Social posts that sound like you, on every channel.
Castlet writes captions and images from your brand kit, plans them on a calendar, and publishes or schedules them to your connected accounts. AI work runs on monthly credits, and the cost is shown before anything is generated.
- Channels at launch
- 4
- Brand kit behind every post
- 1
- To start, no card needed
- $0
How it works
Castlet in three steps.
- Step 01
Set up your brand kit
Your tone, colours and audience, written down once.
- Step 02
Let Castlet draft
Captions and images come back in your voice. The credit cost shows first.
- Step 03
Plan and publish
Put posts on the calendar and Castlet sends them to your accounts on time.
What it does
Write, plan and publish social posts that sound like your brand.
Sounds like your brand
Set your tone, colours and audience once. Every caption and image Castlet writes uses them.
Plan it on a calendar
See the month at a glance, move posts between days, and get ideas when a week is empty.
Publish where you post
Bluesky, Mastodon, Telegram and LinkedIn at launch. Instagram, Facebook, YouTube and TikTok follow once each platform's review is done.
Social posts that sound like you, on every channel.
- No card to start
- No surprise AI costs
- No copying a post into four apps
Next product
Lynq.
Short links your team can actually read.