# カード打刻 vs PDF Masker

The clearest difference is in-app purchases: カード打刻 at none against PDF Masker's 1. カード打刻 also leads on ads (none vs shown). PDF Masker's advantage is device support (3 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. PDF Masker sells 1 one-off in-app purchase. カード打刻 asks for nothing beyond the download.

カード打刻 ships an update every 2 months, PDF Masker monthly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | カード打刻 | PDF Masker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/pdf-masker-secure-redaction/id6748043661/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 68 MB | 14 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Grandsoul Nara](https://appshunter.io/developer/1449541467) | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) |

## What reviewers say

### カード打刻

[App page](https://appshunter.io/ios/app/id6499240368)

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

**In-app purchases:** none


### PDF Masker

[App page](https://appshunter.io/ios/app/pdf-masker-secure-redaction/id6748043661)

Easily mask sensitive keywords in PDF files before sharing. Import PDFs, specify multiple keywords, and customize redaction colors. Export as text or image-based PDFs for secure data sharing.

**Highlights:** Import PDFs via Share menu, Bulk keyword redaction, Export as text or image PDF, Multiple keyword support, Customizable redaction color, Save keyword histories

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is カード打刻 free?

カード打刻 is free to download, with no in-app purchases.

### Is PDF Masker free?

PDF Masker is free to download, with in-app purchases available.

### Do カード打刻 or PDF Masker have ads?

PDF Masker shows ads; カード打刻 does not.

### Which is updated more often, カード打刻 or PDF Masker?

カード打刻 ships an update every 2 months, and PDF Masker monthly. Most recently, カード打刻 was updated on October 15, 2026 and PDF Masker on October 24, 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.*