# PassFM vs Calculator+ 秘密のブラウザとメモ

The clearest difference is price: Calculator+ 秘密のブラウザとメモ at Free against PassFM's $2.99. Calculator+ 秘密のブラウザとメモ also leads on update cadence (every 4 days vs every 3 months). PassFM's advantage is in-app purchases (none vs 1) and iOS requirement (14.0 vs 26.1). On ads and device support there is nothing between them.

Calculator+ 秘密のブラウザとメモ is free to download; PassFM costs $2.99 up front. Calculator+ 秘密のブラウザとメモ sells 1 one-off in-app purchase. PassFM asks for nothing beyond the download.

PassFM ships an update every 3 months, Calculator+ 秘密のブラウザとメモ every 4 days. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PassFM | Calculator+ 秘密のブラウザとメモ |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.7 (9 ratings)](https://appshunter.io/ios/app/passfm-private-file-manager/id980936769/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 48.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 29 MB | 1 MB |
| Requires iOS | **14.0** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [刘生 林](https://appshunter.io/developer/948768792) | [Tomo Takahashi](https://appshunter.io/developer/1858509733) |

## What reviewers say

### PassFM

[App page](https://appshunter.io/ios/app/passfm-private-file-manager/id980936769)

Securely store and manage your private files, including photos, videos, documents, and notes. This app offers a private browser for safe web activity and allows for easy file import, export, and sharing. Protect your sensitive information with password protection and local storage.

**Highlights:** Password-protected file storage, Private photo and video viewer/player, Built-in private web browser, Import, export, and share files, Private contact and note management, WiFi file transfer

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is PassFM free?

PassFM costs $2.99, with no in-app purchases.

### 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.

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

Neither PassFM nor Calculator+ 秘密のブラウザとメモ shows ads.

### Which is updated more often, PassFM or Calculator+ 秘密のブラウザとメモ?

PassFM ships an update every 3 months, and Calculator+ 秘密のブラウザとメモ every 4 days. Most recently, PassFM was updated on October 16, 2026 and Calculator+ 秘密のブラウザとメモ on October 2, 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.*