# 月の満ち欠けAR＋ vs エスビューア

The clearest difference is review sentiment: 月の満ち欠けAR＋ at 100% against エスビューア's 17%. 月の満ち欠けAR＋ also leads on update cadence (every 5 weeks vs every 3 months) and device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

月の満ち欠けAR＋ ships an update every 5 weeks, エスビューア every 3 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 月の満ち欠けAR＋ | エスビューア |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 69 MB | 52 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Nakano](https://appshunter.io/developer/1091174971) | [Suken Shuppan K.K.](https://appshunter.io/developer/611090511) |

## What reviewers say

### 月の満ち欠けAR＋

[App page](https://appshunter.io/ios/app/ar/id1511461024)

This app uses augmented reality to visualize the relationship between the sun, moon, and Earth. It allows users to observe lunar phases and celestial movements from various perspectives, including a ground-level view.

**Highlights:** AR visualization of sun, moon, and Earth, Observe lunar phases from 8 positions, Simulate moon's orbit, Realistic surface textures for Earth and Moon, Adjustable celestial body scale, Ground-level observation mode, Avatar for user perspective

**Features:** macOS Compatibility

**In-app purchases:** none


### エスビューア

[App page](https://appshunter.io/ios/app/id1555408904)

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient for school use
- 👍 Lighter than paper textbooks
- 👍 Can be used offline after download
- 👍 Good for problem practice

**What reviewers complain about**

- 🐛 Slow download speeds
- 🐛 Difficult to use eraser
- 🐛 Unclear UI
- 🐛 Pen settings cumbersome
- 🐛 Text processing lag

**Reported bugs**

- Download errors and interruptions
- Eraser function is difficult to use
- Text processing lag and unresponsiveness
- Cannot upload photos from device gallery
- Poor image quality when taking photos within the app

**Requested features**

- Improve eraser functionality
- Allow adding blank pages
- Improve pen settings (e.g., save presets)
- Allow uploading photos from gallery
- Improve image quality for app camera


## Frequently asked questions

### Is 月の満ち欠けAR＋ free?

月の満ち欠けAR＋ is free to download, with no in-app purchases.

### Is エスビューア free?

エスビューア is free to download, with no in-app purchases.

### Do 月の満ち欠けAR＋ or エスビューア have ads?

Neither 月の満ち欠けAR＋ nor エスビューア shows ads.

### Which is updated more often, 月の満ち欠けAR＋ or エスビューア?

月の満ち欠けAR＋ ships an update every 5 weeks, and エスビューア every 3 months. Most recently, 月の満ち欠けAR＋ was updated on November 7, 2026 and エスビューア on November 3, 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.*