Voice-cloned tweets and threads
Croni studies your past tweets to capture your rhythm - short or long, deadpan or earnest, jokes-first or insight-first. New drafts feel like a faster you, not a brand account.
AI ghostwriter for X
AI Ghostwriter for X - tweets and threads in your voice
Croni learns how you tweet, surfaces the timelines your niche is reacting to, and drafts tweets, replies and threads that sound like you. Schedule once, publish natively to X.
Written by Vladyslav Rybak, Founder, Croni · Last updated Jul 12, 2026
Live X trend radar
See which topics are spiking on X in your niche before the wave passes. Croni weaves the relevant ones into drafts so you ship timely takes, not late ones.
Threads as easy as tweets
Paste a rough idea and Croni structures it into a tight thread with a hook, body and payoff - publishing natively via X's API with the right pacing.
For founders, devs and creators who want X presence without becoming chronically online
X rewards velocity and timing more than any other platform - which is exactly what's hard to maintain alongside a real job. Most AI tweet generators produce posts that read like commodity SaaS copy, and human ghostwriters can't keep up with X's real-time pace.
Croni was built for the X-shaped problem. It captures your voice, watches what your niche is reacting to right now, and gives you draft tweets and threads you can ship in seconds.
You stay the editor. Croni just removes the time tax between having an opinion and posting it.
How it works
- 01
Connect X
Link your X account. Croni learns your tweeting voice from your existing posts.
- 02
React to a trend or topic
Tap a trending conversation, paste a take, or let Croni suggest tweets from your draft topics.
- 03
Publish or queue
Approve and publish instantly, or queue threads to ship at the times your audience is online.
Frequently asked questions
Does Croni publish via X's official API?
Yes. Croni uses X's official API for publishing - both single tweets and threads - so your posts appear native to your timeline with no 'via' suffix.
Can Croni write threads, not just single tweets?
Yes. Paste a rough idea and Croni structures a thread with a strong opening hook, well-paced body tweets and a clean payoff. You can edit any tweet in the thread before publishing.
Will it actually sound like my tweets?
Croni learns from your past tweets first. The more you post, the closer drafts get to your natural voice. You can also lock in stylistic rules - 'no emojis', 'lowercase only', 'always end with a question' - that apply to every future draft.
How is this different from Postwise, Tweet Hunter or Typefully?
Postwise and Tweet Hunter emphasize template libraries and shared hooks; Typefully is mostly a writing surface. Croni's edge is voice-cloned drafts, multi-platform output (X plus LinkedIn, Threads and Bluesky), and a trend radar that watches your niche in real time.
Will my account get flagged for using an AI ghostwriter?
No. Croni uses X's official publishing API with the scopes you grant on connect. There's no scraping or browser automation, and no behavior X penalizes.
Pricing
Start free, grow when ready
Free
0 €/month
Get started with Croni
- 2 social accounts
- 5 posts per week
- 5 AI drafts per day
- 15 Croni chat messages per day
- Scheduling & content calendar
Most popular
Pro
37 €/month
billed annually
Show up daily, in your voice
- Unlimited accounts
- Unlimited posts
- Unlimited AI drafts
- 200 Croni chat messages per day
- Repurpose any post into fresh angles
- Smart times based on your engagement
Agency and teams
Let's talk
Posting for clients or a team?
- Multiple client brands
- Hands-on onboarding
- Shape the roadmap with us