# 精算ちゃん vs PDF Masker

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

Both are free to download. PDF Masker sells 1 one-off in-app purchase. 精算ちゃん asks for nothing beyond the download.

精算ちゃん ships an update every 2 months, PDF Masker monthly. The most recent releases landed on September 7, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | 精算ちゃん | 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 | 56 MB | 14 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Yamada Hiroki](https://appshunter.io/developer/1654388248) | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) |

## What reviewers say

### 精算ちゃん

[App page](https://appshunter.io/ios/app/id6444388748)

**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 精算ちゃん free?

精算ちゃん 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 精算ちゃん or PDF Masker have ads?

PDF Masker shows ads; 精算ちゃん does not.

### Which is updated more often, 精算ちゃん or PDF Masker?

精算ちゃん ships an update every 2 months, and PDF Masker monthly. Most recently, 精算ちゃん was updated on September 7, 2026 and PDF Masker on August 18, 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.*