# PDF Tools vs Silence Meter

The clearest difference is in-app purchases: Silence Meter at none against PDF Tools's 3. PDF Tools's advantage is ads (none vs shown) and update cadence (every 6 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Tools sells 3 in-app purchases, starting at $4.99 per month. Silence Meter asks for nothing beyond the download.

PDF Tools ships an update every 6 days, Silence Meter every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Tools | Silence Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/pdf-tools-editor-and-converter/id6590461166/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 36 MB | 36 MB |
| Requires iOS | 16.0 | **15.8.3** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vijay Kale](https://appshunter.io/developer/6799427475) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### PDF Tools

[App page](https://appshunter.io/ios/app/pdf-tools-editor-and-converter/id6590461166)

This app offers a comprehensive suite of tools for managing PDF documents. Easily convert images to PDF, split and merge files, add watermarks, signatures, and compress documents. It provides a user-friendly interface for efficient document handling.

**Highlights:** Split and merge PDF files, Convert images to PDF, Add watermarks and signatures, Compress PDF size, Unlock secured PDFs, Extract and delete pages, Convert PDF to text/image

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 month) | $4.99 | per month |
| Premium (1 year) | $14.99 | per year |
| Premium (Lifetime) | $49.99 | one-time |


### Silence Meter

[App page](https://appshunter.io/ios/app/silence-meter/id6748349697)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Tools free?

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

### Is Silence Meter free?

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

### Do PDF Tools or Silence Meter have ads?

Silence Meter shows ads; PDF Tools does not.

### Which is updated more often, PDF Tools or Silence Meter?

PDF Tools ships an update every 6 days, and Silence Meter every 2 weeks. Most recently, PDF Tools was updated on October 24, 2026 and Silence Meter on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*