# Moon Book vs The Moon

The clearest difference is in-app purchases: Moon Book at none against The Moon's 1. The Moon's advantage is review sentiment (100% vs 90%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. The Moon sells 1 one-off in-app purchase. Moon Book asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on July 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Moon Book | The Moon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (14 ratings)](https://appshunter.io/ios/app/the-moon-simulation/id6526486262/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 81 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vixen Co., Ltd.](https://appshunter.io/developer/536188843) | [Othman Alzahrani](https://appshunter.io/developer/1664580679) |

## What reviewers say

### Moon Book

[App page](https://appshunter.io/ios/app/moon-book/id906552724)

This app visualizes lunar eclipses, showing viewing times and directions from your location. Plan your observations by setting specific locations and previewing eclipse phases.

**Highlights:** Lunar eclipse viewing times, Direction of eclipse visibility, Location-specific eclipse phases, Pre-set observing locations, Overseas eclipse start times, Thumbnail images of eclipse phases

**In-app purchases:** none


### The Moon

[App page](https://appshunter.io/ios/app/the-moon-simulation/id6526486262)

Explore the moon with stunning realism and accuracy. This app provides real-time rendering of lunar phases, liberations, and orbital positions. Access a yearly calendar of moon phases and view the moon's location on an Earth map.

**Highlights:** Real-time moon rendering, Accurate lunar phase visualization, Intuitive time controller, Yearly moon phase calendar, Earth map with moon position, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support The Moon App | $0.99 | one-time |


## Frequently asked questions

### Is Moon Book free?

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

### Is The Moon free?

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

### Do Moon Book or The Moon have ads?

Neither Moon Book nor The Moon shows ads.

### Which is updated more often, Moon Book or The Moon?

Moon Book ships an update every 6 months, and The Moon every 6 months. Most recently, Moon Book was updated on July 7, 2026 and The Moon on September 20, 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.*