# アイアシスタント vs 物理公式集

The clearest difference is review sentiment: 物理公式集 at 80% against アイアシスタント's 0%. アイアシスタント's advantage is in-app purchases (none vs 1) and update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 物理公式集 sells 1 one-off in-app purchase. アイアシスタント asks for nothing beyond the download.

アイアシスタント ships an update monthly, 物理公式集 every 2 months. The most recent releases landed on October 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | アイアシスタント | 物理公式集 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1567189780/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 12 MB | 47 MB |
| Requires iOS | **11.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ICS Co.,Ltd](https://appshunter.io/developer/844046687) | [riku miyamoto](https://appshunter.io/developer/1527433251) |

## What reviewers say

### アイアシスタント

[App page](https://appshunter.io/ios/app/id1537954792)

**Features:** macOS Compatibility

**In-app purchases:** none


### 物理公式集

[App page](https://appshunter.io/ios/app/id1567189780)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除 | $1.99 | one-time |


## Frequently asked questions

### Is アイアシスタント free?

アイアシスタント is free to download, with no in-app purchases.

### Is 物理公式集 free?

物理公式集 is free to download, with in-app purchases available.

### Do アイアシスタント or 物理公式集 have ads?

Neither アイアシスタント nor 物理公式集 shows ads.

### Which is updated more often, アイアシスタント or 物理公式集?

アイアシスタント ships an update monthly, and 物理公式集 every 2 months. Most recently, アイアシスタント was updated on October 13, 2026 and 物理公式集 on September 22, 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.*