Every product page with zero reviews loses conversions before a single visit turns into a sale. Building review volume through follow-up emails takes months, and the response rate rarely justifies the wait. The Knowband PrestaShop AI Review Generator solves this from the admin panel.
The PrestaShop AI Review Generator connects directly to ChatGPT (OpenAI), Claude (Anthropic), or Gemini (Google) and generates product-specific reviews based on rules you define. Each review includes a star rating, a title, body content written in the tone you select, and a guest reviewer profile with a randomised name and details. Reviews are published through the native Product Comments module and appear on the storefront exactly as a genuine customer review would.
This guide covers every setting across all three admin tabs so you can configure it, connect your AI provider, and start building review volume on day one. Compatible with PrestaShop 1.7. x through 9.x.
1. 1 Who Is This Module For
This module is built for:
- New stores that need review volume before organic feedback has had time to build.
- Store owners launching new products who want social proof live on day one.
- Merchants running multilingual stores who need reviews in multiple languages without separate workflows.
- Any PrestaShop admin who wants keyword-rich product reviews live on the storefront without depending on customers to submit them.
2.0 Installation Guide for Prestashop AI Review Generator Addon
System Requirements
Check these before starting the install:
- PrestaShop 1.7.x, 8.x, or 9.x
- PHP 7.2 or higher
- Native PrestaShop Product Comments module is installed and active
- A valid API key from OpenAI, Anthropic, or Google
Installing the Module
Step 1: Download the ZIP file from your account and open your PrestaShop back office.
Step 2: Head to Modules, then Module Manager. Find the upload option at the top right of the screen.
Step 3: Choose the ZIP file from your downloads. PrestaShop processes the upload and unpacks the files on its own.
Step 4: Hit Install on the prompt that follows. The module configuration screen loads straight after.
Step 5: If the module does not show up, type AI Review Generator into the Module Manager search and open Configure.
Common Installation Issues
Upload fails: The server is rejecting the file size. Ask your host to raise upload_max_filesize and post_max_size to at least 32 MB.
Module not visible after install: Clear the PrestaShop cache under Advanced Parameters, then Performance,e and run the search again.
Reviews not showing on the storefront: The native Product Comments module must be installed and switched on. Reviews generated by this module go through it and will not appear without it.
3.0 Admin Panel Overview of Prestashop AI Review Generator Addon
The PrestaShop AI Review Generator adds three tabs to the back office:
- General Settings: Switch the module on, connect an AI provider, and get the CRON URL for automated generation.
- Review Rules: Build and manage the rules that define how reviews are created, where they apply, and when they are published.
- Reviews: Check, approve, or remove any generated review before or after it reaches the storefront.
4.0 General Settings Tab in Prestashop Product Review Generator Module
This tab holds the global configuration for the PrestaShop AI review generation module. A notice at the top of the page shows whether the current settings cover all stores or just one.
4.1 Enable Module
The main toggle. Set to Enabled, and the module is active across the store. Set to Disabled and generation stop,s but all rules, reviews, and history stay in place.
4.2 AI Provider
Choose from three providers:
- ChatGPT (OpenAI)
- Claude (Anthropic)
- Gemini (Google)
One provider runs at a time. Changing the selection does not touch existing rules or any reviews already generated.
4.3 API Key
Enter the API key for the selected provider. No key means the AI service cannot be reached, generation will not run, and the module stays inactive.
How to get your API key:
For OpenAI: go to platform.openai.com, open the API Keys section under your account, and create a new key. Copy it straight away as it is only shown once.
For Anthropic: go to console.anthropic.com, open API Keys, and create a new one.
For Google Gemini: go to aistudio.google.com, click Get API key, and generate one under your chosen project.
Click the Test key to check the connection before saving.
4.4 Model Selection
Pick the model that suits your needs from the ones available under each provider.
OpenAI models: GPT-5.5, GPT-5.4, GPT-5.4 mini, GPT-5.4 nano, GPT-5 (chat), GPT-4.1, GPT-4.1 mini, GPT-4.1 nano, o3, o3-mini, o4-mini, GPT-4o, GPT-4o mini, GPT-4 Turbo, GPT-4, GPT-3.5 Turbo
Claude models: Claude Opus 4.7, Claude Sonnet 4.6, Claude Opus 4.6, Claude Opus 4.5, Claude Sonnet 4.5, Claude Haiku 4.5, Claude Opus 4.1, Claude Sonnet 4, Claude Opus 4
Gemini models: Gemini 3.5 Flash, Gemini 3 Flash (Preview), Gemini 3.1 Flash-Lite, Gemini 2.5 Flash-Lite, Gemini Flash (Latest), Gemini Flash-Lite (Latest)
4.5 Max Tokens
This number sets the upper limit on how much text the AI can write per review request. Range is 1 to 16384, and the default value is 4000. Pushing it higher gives the AI room to write more detailed content,t but raises the API call cost. Keeping it lower produces shorter reviews, cuts costs, and speeds up each run. Align it with whatever Max Words per Review value you are using in the rules.
4.6 Temperature
Temperature decides how consistent or varied the AI output is. The scale runs from 0.0 to 1.0. At zero, the output is predictable and uniform, which suits stores that need every review to stay within a fixed tone. Closer to 1, the output gets more varied. For reviews that are meant to read naturally, somewhere between 0.5 and 0.7 tends to give a good balance.
4.7 Check Existing Reviews
Set this to Yes, and the module runs a check on each product before generating. If reviews are already present, that product is skipped. This stops the same product from receiving repeated batches and avoids spending API tokens on content that is not needed.
4.8 CRON URL for Scheduled Generation
A token-secured URL for automated review generation on a schedule is available on the General Settings tab. Immediate and scheduled reviews are both published through this URL.
Copy it and add it to your server cron job. The recommended frequency is every 15 minutes. Only requests that carry the correct token trigger generation. The URL does nothing without it.
Click Save to apply all changes on this tab.
5.0 Review Rules Tab
Review Rules control exactly how the PrestaShop auto-generate reviews process runs. Each rule targets a set of products or categories and defines the publish mode, generation limits, tone, language, and rating distribution for that set.
The Review Rules list shows every created rule with its ID, name, publish mode, content type, max per day, active status, generate button, and assigned store. Click Generate now on any row to run that rule immediately. Click Edit to change the rule settings.
5.1 Adding a New Review Rule
Click the Add Rule button to open the rule creation form.
Store: Select which store this rule applies to when running a multi-store setup.
Enable rule: Toggle on to make the rule active. Rules set to off are saved, but do not run on CRON or Generate now.
Publish Mode: Three options control when generated reviews go live.
- Immediate (publish on generation): Reviews go live the moment they are generated. No waiting, no approval step.
- Scheduled (publish after a random delay): Reviews are generated and held, then published at a random point between a minimum and maximum number of days you set. A range of 0 to 7 days publishes each review at a random time within that window. This makes the review accumulation pattern look organic rather than instant.
- Manual (await approval in Reviews): Reviews are generated and held in the Reviews tab. Nothing is published until an admin opens each entry and approves it. Best when editorial control over what goes live matters.
Random Delay (days): Appears when Scheduled mode is selected. Set a Min and Max day range. Generated reviews are published at a random point within that range.
Max per Cron: The maximum number of reviews this rule can generate in a single CRON run.
Max per Day: The total number of reviews this rule can generate across all CRON runs in one calendar day.
Max per Product per Day: The maximum reviews a single product can receive from this rule in one day. This prevents any one product from accumulating an unnatural volume in a short period.
Max Words per Review: The maximum word count for each generated review. Set to 150 for standard-length reviews. Reduce to 50 or below for short-form reviews. Increase for long-form, detailed content.
Languages: Tick the languages reviews should be generated in. If both English and French are ticked, every review is generated in both languages. Only languages installed in your PrestaShop store appear in this list.
Content Type: Choose whether the rule targets Products or Categories. Selecting Products lets you search and add specific products. Selecting Categories lets you target an entire category; every product in that category receives reviews under this rule.
Tone: Select the voice for the generated reviews.
- Professional
- Casual
- Technical
- Persuasive
Generate Using: Toggle which product data points the AI uses when writing the review. At least one must be enabled.
- Product name
- Product description
- Product price
- Product category
Disabling a data point means the AI does not factor it into the review. Enabling price means reviews may reference the product’s value. Enabling description gives the AI more context for detailed, product-specific content.
Rating Distribution (%): Set the percentage split across 1 to 5 star ratings. The total must equal exactly 100. For example: 5 stars 50%, 4 stars 30%, 3 stars 10%, 2 stars 5%, 1 star 5%. The module uses this distribution to weight the rating assigned to each generated review, keeping the mix natural rather than uniformly perfect.
Rule Name: A required field. Give the rule a clear name that identifies its purpose, for example, Summer Collection English or Homepage Category Casual.
Custom Prompt (en): An optional field that overrides the default generation instruction for this rule. Write a plain instruction and drop in any of the supported variables to bring product data into the prompt.
Supported variables: {product_name}, {product_description}, {price}, {category}, {shop_name}, {tone}, {max_words}
For example: Write a review for {product_name} priced at {price}. Keep it under {max_words} words and use a {tone} tone.
Click Save to create the rule. It appears in the Review Rules list immediately.
5.2 Editing and Deleting Rules
Click Edit on any rule row to reopen the configuration form and change any setting. Click the dropdown arrow next to Edit and select Delete to remove a rule permanently. Deleting a rule does not delete reviews already generated under it.
5.3 Bulk Actions
The Bulk actions dropdown at the bottom of the rules list lets you apply actions to multiple selected rules at once.
6.0 Reviews Tab
The Reviews tab shows every review generated by this module. This is where you approve, publish, or remove reviews before or after they reach the storefront.
6.1 Reviews List
Each entry in the list shows:
- ID: Sequential review number.
- Product: Which product was the review generated for?
- Language: Which language was this review generated in?
- Review Preview: A shortened version of the review body.
- Reviewer: The generated reviewer name and email address.
- Rating: The star rating assigned based on the rule’s distribution settings.
- Status: Scheduled, Published, or Pending Approval.
- Created: When the review was generated.
- Published: When the review went live on the storefront.
- Shop: Which store does the review belong to?
Filter the list by product, language, reviewer, rating, status, created date range, published date, or shop using the search controls above the list.
6.2 Approving and Publishing Reviews
For rules set to Manual publish mode, reviews land in this tab with Pending Approval status. Click Approve and Publish on any row to send that review live immediately.
Click the dropdown arrow next to Approve and Publish to access the View option. This opens the full review text so you can read it before publishing.
6.3 Deleting Reviews
Click the dropdown arrow next to Approve and Publish and select Delete to remove a generated review permanently. Deleted reviews cannot be recovered.
7.0 Frequently Asked Questions
Q: What is the Knowband PrestaShop AI Review Generator, and how does it work?
It connects to ChatGPT (OpenAI), Claude (Anthropic), or Gemini (Google) and generates product-specific reviews based on rules you define in the admin panel. Each review is written fresh for the specific product, in the language and tone the rule specifies, and published through the native Product Comments module. Compatible with PrestaShop 1.7. x through 9.x.
Q: Which AI providers does the PrestaShop AI Review Generator support?
The PrestaShop AI product reviews module supports three providers: ChatGPT via OpenAI, Claude via Anthropic, and Gemini via Google. You connect using your own API key. Only one provider is active at a time. Switch providers from the General Settings tab without affecting existing rules or generated reviews.
Q: What are the three publishing modes in the PrestaShop auto-generated reviews module?
Immediate publishes a review the moment it is generated. Scheduled holds it and releases it at a random point within a day range you set, which creates a natural-looking accumulation pattern. Reviews set to Manual stay in the Reviews tab with a Pending Approval status. An admin has to open each one and approve it before it reaches the storefront.
Q: How does the rating distribution feature work in the PrestaShop AI product reviews module?
Open any review rule and find the Rating Distribution (%) section. Assign a percentage to each star level from 1 through 5. The numbers must add up to exactly 100. As an example: 5 stars at 50%, 4 stars at 30%, 3 stars at 10%, 2 stars at 5%, 1 star at 5%. When the module generates reviews, it follows this split when assigning each rating, so the overall profile across a product page does not look artificially uniform.
Q: How does the CRON automation work for PrestaShop product review automation?
The General Settings tab provides a token-secured CRON URL. Add this URL to your server cron job set to run every 15 minutes. Each run uses the PrestaShop automated review generation rules to produce content and publishes immediate and scheduled reviews that are due. The URL only triggers generation when the correct token is included; it cannot be accessed without it.
Q: Does the PrestaShop auto-generate reviews module support multiple languages?
Yes. Inside each review rule, tick the languages the reviews should be generated in. If English and French are both selected, every review is generated in both languages. Only languages installed in the PrestaShop store appear in the language list.
Q: What is the custom prompt feature in the PrestaShop AI review generation module?
The Custom Prompt field sits inside each review rule and is optional. Fill it in when the default generation output does not match your store’s tone or when you need reviews to focus on a specific product attribute. Write a plain instruction and drop in any of the supported variables to bring product data into the prompt: {product_name}, {product_description}, {price}, {category}, {shop_name}, {tone}, {max_words}.
Q: What does Max Tokens control in the PrestaShop AI product reviews module?
Max Tokens caps how much text the AI generates per review in one request. The accepted range is 1 to 16384. A higher number gives the AI room to write longer, richer reviews, but raises API cost per generation. A lower number cuts both the length and the cost. Set it in line with the Max Words per Review value in the rule so both limits stay consistent.
Q: Can I prevent duplicate reviews from being generated?
You can turn on Check existing reviews in General Settings in a AI Review Generators available on Prestashop Addons. Once active, the module looks up each product before generating and skips any that already carry reviews. This keeps the database clean and avoids spending API tokens on products that do not need new content.
Q: Is the PrestaShop AI Review Generator compatible with PrestaShop 9?
Yes. The PrestaShop AI Review Generator runs on PrestaShop 1.7. xx through 9.x. Before generating, make sure the native Product Comments module is installed and switched on. No changes to the theme or custom templates are required.
8.0 Conclusion
This module puts AI-powered product review automation inside the PrestaShop admin panel. Define a rule, connect an API key, and the module handles generation, scheduling, and publishing from there. Keyword-rich reviews go live on product pages without waiting for customers to write them.
Rating distribution controls keep the review mix credible. The PrestaShop product review automation runs end-to-end without daily management once the rules are set. Multilingual generation covers every market the store serves. Manual approval mode gives full editorial control when it matters. The CRON automation handles the rest on schedule.
For support, custom development, or PrestaShop add-on requirements, contact the Knowband team directly through support@knowband.com
