Postguard

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.

Freemium Enterprise 70/100
#116 in Social Media (116 tools)
Added 3 months ago
18078 directory views this week

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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Key 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

Free Tier Available

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

Saves hours per week by automating moderation and replies to comments.
Recovers lost leads and increases ROAS by surfacing product links and converting commenters into buyers.
Reduces visible negative sentiment that can increase ad CPMs and hurt ad performance.
Maintains consistent, on-brand responses using a custom knowledge base and rules.
Provides 24/7 moderation and response capability across multiple languages.

Limitations

TikTok support is not yet available (marked as coming soon).
No public API documentation explicitly listed on the site (API availability not indicated).
Pricing is volume-based and may become costly at very high comment volumes; exact rates require contacting sales.
Effectiveness depends on quality and completeness of the supplied knowledge base and configuration; misconfigurations can produce off-script replies.

Frequently Asked Questions

Which platforms does ReplyZen support?
ReplyZen supports Facebook and Instagram today and plans to add TikTok soon. It works with both ads and organic posts.
Can I control when replies are posted?
Yes. You can choose between Autopilot (fully automatic), Hybrid/Copilot (suggested replies with approval) or Manual-only workflows. Confidence thresholds and manual approval settings are available.
Does ReplyZen support multiple languages?
Yes. The product advertises native-level fluency across dozens of languages for moderation and replies.
How long does setup take?
Setup time depends on configuration and training; some customers report quick setups (minutes) while full tuning with knowledge base and rules can take longer.
Will automated replies violate platform policies?
ReplyZen is configurable and provides transparent reasoning and moderation controls to help teams remain compliant. However, users should configure behavior to follow each platform’s terms and page policies.
How does ReplyZen get product information to include in replies?
ReplyZen scrapes linked product pages and can search your store in real time to surface product price, stock and variant information, and can pull data from your custom knowledge base.

Getting Started

  1. 1 Step 1: Start a free trial at postguard.ai (14-day trial includes 500 AI replies + 500 moderations).
  2. 2 Step 2: Connect your Facebook and Instagram accounts (and future TikTok when available) and grant required permissions.
  3. 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

Available: No

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