OpenCart Product Review Coupon

The Review and Coupon module for OpenCart helps transform regular product reviews into an additional sales and customer retention tool. After a customer leaves a review, the system can automatically generate a personalized discount coupon and send it to the specified email address. This solution is ideal for stores that want to encourage feedback, build trust in their products, and motivate customers to return for repeat purchases.

What is the module for?

The module's main purpose is to reward visitors for leaving reviews. On the product page, it adds an email field next to the review form and displays a prominent promotional block offering a discount for leaving a review. After submitting a review, the module creates a coupon, links it to the review entry, and sends an email with the discount code.

The module is especially useful for stores that need to quickly increase the number of reviews, improve product page conversion rates, and encourage repeat orders.

Main functions

• adding an email field to the review form on the product page;
• displaying an information block with the “discount for a review” promotion;
• Automatic coupon creation after adding a review;
• sending a coupon to the buyer by e-mail;
• support for percentage and fixed discounts;
• flexible customization of the letter subject and message text;
• support for plain text and HTML emails;
• automatic substitution of store data via macros;
• synchronization of coupon status with review status during moderation;
• Automatically remove the linked coupon when deleting a review.

How the module works

1. The buyer opens the product card.
2. In the review form, you see an offer to receive a coupon for your review.
3. Specifies an email and sends feedback.
4. After saving your review, the system generates a unique coupon code.
5. The coupon is recorded in the database and associated with a specific review.
6. The buyer is sent an email with a discount code.

Advantages of the module

• Increased number of reviews – buyers are more willing to share their opinions if they receive a bonus.
• Repeat sales - the coupon motivates customers to return to the store.
• Automation – issuing coupons and sending emails occurs without manual work.
• Flexible settings – you can set the discount amount, email format, and coupon activation status.
• Moderation is easy —if reviews pass review verification, the coupon can only be activated after approval.
• Multilingual support – the module provides language files for different locales.

Administrator settings

In the store's administrative section, the module allows you to set key operating parameters. This is convenient if you want to tailor the mechanics to your store's marketing strategy.

• turning the module on and off;
• coupon name;
• discount type;
• discount value;
• coupon status when created;
• subject of the letter;
• text of a regular letter;
• HTML letter template;
• Debug mode for previewing the email template.

Practical recommendations

If your store has review moderation enabled, it's best to create a coupon with an inactive status until reviewed. This will prevent automatic discounts from being awarded for empty or low-quality reviews. For stores without moderation, you can immediately enable the coupon's active status so customers receive the bonus immediately.

It's recommended to use a moderate discount, such as 5%, to motivate customers without reducing margins. If the store sells products with a high average price, you can test a fixed discount. It's also worth creating a beautiful HTML email with the store logo—this makes communication more professional and builds trust.

Application examples

• An online electronics store encourages customers to leave reviews after their purchase;
• A clothing store collects user content and increases trust in product cards;
• A niche cosmetics store brings back customers with a repeat coupon after their first order;
• A store with review moderation only gives discounts for truly helpful and approved reviews.

Review and Coupon is a simple yet highly practical module that combines review collection, email communications, and a loyalty program in a single solution. It easily integrates into a standard OpenCart product page, expands the capabilities of reviews, and helps transform them from a simple trust factor into a fully-fledged repeat sales channel.