# Calculator+ 秘密のブラウザとメモ vs Diary

The clearest difference is in-app purchases: Diary at none against Calculator+ 秘密のブラウザとメモ's 1. Diary also leads on iOS requirement (15.0 vs 26.1). Calculator+ 秘密のブラウザとメモ's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Calculator+ 秘密のブラウザとメモ sells 1 one-off in-app purchase. Diary asks for nothing beyond the download.

## The numbers

| Metric | Calculator+ 秘密のブラウザとメモ | Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | — |
| Size | 1 MB | 33 MB |
| Requires iOS | 26.1 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Tomo Takahashi](https://appshunter.io/developer/1858509733) | [思宇 赵](https://appshunter.io/developer/6795009154) |

## What reviewers say

### Calculator+ 秘密のブラウザとメモ

[App page](https://appshunter.io/ios/app/calculator-plus/id6756207467)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro版 | $2.99 | one-time |


### Diary

[App page](https://appshunter.io/ios/app/diary-private-and-secure/id6811810768)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator+ 秘密のブラウザとメモ free?

Calculator+ 秘密のブラウザとメモ is free to download, with in-app purchases available.

### Is Diary free?

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

### Do Calculator+ 秘密のブラウザとメモ or Diary have ads?

Diary shows ads; Calculator+ 秘密のブラウザとメモ does not.

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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.*