# PDF Editor ,PDF Book Reader ® vs QuietSense

The clearest difference is update cadence: PDF Editor ,PDF Book Reader ® at every 4 days against QuietSense's every 2 months. PDF Editor ,PDF Book Reader ® also leads on device support (5 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. PDF Editor ,PDF Book Reader ® sells 6 in-app purchases, starting at $9.99 per month and QuietSense sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Editor ,PDF Book Reader ® ships an update every 4 days, QuietSense every 2 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PDF Editor ,PDF Book Reader ® | QuietSense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (22K ratings)](https://appshunter.io/ios/app/pdf-editor-pdf-book-reader/id1354910662/reviews)** | — |
| Number of ratings | **22K** | — |
| Positive reviews | 82.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 4 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Milad Fakhr](https://appshunter.io/developer/380865844) | [Hwechul Cho](https://appshunter.io/developer/1516194642) |

## What reviewers say

### PDF Editor ,PDF Book Reader ®

[App page](https://appshunter.io/ios/app/pdf-editor-pdf-book-reader/id1354910662)

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.

**Highlights:** Read and edit PDFs, Annotate and markup documents, Fill forms and add digital signatures, Convert images and web pages to PDF, Scan documents with OCR, Organize and manage PDF library, Share via AirDrop and iCloud

**Features:** Family Sharing, Siri integration, Apple Watch app, iMessage stickers, SharePlay

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Quarterly Subscription | $19.99 | per 3 months |
| Yearly Subscription | $49.99 | per year |
| Scanner (OCR) | $3.99 | one-time |
| PDF Editor Creator  & Scanner | $49.99 | one-time |
| Lifetime Access | $99.99 | one-time |

**What reviewers like**

- 🚀 Easy to use and navigate
- 👍 Helpful for signing documents
- 🚀 Efficient PDF editing and management
- 🚀 Reliable performance and compatibility
- 👍 Useful for reading and annotating PDFs

**What reviewers complain about**

- 🐛 Issues with saving edits and text input
- 🐛 Occasional crashes or freezes
- 🔒 Concerns about privacy and data collection

**Reported bugs**

- Text not saving properly after editing
- Difficulty accessing documents at the bottom of PDFs

**Requested features**

- Add folder organization for PDFs
- Improve text editing and input responsiveness
- Provide more customization options for PDF viewing
- Integrate with cloud storage services


### QuietSense

[App page](https://appshunter.io/ios/app/quietsense-apartment-db-meter/id6771237461)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QuietSense Pro Monthly | $3.99 | per month |
| QuietSense Pro Yearly | $23.99 | per year |


## Frequently asked questions

### Is PDF Editor ,PDF Book Reader ® free?

PDF Editor ,PDF Book Reader ® is free to download, with in-app purchases available.

### Is QuietSense free?

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

### Do PDF Editor ,PDF Book Reader ® or QuietSense have ads?

Neither PDF Editor ,PDF Book Reader ® nor QuietSense shows ads.

### Which is updated more often, PDF Editor ,PDF Book Reader ® or QuietSense?

PDF Editor ,PDF Book Reader ® ships an update every 4 days, and QuietSense every 2 months. Most recently, PDF Editor ,PDF Book Reader ® was updated on October 21, 2026 and QuietSense on October 12, 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.*