Zup: AI Captions & Posts

Zup: AI Captions & Posts

Photos to Posts in Your Voice

3 ratings
3 reviews
Free

Details

  • Released
  • Updated
  • August 18, 2026
  • September 16, 2026
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About

Effortlessly transform your photos into polished social media posts. Generate tailored captions for various platforms, customize them, and share directly or save for later. Maintain full control over your content and sharing.

✓Multi-photo selection
✓Platform-aware caption drafts
✓On-device captioning
✓Customizable voice profile
✓Direct publishing to X and LinkedIn
✓Native iOS share sheet
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What's New in Zup

1.15

September 16, 2026

Capture photos with the native iPhone camera, or open your photo library right from the camera screen. Feel subtle haptic feedback while captions are written and when you tap Write or Polish. Manage AI caption permission with a simple switch in Your Voice. This update also improves TikTok publishing controls and error messages.

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User reviews

Actually makes positing easier

Zup makes posting photos so much easier. I usually get stuck trying to come up with a caption, but here I can just add a little context about the photo and it gives me something that actually sounds natural. I also love being able to quickly adjust the tone depending on where I’m posting. Simple, fast, and genuinely useful.
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Easy and fast

I can now post in the moment

It was quick to onboard and use

It was quick to onboard and use

FAQ

What is Zup?

Zup is an AI-powered application designed to help you create polished, share-ready social media posts from your photos. It generates tailored captions for platforms like Instagram, TikTok, X, and LinkedIn, allowing you to edit and share them easily.

Does Zup have ads?

No, Zup is ad-free. You can use all its features without any interruptions from advertisements.

What platforms does Zup support for captioning?

Zup generates platform-aware caption drafts for Instagram, TikTok, X, and LinkedIn. It also supports native sharing to Instagram Stories and TikTok.

How does Zup handle user privacy?

Zup prioritizes user privacy. Photos remain local unless you explicitly authorize hosted captioning or choose to share a post. The app never publishes automatically; you always review and approve captions and destinations.

Can I customize the captions generated by Zup?

Yes, you can edit the draft captions generated by Zup. You can also set preferences for tone, length, emoji, and hashtag usage through its private Voice Profile.

What devices is Zup available on?

Zup is currently available on iPhone. Its on-device captioning feature depends on the iPhone model, language, and system configuration.

How often is Zup updated?

Zup was last updated on August 19, 2026, with version 1.0. Further updates will likely be released to improve features and compatibility.

What is the user rating for Zup?

Zup has a perfect rating of 5.0 stars from 1 rating, indicating a highly positive initial user reception.