# TaskSync vs PDF Masker

The clearest difference is ads: TaskSync at none against PDF Masker's shown. TaskSync also leads on update cadence (daily vs monthly). PDF Masker's advantage is iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TaskSync sells 1 one-off in-app purchase and PDF Masker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TaskSync ships an update daily, PDF Masker monthly. The most recent releases landed on May 18, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | TaskSync | 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 | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Monthly |
| Monetization | — | Ad-supported |
| Size | 6 MB | 14 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Sakuma](https://appshunter.io/developer/1791815850) | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) |

## What reviewers say

### TaskSync

[App page](https://appshunter.io/ios/app/tasksync-custom-memo-app/id6741540253)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プロ版機能 | $5.99 | one-time |


### 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 TaskSync free?

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

### Is PDF Masker free?

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

### Do TaskSync or PDF Masker have ads?

PDF Masker shows ads; TaskSync does not.

### Which is updated more often, TaskSync or PDF Masker?

TaskSync ships an update daily, and PDF Masker monthly. Most recently, TaskSync was updated on May 18, 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.*