PDF Password Tool vs AIUM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Password Tool
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.
- 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
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PDF Password Tool is a simple PDF security utility for creating unlocked copies of PDFs you can already open, or adding a new open password to PDFs that are not protected yet. It is designed to process files on your device without uploading them to a server. Use it for contracts, certificates, work documents, personal files, and other PDFs you want to handle carefully. Key features - Unlock PDFs when you already know the password - Add a new open password to unlocked PDFs - Process multiple PDF files in order - Save or share processed PDF copies - Open PDFs from Files and share sheets - Supports English and Korean Please note - This app does not recover or guess PDF passwords. - You need the current password to create an unlocked copy. - If you forget a newly added password, the app cannot recover it. Use PDF Password Tool to manage protected PDF copies quickly and clearly.
AIUM
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AIUM (AI Usage Monitor) is an iOS app for viewing your GitHub Copilot and OpenAI Codex usage in one place. Check your usage, limits, remaining quota, and estimated reset times in the app or through Home Screen and Lock Screen widgets. Key Features • View GitHub Copilot usage • View OpenAI Codex usage • Check usage, limits, remaining quota, and reset times • Home Screen widgets • Lock Screen widgets • Manually adjust displayed usage limits • Manage the sign-in status of each service Data Handling Authentication credentials are stored securely in the iOS Keychain. Usage data and app settings are stored on your device. Data used by widgets is stored in the app's local App Group container. AIUM does not send your data to a developer-operated backend or sync it with a developer-operated cloud service. Important Notes • Usage information is an estimate based on data provided by each service. For official billing, subscription, and remaining quota information, check the official account pages of each service. • Available usage information may vary depending on your account type, subscription plan, and service availability. • OpenAI Codex usage access may stop working if the service changes. • Widget refresh timing is controlled by iOS and is not guaranteed to be real time. • AIUM is an independent, unofficial app. It is not affiliated with, endorsed by, or sponsored by GitHub or OpenAI.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PDF Password Tool | AIUM |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 35 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Bokeria | Hitoshi Kanetani |
In-app purchases
PDF Password Tool
No in-app purchases
AIUM
No in-app purchases









