# IFAI vs KABUUUN

The clearest difference is in-app purchases: IFAI at none against KABUUUN's 2. KABUUUN's advantage is update cadence (every 5 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KABUUUN sells 2 in-app purchases, starting at $4.99 per month. IFAI asks for nothing beyond the download.

IFAI ships an update every 6 weeks, KABUUUN every 5 days. The most recent releases landed on October 18, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | IFAI | KABUUUN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 61 MB | 41 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [nicosphere](https://appshunter.io/developer/1893501713) | [nakagawa kenta](https://appshunter.io/developer/6785565981) |

## What reviewers say

### IFAI

[App page](https://appshunter.io/ios/app/ifai-ai/id6764511534)

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

**In-app purchases:** none


### KABUUUN

[App page](https://appshunter.io/ios/app/kabuuun/id6785565978)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KABUUUN Prime | $4.99 | per month |
| KABUUUN Prime (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is IFAI free?

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

### Is KABUUUN free?

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

### Do IFAI or KABUUUN have ads?

Neither IFAI nor KABUUUN shows ads.

### Which is updated more often, IFAI or KABUUUN?

IFAI ships an update every 6 weeks, and KABUUUN every 5 days. Most recently, IFAI was updated on October 18, 2026 and KABUUUN on November 1, 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.*