# Moon Book vs GlobeViewer Moon

The clearest difference is review sentiment: Moon Book at 90% against GlobeViewer Moon's 33%. Moon Book also leads on in-app purchases (none vs 6) and ads (none vs shown). GlobeViewer Moon's advantage is update cadence (every 3 months vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. GlobeViewer Moon sells 6 one-off in-app purchases. Moon Book asks for nothing beyond the download.

Moon Book ships an update every 6 months, GlobeViewer Moon every 3 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Moon Book | GlobeViewer Moon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (3 ratings)](https://appshunter.io/ios/app/globeviewer-moon/id1521271990/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **90.0% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 160 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Vixen Co.,Ltd.](https://appshunter.io/developer/536188843) | [RAB-Software](https://appshunter.io/developer/543575684) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### GlobeViewer Moon

[App page](https://appshunter.io/ios/app/globeviewer-moon/id1521271990)

Explore a detailed 3D model of the moon's surface with interactive globe and high-resolution map views. Discover craters, grooves, and other features with four distinct map modes, utilizing data from NASA's Lunar Reconnaissance Orbiter. This app offers adjustable lighting for enhanced visibility and is designed to be a valuable tool for telescope users.

**Highlights:** Interactive 3D moon globe, High-resolution 3D map view, Four map modes (elevation, photo, combined, telescope), Adjustable lighting for feature visibility, Data from NASA's Lunar Reconnaissance Orbiter, Telescope mode with realistic lighting and moon phase simulation

**Features:** Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $4.99 | one-time |
| Upgrade to Front | $9.99 | one-time |
| Moon front side only | $13.99 | one-time |
| Upgrade to Pro | $14.99 | one-time |
| Upgrade to Pro | $23.99 | one-time |
| Professional version | $26.99 | one-time |


## Frequently asked questions

### Is Moon Book free?

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

### Is GlobeViewer Moon free?

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

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

GlobeViewer Moon shows ads; Moon Book does not.

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

Moon Book ships an update every 6 months, and GlobeViewer Moon every 3 months. Most recently, Moon Book was updated on October 9, 2026 and GlobeViewer Moon on October 8, 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.*