# Moon Phases vs 熱中症アラート(暑さ指数予測)

The clearest difference is in-app purchases: 熱中症アラート(暑さ指数予測) at none against Moon Phases's 2. 熱中症アラート(暑さ指数予測) also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Moon Phases sells 2 in-app purchases, starting at $4.99 per month. 熱中症アラート(暑さ指数予測) asks for nothing beyond the download.

Moon Phases ships an update every 4 months, 熱中症アラート(暑さ指数予測) weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Moon Phases | 熱中症アラート(暑さ指数予測) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Size | 76 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Roku, K.K.](https://appshunter.io/developer/1797916780) |

## What reviewers say

### Moon Phases

[App page](https://appshunter.io/ios/app/moon-phases-moonphase/id6759352273)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 month) | $4.99 | per month |
| Premium (1 year) | $49.99 | per year |


### 熱中症アラート(暑さ指数予測)

[App page](https://appshunter.io/ios/app/id6791687485)

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

**In-app purchases:** none


## Frequently asked questions

### Is Moon Phases free?

Moon Phases is free to download, with in-app purchases available.

### Is 熱中症アラート(暑さ指数予測) free?

熱中症アラート(暑さ指数予測) is free to download, with no in-app purchases.

### Do Moon Phases or 熱中症アラート(暑さ指数予測) have ads?

Moon Phases shows ads; 熱中症アラート(暑さ指数予測) does not.

### Which is updated more often, Moon Phases or 熱中症アラート(暑さ指数予測)?

Moon Phases ships an update every 4 months, and 熱中症アラート(暑さ指数予測) weekly. Most recently, Moon Phases was updated on November 5, 2026 and 熱中症アラート(暑さ指数予測) on October 31, 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.*