Description
Replier SaaS – AI-Powered Social Media Writer & Extension
Live Demo Access
- Website: https://replier-saas-web.vercel.app/
- Admin account
- Email: admin@demo.com
- Password: demo123456
- User account
- Email: user@demo.com
- Password: demo123456
Boost engagement on Twitter, LinkedIn, and Facebook in seconds
Replier is a full-featured SaaS platform and browser extension for Chrome and Firefox. Powered by the latest AI models, it helps individuals, marketers, and businesses write engaging posts and replies on social media—instantly. Save time, improve creativity, and drive more interactions. 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.
Why Choose Replier?
- Multiple Advanced AI Models: Gemini 2.0 Flash-Lite, OpenAI GPT-4o mini, and Mistral Small. Choose the best model for your needs.
- Smart Replies & Posts: Generate intelligent, context-aware responses and posts that match your mood and tone—witty, professional, empathetic, and more.
- Multilingual Content: Write posts and comments in any language. Automatic detection or manual selection.
- Custom Prompts: Full control over AI behavior. Personalize your brand voice or let the AI act as your social media manager.
- Modern SaaS Landing Page: Instantly launch with a beautiful, responsive landing page—no design or coding needed.
- Comprehensive Dashboard: Manage users, plans, usage, and payments with powerful admin and user dashboards.
- Integrated Payments: Monetize with built-in Stripe and PayPal support. Subscription and one-time plans supported.
- Easy Extension Setup: Step-by-step guide for Chrome and Firefox. Change logo, set trusted origins, and more.
- Social Authentication: Support for Google and other providers via Better Auth.
- Usage Analytics: Track AI usage, plan limits, and user activity.
- Customer Support: Reliable, responsive support included with every purchase.
AI API Usage & Pricing
Replier uses third-party AI APIs: OpenAI GPT-4o mini, Mistral Small (latest), and Google Gemini 2.0 Flash Lite. Each provider offers a free tier—more than enough for typical usage. The app consumes minimal tokens for both input and output.
Pay-as-you-go pricing beyond the free tier (billed by providers):
- 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 providers and are not included in the purchase price. Please review these charges before using in production.
Change-log
### v7.0.0 - December 31, 2025
- Complete rewrite: now a modern monorepo using Turborepo
- Shared code, types, and UI components across web and extension
- Replace tRPC extension server with client approach
- Fixes the commonly reported bug "Attempting to use a disconnected port object"
- Fixes webhook payment form submission disable status
- Drop the limitation of having an existing subscription before can subscribe to a plan
- Improved onboarding and documentation for everyone
- Improved installation process
- Used new shadcn UI components throughout the dashboard
- Up to date dependencies
### v6.0.0 - April 3, 2025
- Modern landing page, pricing table, contact page
- Email/password and social auth (12 providers)
- Usage dashboard, admin business reports, analytics
- Products subscription/one-time plan management
- User management with admin/user roles
- PayPal support, plan switching, custom user prompt
- Plan cancellation, profile/general settings
- Test AI models connection, system prompt support
- Light/dark mode, dev mode for SEED/reset
#### Extension
- Better content detection for Twitter, LinkedIn, Facebook
- Improved tone appearance, light/dark mode
- Dependencies update, React + tRPC rewrite
- Better DOM observer, conflict fixes
- Write new status/tweet/post by keywords
- Reply via feed modal, modern landing page
- User auth in extension, usage dashboard
Replier SaaS is a web application and Chrome/Firefox browser extension for creating social-media posts and replies with AI. It works with platforms such as X (Twitter), LinkedIn, and Facebook, helping users draft context-aware comments or original posts in a chosen tone and language. It also includes features for running the product as a subscription service, such as user accounts, usage tracking, payment support, and an admin dashboard. It is intended for developers or businesses that want to offer an AI writing tool to social-media users, marketers, creators, and small teams.