# 月の満ち欠けAR vs ARphymedesPlus StudentBook

The clearest difference is iOS requirement: 月の満ち欠けAR at 9.1 against ARphymedesPlus StudentBook's 14.0. On price, update cadence, ads and in-app purchases 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 4 months, ARphymedesPlus StudentBook every 3 months. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 月の満ち欠けAR | ARphymedesPlus StudentBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 53 MB | 534 MB |
| Requires iOS | **9.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Nakano](https://appshunter.io/developer/1091174971) | [DIADRASIS LADAS I. & CO O.E.](https://appshunter.io/developer/1163797391) |

## What reviewers say

### 月の満ち欠けAR

[App page](https://appshunter.io/ios/app/ar/id1091958673)

**Features:** macOS Compatibility

**In-app purchases:** none


### ARphymedesPlus StudentBook

[App page](https://appshunter.io/ios/app/arphymedesplus-studentbook/id6449094789)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 ARphymedesPlus StudentBook free?

ARphymedesPlus StudentBook is free to download, with no in-app purchases.

### Do 月の満ち欠けAR or ARphymedesPlus StudentBook have ads?

Neither 月の満ち欠けAR nor ARphymedesPlus StudentBook shows ads.

### Which is updated more often, 月の満ち欠けAR or ARphymedesPlus StudentBook?

月の満ち欠けAR ships an update every 4 months, and ARphymedesPlus StudentBook every 3 months. Most recently, 月の満ち欠けAR was updated on October 8, 2026 and ARphymedesPlus StudentBook on October 6, 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.*