# ホイッスル vs やるきON

The clearest difference is in-app purchases: やるきON at none against ホイッスル's 2. やるきON also leads on ads (none vs shown). ホイッスル's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence 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. やるきON asks for nothing beyond the download.

ホイッスル ships an update every 10 days, やるきON every 2 weeks. The most recent releases landed on October 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ホイッスル | やるきON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 14 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Yahata](https://appshunter.io/developer/1590150102) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## 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 |


### やるきON

[App page](https://appshunter.io/ios/app/on/id6760860207)

**Features:** macOS Compatibility

**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 やるきON free?

やるきON is free to download, with no in-app purchases.

### Do ホイッスル or やるきON have ads?

ホイッスル shows ads; やるきON does not.

### Which is updated more often, ホイッスル or やるきON?

ホイッスル ships an update every 10 days, and やるきON every 2 weeks. Most recently, ホイッスル was updated on October 27, 2026 and やるきON on October 11, 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.*