# kaiwa vs 異世界転生診断

The clearest difference is ads: 異世界転生診断 at none against kaiwa's shown. 異世界転生診断 also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). kaiwa's advantage is update cadence (fortnightly vs every 2 months). On price and in-app purchases there is nothing between them.

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

kaiwa ships an update fortnightly, 異世界転生診断 every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | kaiwa | 異世界転生診断 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 272 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Livetoon Inc.](https://appshunter.io/developer/1822135716) | [takamoto sakai](https://appshunter.io/developer/1896195459) |

## What reviewers say

### kaiwa

[App page](https://appshunter.io/ios/app/kaiwa-ai/id6747639493)

**In-app purchases:** none


### 異世界転生診断

[App page](https://appshunter.io/ios/app/8/id6771015181)

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

**In-app purchases:** none


## Frequently asked questions

### Is kaiwa free?

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

### Is 異世界転生診断 free?

異世界転生診断 is free to download, with no in-app purchases.

### Do kaiwa or 異世界転生診断 have ads?

kaiwa shows ads; 異世界転生診断 does not.

### Which is updated more often, kaiwa or 異世界転生診断?

kaiwa ships an update fortnightly, and 異世界転生診断 every 2 months. Most recently, kaiwa was updated on October 28, 2026 and 異世界転生診断 on October 28, 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.*