An AI copilot for X that finds engagement opportunities and drafts authentic replies.
Product memo
X users seeking audience growth can use AI to find engagement opportunities and draft authentic replies. It moves beyond generic AI outputs by focusing on personalized interactions. This approach targets users overwhelmed by content, offering efficient, genuine interaction on the platform.
For who
X users seeking audience growth
Solves what
Finding engagement opportunities and writing authentic replies on X
- AI-powered reply suggestions
- Audience growth tools
- Autopilot engagement
In their own words
Your AI-powered copilot to
Find the best opportunities, write authentic replies, and grow your audience. All on autopilot.
Commercial cues
Model
free only
Free tier
Yes
Trial
7d
Pricing Strategy
ReplyOS uses monthly subscription tiers tied to the listed plan limits.
- • A 7-day free trial lets users test features before committing.
- • Annual plans offer a lower effective price, encouraging longer commitment.
- • Two distinct tiers segment users by their engagement needs.
Operator context
Founded
Jan 2026
HQ
Brazil
Platform
Web app
Audience
Creators
Payments
Stripe
Public footprint
Tech stack
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Solo Buildable
About ReplyOS Expand
ReplyOS helps X users grow their audience by providing an AI copilot that identifies engagement opportunities and drafts personalized replies. It focuses on delivering authentic interactions, moving beyond generic AI outputs.
This tool is designed for users who find themselves overwhelmed by the volume of content on X but still want to maintain a genuine presence. By automating the discovery of relevant conversations and assisting with reply generation, it offers an efficient way to interact and build an audience without requiring deep technical expertise in AI or social media strategy.
Its positioning highlights the value of targeted, personalized engagement on a high-velocity platform like X.