AI auto-engagement for X.com. Monitors your feed, generates contextual replies, and posts them with your approval.
Users
3
−2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#323K
#256K among extensions
Version
4.1.1
updated 2 Mar 2026
Users
monthly, 8 months
Latest, 16 Oct 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About postmatic - AI Replies for X
## Stop Staring at the Reply Box
postmatic watches your X feed and surfaces AI generated reply suggestions for every tweet so you can engage more, grow faster, and never run out of things to say.
Whether you are building an audience, networking with thought leaders, or staying active on X without spending hours crafting replies, postmatic does the heavy lifting. It reads the tweets in your feed, understands the context, and generates sharp replies you can post with a single click.
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## KEY FEATURES
### → AI Reply Suggestions
For every tweet in your feed, postmatic generates a ready to post reply. Review it, edit if you want, and post when you are ready. Nothing goes out without your approval.
### → One Click Posting
No copying, no pasting, no switching tabs. Click once and the reply goes directly to X. You stay in control at all times.
### → Custom AI Prompts
Make replies sound like you. Set a prompt describing your voice, expertise, and style. The AI adapts with no generic filler.
### → Smart Scheduling
Set postmatic to scan your feed every 5, 10, or 30 minutes. Fresh suggestions are always ready when you scroll.
### → Topic Filtering
Focus on what matters. Set keywords so postmatic only generates replies for tweets about AI, startups, crypto, or whatever you care about.
### → Profile Blocking
Add accounts to your block list and postmatic skips them entirely. No distractions.
### → Active Hours
Define when postmatic works. Keep it running during peak hours and silent when you are offline.
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## HOW IT WORKS
1. Install and sign in with your X account via secure OAuth
2. Set your AI prompt, topics, frequency, and active hours
3. Browse X and reply suggestions appear on every tweet
4. Review, edit if needed, click to post
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## PRIVACY FIRST
• Only processes public tweets visible in your feed
• No access to your DMs ever
• No browsing history collection
• No data sold to third parties
Full privacy policy
https://postmatic.ai/privacy
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## PRICING
Free Trial
5 AI replies per day for 3 days
No credit card required
Pro Plan
Unlimited replies and full customization
Questions
support@postmatic.io