# AIノベル vs Kaidan

The clearest difference is review sentiment: Kaidan at 100% against AIノベル's 25%. Kaidan also leads on update cadence (every 3 weeks vs every 10 months). AIノベル's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AIノベル ships an update every 10 months, Kaidan every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AIノベル | Kaidan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kaidan-j-horror/id6777417392/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 105 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [RedinC Co.,Ltd.](https://appshunter.io/developer/877487111) | [Ito Bussan LLC](https://appshunter.io/developer/6777417394) |

## What reviewers say

### AIノベル

[App page](https://appshunter.io/ios/app/ai/id6452801658)

This app uses AI and natural language processing to generate unique novels based on given themes. Experience surprising plot twists and natural writing styles created by advanced AI, offering a novel reading experience.

**Highlights:** AI-generated novels, Natural language processing technology, Surprising plot twists, Daily updated stories, New reading experiences

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

**In-app purchases:** none


### Kaidan

[App page](https://appshunter.io/ios/app/kaidan-j-horror/id6777417392)

Experience bite-sized J-Horror stories that fit your smartphone. Each tale unfolds in about a minute, leaving you with lingering questions and a sense of unease. Explore digital horror, urban legends, and more in a variety of immersive reading modes.

**Highlights:** One-minute J-Horror stories, Digital horror and urban legends, Classic and Cinema reading modes, 10 hand-curated languages, Daily new story drip, Rewarded video for story endings

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

**In-app purchases:** none


## Frequently asked questions

### Is AIノベル free?

AIノベル is free to download, with no in-app purchases.

### Is Kaidan free?

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

### Do AIノベル or Kaidan have ads?

Both AIノベル and Kaidan show ads.

### Which is updated more often, AIノベル or Kaidan?

AIノベル ships an update every 10 months, and Kaidan every 3 weeks. Most recently, AIノベル was updated on November 3, 2026 and Kaidan on November 5, 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.*