# OTOKAI vs RasterFX

The clearest difference is in-app purchases: OTOKAI at none against RasterFX's 1. OTOKAI also leads on iOS requirement (15.5 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. RasterFX sells 1 one-off in-app purchase. OTOKAI asks for nothing beyond the download.

## The numbers

| Metric | OTOKAI | RasterFX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 93 MB | 5 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Amadeus Code Inc.](https://appshunter.io/developer/802869982) | [Chih Han Lin](https://appshunter.io/developer/1800248325) |

## What reviewers say

### OTOKAI

[App page](https://appshunter.io/ios/app/otokai/id6499198233)

This app transforms music listening into an engaging brain activity. Create unique music-photo or music-video combinations and share them with friends and family in a private social network. It's designed to promote cognitive health through enjoyable musical experiences.

**Highlights:** AI-powered music generation, Combine music with photos/videos, Private social network for sharing, Cognitive function exercises, Music analysis and comparison, Daily brain health routine

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

**In-app purchases:** none


### RasterFX

[App page](https://appshunter.io/ios/app/rasterfx-multi-effects/id6800385735)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RasterFX Pro | $3.99 | one-time |


## Frequently asked questions

### Is OTOKAI free?

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

### Is RasterFX free?

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

### Do OTOKAI or RasterFX have ads?

Neither OTOKAI nor RasterFX shows ads.

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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.*