# Ray（レイ） vs dokoiko

The clearest difference is update cadence: dokoiko at every 6 days against Ray（レイ）'s every 19 months. Ray（レイ）'s advantage is iOS requirement (8.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Ray（レイ） ships an update every 19 months, dokoiko every 6 days. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Ray（レイ） | dokoiko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 6 days** |
| Size | 3 MB | 77 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Naoya Takahashi](https://appshunter.io/developer/1301211980) | [Palames Inc.](https://appshunter.io/developer/1707353632) |

## What reviewers say

### Ray（レイ）

[App page](https://appshunter.io/ios/app/ray/id1385952483)

**In-app purchases:** none


### dokoiko

[App page](https://appshunter.io/ios/app/dokoiko/id6466408879)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ray（レイ） free?

Ray（レイ） is free to download, with no in-app purchases.

### Is dokoiko free?

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

### Do Ray（レイ） or dokoiko have ads?

Neither Ray（レイ） nor dokoiko shows ads.

### Which is updated more often, Ray（レイ） or dokoiko?

Ray（レイ） ships an update every 19 months, and dokoiko every 6 days. Most recently, Ray（レイ） was updated on September 16, 2026 and dokoiko on September 18, 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.*