# ホイッスル vs 戦国武将診断

The clearest difference is in-app purchases: 戦国武将診断 at none against ホイッスル's 2. 戦国武将診断 also leads on ads (none vs shown). ホイッスル's advantage is update cadence (every 10 days vs every 2 months). On price, device support and iOS requirement 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. 戦国武将診断 asks for nothing beyond the download.

ホイッスル ships an update every 10 days, 戦国武将診断 every 2 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | ホイッスル | 戦国武将診断 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 14 MB | 42 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Yahata](https://appshunter.io/developer/1590150102) | [takamoto sakai](https://appshunter.io/developer/1896195459) |

## 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 |


### 戦国武将診断

[App page](https://appshunter.io/ios/app/8/id6772550145)

**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 戦国武将診断 free?

戦国武将診断 is free to download, with no in-app purchases.

### Do ホイッスル or 戦国武将診断 have ads?

ホイッスル shows ads; 戦国武将診断 does not.

### Which is updated more often, ホイッスル or 戦国武将診断?

ホイッスル ships an update every 10 days, and 戦国武将診断 every 2 months. Most recently, ホイッスル was updated on October 6, 2026 and 戦国武将診断 on October 6, 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.*