# Simple Moon Phase Calendar vs 月観測カレンダーアプリ

The clearest difference is in-app purchases: 月観測カレンダーアプリ at none against Simple Moon Phase Calendar's 2. 月観測カレンダーアプリ also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Simple Moon Phase Calendar sells 2 one-off in-app purchases. 月観測カレンダーアプリ asks for nothing beyond the download.

## The numbers

| Metric | Simple Moon Phase Calendar | 月観測カレンダーアプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (85 ratings)](https://appshunter.io/ios/app/simple-moon-phase-calendar/id1279710898/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 65.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 23 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fumihiro Takahashi](https://appshunter.io/developer/1279710897) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### Simple Moon Phase Calendar

[App page](https://appshunter.io/ios/app/simple-moon-phase-calendar/id1279710898)

A straightforward calendar app displaying detailed lunar information for each date. It includes moon phase, age, distance, illumination, zodiac sign, and rise/set times. Features a note function, widgets, and customizable notifications for key lunar events and Mercury retrograde.

**Highlights:** Moon phase and age display, Lunar distance and illumination, Moon sign and constellation, Mercury retrograde tracking, Moonrise and moonset times, Note function, Widget support, Customizable notifications

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Unlock | $1.99 | one-time |


### 月観測カレンダーアプリ

[App page](https://appshunter.io/ios/app/moondays/id6806973713)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Moon Phase Calendar free?

Simple Moon Phase Calendar is free to download, with in-app purchases available.

### Is 月観測カレンダーアプリ free?

月観測カレンダーアプリ is free to download, with no in-app purchases.

### Do Simple Moon Phase Calendar or 月観測カレンダーアプリ have ads?

Simple Moon Phase Calendar shows ads; 月観測カレンダーアプリ does not.

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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.*