Ideas
An AI Instagram caption generator that starts from your posts
Most AI caption tools begin with an empty prompt box and no idea who you are. Posty begins with the account you have already built.
The trouble with prompt-box caption tools
- A blank prompt puts the hard work back on you — describe your brand, your tone, your audience, every single time.
- Output that ignores your history reads like a different account wrote it.
- Rewriting AI text into your own voice can take longer than writing from scratch.
- Tools that offer to publish for you put your account's voice on autopilot, which is rarely what you want.
How Posty approaches it
- Connect Instagram and Posty learns your voice from real posts, not from a description you have to write.
- Suggestions arrive with a subject attached, so there is nothing to prompt.
- Captions come out publish-ready, with tone adjustments a tap away.
- Generate a matching image in a style you choose, or use your own photo.
- You can use it before connecting anything — connecting is what makes it sound like you.
When this comes up
- You want AI help without the output sounding like AI.
- You have tried a caption generator and rewrote every line it gave you.
- You want suggestions grounded in what has already worked on your account.
Generation, not automation
Posty generates captions and images. It does not post them. Publishing stays a deliberate act you perform yourself.
Common questions
Does Posty automatically post to social media for me?
No. Posty does not publish or post anything to your social media accounts. It only generates post ideas, captions and images. You copy the content and post it yourself, to whichever platform you choose, whenever you choose.
Do I need to connect my Instagram account?
Not to get started. You can sign in and use Posty to generate ideas and captions before connecting anything. Connecting Instagram is what lets Posty learn your particular voice from your past posts, so the suggestions stop being generic and start sounding like you.
Can Posty make the images too?
Yes. You can attach photos from your gallery, take one with the camera, or have Posty generate an image from a description. Generated images follow the style you pick, so they sit alongside the caption rather than looking bolted on.
More ways people use Posty
Get your next caption written
Posty is free to download on the App Store.
Free to download. Posty never posts to your account.