AI-Powered Twitter, LinkedIn, and Facebook Writer & Comment Generator SaaS (Chrome & Firefox Extension)

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Live Demo Access

Website: https://replier-demo.vercel.app/
Admin account
- Email address: admin@example.com
- Password: password
User account
- Email address: user@example.com
- Password: password

Skyrocket your engagement on Twitter, LinkedIn, and Facebook – in seconds.

Replier is an AI browser extension that helps individuals, marketers, and businesses write engaging posts and replies on social media—powered by the latest AI models. Whether you’re replying to trending posts or publishing your own content, Replier saves time, improves creativity, and drives more interactions. Say goodbye to writer’s block and hello to high-performing social content, in your tone, your voice, your language.

Compatible with Chrome and Firefox, Replier is the fastest way to boost your presence and make every word count.

Features That Sell Themselves

Multiple Advanced AI Models: Includes Gemini 2.0 Flash-Lite, OpenAI GPT-4o mini, and Mistral Small, giving users flexibility and performance depending on their needs.
Smart Replies Based on Mood & Tone: Generate intelligent responses that match the emotion and tone of the original post. Whether you want to sound witty, professional, or empathetic—Replier adapts.
Multilingual Content Generation: Seamlessly write posts and comments in multiple languages. Automatically detects the original language or lets you choose a custom one.
Built-in SaaS Landing Page: Get started quickly with a modern, responsive landing page that’s included right out of the box. No design or coding needed.
Custom Prompts = Full Control: Define exactly how your AI should behave. Want it to act as your personal brand strategist or your company’s social media manager? Just say the word.
Comprehensive Admin & User Dashboard: Manage users, plans, usage, and payments effortlessly with a powerful dashboard for both you and your customers.
Integrated Payments with PayPal & Stripe: Start monetizing from day one with built-in PayPal and Stripe support.
Customer Support Included: Every purchase includes reliable, responsive support to help you and your customers succeed.

AI API Usage Disclaimer

This app uses third-party AI APIs: OpenAI GPT-4o-mini, Mistral Small (latest), and Google Gemini 2.0 Flash Lite — the most affordable models currently available.

Each provider offers a free tier, which is often more than enough for typical usage, as the app consumes very minimal tokens for both input and output.

Here’s a breakdown of the pay-as-you-go pricing beyond the free tier:

OpenAI GPT-4o-mini
- Input: $0.150 per 1M tokens
- Output: $0.600 per 1M tokens
- See official pricing
Mistral Small (latest)
- Input: $0.100 per 1M tokens
- Output: $0.300 per 1M tokens
- See official pricing
Google Gemini 2.0 Flash Lite
- Input: $0.075 per 1M tokens
- Output: $0.300 per 1M tokens
- See official pricing

These costs are billed directly by the respective providers and are not included in the purchase price of this app. Please ensure you understand these charges before using the app in production.

Change-log


### v6.0.0 - April 3, 2025

#### Web app
- Improvement: modern landing page
- Improvement: modern pricing table
- Improvement: modern contact page
- Improvement: dependencies update
- New: email and password auth
- New: social auth supported 12 providers
- New: usage dashboard
- New: admin business reports
- New: admin site-wide usage analytics
- New: full-featured products subscription or one-time plan management
- New: full featured user management system with admin and user role support
- New: PayPal support
- New: switch between plan support
- New: custom user prompt
- New: plan cancellation
- New: full-featured profile settings page
- New: full-featured general settings page
- New: test AI models connection including other providers connections
- New: system prompt support
- New: light mode and dark mode support
- New: dev mode to support SEED and reset database

#### Extension
- Improvement: better content detection throughout Twitter, LinkedIn, and Facebook
- Improvement: better tone appearance in light and dark mode
- Improvement: dependencies update
- Improvement: rewriting the entire app with React and TRPC
- Improvement: better DOM observer
- Fix: conflict with different sites after logging in
- New: write new status, tweet, or post based on keywords
- New: reply tweet through the feed modal
- New: light and dark mode appearance
- New: modern landing page to convert premium
- New: user auth through the extension itself
- New: usage dashboard

Replier SaaS - AI Content Generator for Social Media