# PDF Password Tool vs AIUM

The clearest difference is ads: AIUM at none against PDF Password Tool's shown. PDF Password Tool's advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Password Tool ships an update every 3 weeks, AIUM every 2 months. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PDF Password Tool | AIUM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-password-tool/id6773886649/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 35 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bokeria](https://appshunter.io/developer/1425332310) | [Hitoshi Kanetani](https://appshunter.io/developer/1896509422) |

## What reviewers say

### PDF Password Tool

[App page](https://appshunter.io/ios/app/pdf-password-tool/id6773886649)

Secure your PDF documents by adding or removing passwords. This utility processes files directly on your device, ensuring privacy for sensitive information like contracts and certificates. It supports batch processing and easy sharing of protected or unlocked PDF copies.

**Highlights:** Unlock PDFs with existing password, Add new open password to unlocked PDFs, Process multiple PDF files, Save or share processed copies, Open PDFs from Files app, Supports English and Korean

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

**In-app purchases:** none


### AIUM

[App page](https://appshunter.io/ios/app/aium/id6783911387)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Password Tool free?

PDF Password Tool is free to download, with no in-app purchases.

### Is AIUM free?

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

### Do PDF Password Tool or AIUM have ads?

PDF Password Tool shows ads; AIUM does not.

### Which is updated more often, PDF Password Tool or AIUM?

PDF Password Tool ships an update every 3 weeks, and AIUM every 2 months. Most recently, PDF Password Tool was updated on September 19, 2026 and AIUM on September 20, 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.*