# captions.ai vs Klean.

The clearest difference is in-app purchases: Klean. at none against captions.ai's 3. Klean. also leads on ads (none vs shown) and iOS requirement (15.6 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. captions.ai sells 3 in-app purchases, starting at $2.99 per 7 days. Klean. asks for nothing beyond the download.

captions.ai ships an update every 3 weeks, Klean. every 2 weeks. The most recent releases landed on September 29, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | captions.ai | Klean. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/captionsai-caption-generator/id6499187142/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 61 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Tiny Leo Co., Ltd](https://appshunter.io/developer/1660777736) | [Hady Korshem](https://appshunter.io/developer/1853942975) |

## What reviewers say

### captions.ai

[App page](https://appshunter.io/ios/app/captionsai-caption-generator/id6499187142)

This AI-powered tool helps you craft engaging captions for your photos. Customize length, tone, and audience to personalize your posts and enhance social media engagement. Effortlessly generate and share captions for any occasion.

**Highlights:** AI-powered caption generation, Multi-photo upload, Customizable caption length and tone, Audience targeting, Emoji integration, Instant social media sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Trial | $2.99 | per 7 days |
| Yearly Premium | $29.99 | per year |


### Klean.

[App page](https://appshunter.io/ios/app/klean/id6761313093)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is captions.ai free?

captions.ai is free to download, with in-app purchases available.

### Is Klean. free?

Klean. is free to download, with no in-app purchases.

### Do captions.ai or Klean. have ads?

captions.ai shows ads; Klean. does not.

### Which is updated more often, captions.ai or Klean.?

captions.ai ships an update every 3 weeks, and Klean. every 2 weeks. Most recently, captions.ai was updated on September 29, 2026 and Klean. on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*