# オンヤク(V2) vs koe | 声を、世界のドキュメントに。

The clearest difference is in-app purchases: オンヤク(V2) at none against koe | 声を、世界のドキュメントに。's 2. koe | 声を、世界のドキュメントに。's advantage is update cadence (every 6 days vs monthly) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. koe | 声を、世界のドキュメントに。 sells 2 in-app purchases, starting at $6.90 per month. オンヤク(V2) asks for nothing beyond the download.

オンヤク(V2) ships an update monthly, koe | 声を、世界のドキュメントに。 every 6 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | オンヤク(V2) | koe | 声を、世界のドキュメントに。 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Size | 12 MB | 39 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rozetta Corp.](https://appshunter.io/developer/1523775644) | [株式会社HARO](https://appshunter.io/developer/1868194947) |

## What reviewers say

### オンヤク(V2)

[App page](https://appshunter.io/ios/app/v2-onyaku/id1622768050)

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

**In-app purchases:** none


### koe | 声を、世界のドキュメントに。

[App page](https://appshunter.io/ios/app/koe/id6761331132)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Plan | $6.90 | per month |
| Pro Plan | $34.90 | per month |


## Frequently asked questions

### Is オンヤク(V2) free?

オンヤク(V2) is free to download, with no in-app purchases.

### Is koe | 声を、世界のドキュメントに。 free?

koe | 声を、世界のドキュメントに。 is free to download, with in-app purchases available.

### Do オンヤク(V2) or koe | 声を、世界のドキュメントに。 have ads?

Neither オンヤク(V2) nor koe | 声を、世界のドキュメントに。 shows ads.

### Which is updated more often, オンヤク(V2) or koe | 声を、世界のドキュメントに。?

オンヤク(V2) ships an update monthly, and koe | 声を、世界のドキュメントに。 every 6 days. Most recently, オンヤク(V2) was updated on November 3, 2026 and koe | 声を、世界のドキュメントに。 on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*