Free and paid), and you’d like to offer an ‘Add a message’ service to the Paid option only – then you set the ‘Short text’ field to be visible only when the customer chose the Paid option. 
In the Premium version of the plugin you can also add conditions to show Product Add-ons field only when user select specific Product Variation. This feature can work alone or you can combine it with another conditions based on other add-ons fields output.
Types of conditions depend on the kind of field you use as the condition.
Multiple choice and Checkboxes types can be conditioned as: 
Is checked – when the customer selects the needed option 
Is not checked – when the customer selects or checks anything besides the specified option
Short Text and Long Text have the following condition types: 
Is – text entered by a customer fully complies with your value 
Is not – text entered by a customer is not the same as your value 
Is empty – the customer does not enter any text 
Is not empty – the customer enters any text 
Text contains – text entered by the customer contains something specific anywhere in the text 
Text does not contain – text entered by the customer does not contain what you specified anywhere in the text 
Text starts with – text entered by the customer starts with anything specific 
Text ends with – text entered by the customer ends with anything specific
File upload field type may have the following logic: 
Is selected – if the customer has chosen a file to upload 
Is not selected – if the customer has not chosen a file to upload yet
Customer Defined Price and Quantity are numeric types of fields, and their conditions may be: 
Is – price entered by customer or selected quantity is equal to your value 
Is not – price entered by customer or quantity is anything besides the value you set 
Is greater than – price entered by customer or quantity is greater than the value 
Is less than – price entered by customer or quantity is less than the value 
Is greater than or equal – price entered by customer or quantity is greater than or equal to the value 
Is less than or equal – price entered by customer or quantity is less than or equal to the value
Those conditions are available to you in the general add-ons section as well as on the product level.
Note: you should have <a href="https://woocommerce.com/products/product-add-ons/" rel="nofollow ugc">WooCommerce Product Add-Ons plugin</a> installed and configured. 
You can find detailed instructions on how to hide and show WooCommerce Product Add-On options here in <a href="https://meow-crew.com/documentation/conditional-logic-for-woocommerce-product-add-ons-documentation" rel="nofollow ugc">plugin’s documentation</a>

Conditional Logic for Woo Product Add-ons


Have set up many products when realized the woocommerce addons plugin does not allow me to hide/show them conditionally. This addon solves the issue perfectly!



 It'd have took a lot of time to switch to another addon plugin.



Thanks!


Good one!

Show or hide certain fields of the WooCommerce Product Addons based on other fields' values or states (eg, show field X when option Y is selected …

Themology

Smart Input Pricing adds a customizable input field to your WooCommerce product pages, where customers can enter names, messages, or text, and be charged based on the number of letters, words, or per message. Useful for personalized products like engraving, printing, and custom services.
Designed for personalized shops that need pricing based on customer input.
Key Features:
<ul>
<li>Per-letter, per-word, or per-message pricing modes</li>
<li>Custom input label per product</li>
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<li>Field validation (required, min/max length, character blacklist)</li>
<li>Works with WooCommerce Cart & Checkout Blocks</li>
<li>Displays input on cart, checkout, order received, and order details</li>
<li>Compatible with WooCommerce HPOS (High Performance Order Storage)</li>
<li>Admin styling controls: label color and label position</li>
<li>Works with WooCommerce HPOS and Checkout Blocks</li>
</ul>

Smart Input Pricing for WooCommerce

Add smart pricing to WooCommerce products based on user input (per letter, word, or message) with live preview and full order support.

Conditional Logic for Woo Product Add-ons vs Smart Input Pricing for WooCommerce