# ホイッスル vs MachoSounds

The clearest difference is in-app purchases: MachoSounds at none against ホイッスル's 2. MachoSounds also leads on ads (none vs shown) and update cadence (every 4 days vs every 10 days). On price and device support there is nothing between them.

Both are free to download. ホイッスル sells 2 in-app purchases, starting at $1.99 per month. MachoSounds asks for nothing beyond the download.

ホイッスル ships an update every 10 days, MachoSounds every 4 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ホイッスル | MachoSounds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 4 days** |
| Size | 14 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Yahata](https://appshunter.io/developer/1590150102) | [Teppei Yamazaki](https://appshunter.io/developer/1581267812) |

## What reviewers say

### ホイッスル

[App page](https://appshunter.io/ios/app/id6447121017)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | per month |
| プレミアムプラン | $5.99 | per year |


### MachoSounds

[App page](https://appshunter.io/ios/app/machosounds/id6746427700)

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

**In-app purchases:** none


## Frequently asked questions

### Is ホイッスル free?

ホイッスル is free to download, with in-app purchases available.

### Is MachoSounds free?

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

### Do ホイッスル or MachoSounds have ads?

ホイッスル shows ads; MachoSounds does not.

### Which is updated more often, ホイッスル or MachoSounds?

ホイッスル ships an update every 10 days, and MachoSounds every 4 days. Most recently, ホイッスル was updated on October 6, 2026 and MachoSounds on October 4, 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.*