Postguard
ReplyZen (Postguard) is an AI-powered comment management platform that automatically moderates, replies to, and converts social media comments on Facebook and Instagram (soon TikTok). It helps e-commerce brands and marketers reduce spam, recover lost leads, and increase ROAS by combining contextual analysis, a customizable knowledge base, and automated comment-to-DM flows.
Postguard is social media software teams evaluate for social media. Use this page to review pricing, integration signals, and the best alternatives before you commit.
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Quick Overview
Best for: Social Media
What it does
Social Media software for decision-makers comparing workflow fit and alternatives.
Best fit
Social Media
Pricing snapshot
Freemium from Price varies by monthly comment volume; contact sales or book a demo for customized pricing.
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Postguard
ReplyZen (branded on the site as Postguard/ReplyZen) is an AI solution for moderating, analyzing and replying to comments on social ads and organic posts. It is designed for e-commerce brands, agencies and performance marketers who want to keep comment sections spam-free, capture sales leads, send private messages from comments and preserve brand voice 24/7. The product works on ads and organic posts across major social platforms (Facebook & Instagram today, TikTok support coming), and combines real-time moderation, contextual understanding, web scraping of linked pages, a custom knowledge base and multilingual support to produce on-brand replies and actions.
ReplyZen emphasises flexible control: teams can train their agent via custom instructions and feedback, choose autopilot or manual approval workflows, and refine behavior with a knowledge base and custom settings. It also provides transparent reasoning and smart tags so teams can see why the AI took each action.
ReplyZen (Postguard) is an AI-powered comment management platform that automatically moderates, replies to, and converts social media comments on Facebook and Instagram (soon TikTok). It helps e-commerce brands and marketers reduce spam, recover lost leads, and increase ROAS by combining contextual analysis, a customizable knowledge base, and automated comment-to-DM flows.
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Claim this listingKey Features
AI Moderation (auto-hide/delete)
Automatically detects and hides or deletes spam, abusive comments, competitor promotions, unverified defamatory claims and other unwanted content in real time using configurable moderation rules.
AI Reply Generation
Generates contextual, on-brand replies for comments on ads and posts to increase engagement and conversions, with options for fully automated posting, manual approval or confidence-based publishing.
Comment-to-DM
Converts public comments into private conversations by sending direct messages to users who express purchase intent or need support, enabling conversion and lead capture workflows.
Knowledge Base and Custom Instructions
Accesses a brand-specific knowledge base and accepts custom instructions so replies align with business rules, tone, and operational policies.
Contextual & Media Analysis
Analyzes post context (text, images, videos) and linked pages by scraping product pages to extract price, stock, and variant information for accurate replies.
Multilingual Support
Native-level fluency across dozens of languages to moderate and reply in the commenter’s language.
Smart Tags & Transparent Reasoning
Automatically tags and categorizes comments for routing and reporting and provides an explanation for why the AI made each decision.
Link Shortener & Tracking
Adds relevant product links to replies with click tracking and UTM support to measure conversions and ROAS.
Flexible Deployment Modes
Copilot, Hybrid, and Autopilot modes let teams choose between manual publishing, suggested replies, or fully autonomous replies.
Unified Inbox
Manage Facebook and Instagram comments in a single dashboard (TikTok support coming) with moderation, reply and DM workflows consolidated.
Pricing
14-day free trial that includes 500 AI replies and 500 AI moderations.
Volume-based plans
Price varies by monthly comment volume; contact sales or book a demo for customized pricing.- All AI-powered features included
- Volume-based comment/reply quotas determine the plan cost
- Enterprise and custom plans available on request
Use Cases
E-commerce comment-to-conversion
Automatically answer product questions, add product links and send buyers to checkout via replies and DMs to recover lost purchase intent on ads and posts.
Spam and reputation protection
Keep comment sections clean by automatically hiding spam, competitor promotions, defamatory claims and other policy-violating content 24/7.
Customer support triage
Triage common order and shipping questions publicly and move complex or private issues to direct messages for follow-up by support agents.
Agencies and brand management
Agencies managing multiple clients can scale comment moderation and reply operations while keeping brand voice consistent across accounts.
Multilingual social operations
Support international audiences with native-level replies and country-specific shipping, warranty and returns information drawn from the brand knowledge base.
Integrations
Facebook & Instagram
Native support for moderating and replying to comments on ads and organic posts; primary platforms today.
Shopify (and e-commerce platforms)
Integrates with Shopify for product lookup and to surface product links, stock and prices in replies (site states seamless Shopify integration).
TikTok (coming soon)
TikTok support is mentioned as coming soon for unified comment management across major platforms.
Website scraping / product pages
Automatically scrapes linked product pages to extract price, variant and stock information to inform replies.
Analytics & tracking (pixel/UTM)
Includes link shortener, click tracking, UTM support and a proprietary pixel referenced for conversion tracking.
Benefits
Limitations
Frequently Asked Questions
Which platforms does ReplyZen support?
Can I control when replies are posted?
Does ReplyZen support multiple languages?
How long does setup take?
Will automated replies violate platform policies?
How does ReplyZen get product information to include in replies?
Getting Started
- 1 Step 1: Start a free trial at postguard.ai (14-day trial includes 500 AI replies + 500 moderations).
- 2 Step 2: Connect your Facebook and Instagram accounts (and future TikTok when available) and grant required permissions.
- 3 Step 3: Configure the agent by uploading or linking your knowledge base, setting moderation rules, choosing autopilot/manual mode and refining with 1-to-1 feedback.
Support
Docs
Help center and FAQ documentation available from the website (Help center / Support links referenced).
Sales / Demo
Book a demo or contact sales via the website for pricing, enterprise plans or onboarding assistance.
Contact
Contact form or contact page (postguard.ai/contact) for support requests and account help.
API
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