# アメフラシ vs Optical Path

The clearest difference is price: アメフラシ at Free against Optical Path's $1.99. Optical Path's advantage is update cadence (every 12 months vs every 53 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

アメフラシ is free to download; Optical Path costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

アメフラシ ships an update every 53 months, Optical Path every 12 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | アメフラシ | Optical Path |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 53 months | **Every 12 months** |
| Size | 133 MB | 6 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CTI GRAND PLANNING CO., LTD.](https://appshunter.io/developer/1533912881) | [坤 冉](https://appshunter.io/developer/1759927074) |

## What reviewers say

### アメフラシ

[App page](https://appshunter.io/ios/app/id1533912879)

**Features:** macOS Compatibility

**In-app purchases:** none


### Optical Path

[App page](https://appshunter.io/ios/app/optical-path/id6670541141)

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

**In-app purchases:** none


## Frequently asked questions

### Is アメフラシ free?

アメフラシ is free to download, with no in-app purchases.

### Is Optical Path free?

Optical Path costs $1.99, with no in-app purchases.

### Do アメフラシ or Optical Path have ads?

Neither アメフラシ nor Optical Path shows ads.

### Which is updated more often, アメフラシ or Optical Path?

アメフラシ ships an update every 53 months, and Optical Path every 12 months. Most recently, アメフラシ was updated on September 17, 2026 and Optical Path on September 16, 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.*