25% OFF· Launch
7-day free trial· Cancel anytime

Your AI-powered copilot to
grow on X.

Find the best opportunities, write authentic replies, and grow your audience. All on autopilot.

7 days free trial. Cancel anytime.
app.replyos.com/ghostwriter
Ghostwriter
Auto replies
Posted12
Posted today8
Post Writer
Create content
"Launching my new feature today..."
ThreadPost
Analytics
Track growth
Followers
2,847
Samuel RizzonLucca Cerf

Built by @samuelrizzondev & @luccacerf — tired of wasting 2h/day scrolling

7-day free trial
Cancel anytime
Learns your tone

You're not growing because you don't have time.

Engaging on X works. But who has 2 hours a day to scroll and reply manually?

2h/day scrolling

For every post worth replying to, you scroll past 50 that aren't. Time you could be building.

"What do I post?"

Stare at blank screen. No ideas. Close app. Repeat tomorrow.

Invisible effort

Post, engage, but numbers don't move. No data, no direction.

Everything you need. Nothing you don't.

Five tools. One platform. 10 minutes a day.

Ghostwriter

Pro only

Finds high-impact posts in your timeline. Generates replies that sound like you. Posts with one click.

  • Scans your timeline automatically
  • Prioritizes high-potential posts
  • Generates replies in your voice
  • Posts directly to X
SA
Sarah Anderson@sarahanderson · 2h

Just shipped our new onboarding flow. Went from 40% to 72% completion rate in 2 weeks. Here's what we changed...

This is huge. The biggest lever for onboarding is reducing friction, not adding features. What was the #1 change?

curiousscore: 87
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Send

Post Writer

Available

Describe your idea, AI refines it. Generates variations. Pick the best. Post to X.

Write a thread about building in public
Here are 3 variations for your thread hook...
ThreadPost
  • Natural conversation with AI
  • Generates 3+ variations per idea
  • Thread support
  • One click to publish

Analytics

Available

See what's working. Followers, impressions, best times. Data, not guesswork.

2,847

Followers

4.2%

Eng. rate

+142

7d growth

  • Follower growth
  • Per-post performance
  • Best time to post
  • Engagement history

Viral Library

Available

500+ posts that blew up. Filtered by niche. Updated weekly. Your inspiration source.

@growthdev· 3d

Stop building features nobody asked for. Here's how to validate in 48h...

contrarianthread
2.4K likes847 RT
  • 500+ high-engagement posts
  • Filter by niche and format
  • Updated weekly
  • Analysis of what worked

Smart Feed

Available

AI curates your timeline. Surfaces the best posts to reply to. Categorized by opportunity type.

AllNetworkAuthority
  • AI-curated from your monitored accounts
  • Category filters (Networking, Authority, Visibility)
  • Built-in reply editor with AI suggestions
  • Save, dismiss, or reply in one click
Opportunity Radar

Stop scrolling. Start closing.

Radar scans X for people actively looking for what you sell — buying intent, pain points, competitor complaints — and serves them to you classified and scored.

Opportunity Radar

“Radar caught someone asking for exactly what I sell. Replied in 2 minutes. Closed the deal that same week.”

Real result from a ReplyOS user

9

AI-detected signal types

<5min

from scan to first reply

3 of 12

Buying Intent8.7/10
JR
Julia R.@juliar
2.1K followers·12min

tired of manually replying on X all day. need a tool that actually helps with engagement. anyone using something good?

47231.2K
Open on X

Here's how it works.

From zero to engaging in under 5 minutes.

1

Connect your account

Log in via X. Secure. 30 seconds.

2

Set your tone

Niche, voice, audience. AI learns.

3

Review and post

Ready suggestions. You approve. 10 min/day.

Invest in your growth.

7 days free. 25% OFF at launch with code REPLYOS25.

7 days free

Full Pro access. No commitment.

Starter

To test the model

$9/month

or $79/year ($6.50/mo)

  • 30 AI posts/month
  • 50 AI replies/month
  • Viral Library
  • Smart Feed
  • Basic analytics (7 days)
Most popular

Pro

For serious growth

$19/month

or $159/year ($13/mo)

  • 100 AI posts/month
  • 200 AI replies/month
  • Ghostwriter (reply automation)
  • Viral Library
  • Full analytics (30 days)
  • Priority support

All plans include:

Smart Feed
Post Writer
Viral Library
Analytics

Frequently asked questions

Will my followers know I'm using AI?
No. You edit every reply before posting. AI generates a draft — you refine it to sound like you. Nothing posts without your approval.
How does the 7-day trial work?
Full Pro access for 7 days. Your card is charged after the trial unless you cancel. Pick the plan that fits — or cancel hassle-free.
How does the AI learn my voice?
You set your tone and audience during setup. Over time, your edits and approvals teach AI your preferences.
What if I don't like it?
Cancel anytime. No fees, no questions, no drama. Right from settings.
Does it work on mobile?
Yes. ReplyOS works in any browser. Review and post from phone, tablet, or desktop.

Your audience won't grow on its own.

25% OFF launch only. Code: REPLYOS25