# Motion Detector Camera vs PDF Ripper

The clearest difference is rating: PDF Ripper at 2.7 against Motion Detector Camera's 1.0. PDF Ripper also leads on review sentiment (20% vs 7%) and price ($1.99 vs $3.99). Motion Detector Camera's advantage is iOS requirement (12.0 vs 14.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Motion Detector Camera costs $3.99 and PDF Ripper $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDF Ripper holds the better App Store score, 2.7 against 1.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 7% of Motion Detector Camera's written reviews are positive against 20% of PDF Ripper's.

Motion Detector Camera ships an update every 27 months, PDF Ripper every 38 months. The most recent releases landed on September 23, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Motion Detector Camera | PDF Ripper |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/motion-detector-camera/id1132847115/reviews) | **[2.7 (3 ratings)](https://appshunter.io/ios/app/pdf-ripper/id1545556490/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 7.1% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 27 months** | Every 38 months |
| Monetization | Paid | Paid |
| Size | 43 MB | 1 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [实 许](https://appshunter.io/developer/681075194) |

## What reviewers say

### Motion Detector Camera

[App page](https://appshunter.io/ios/app/motion-detector-camera/id1132847115)

This app transforms your device into a motion-detecting security camera. It uses advanced algorithms to detect movement, sound an alert, and automatically record video or capture images of detected objects. It's ideal for monitoring pets, securing your home, or any surveillance needs.

**Highlights:** Advanced motion detection algorithm, Automatic recording and image capture, Front/back camera support, Adjustable video/image sizes, Human, cat, or dog detection, Dimmable screen option, Date, time, and object type embedding

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

**In-app purchases:** none


### PDF Ripper

[App page](https://appshunter.io/ios/app/pdf-ripper/id1545556490)

This utility app allows you to extract specific pages from PDF files. You can choose to keep only designated pages or exclude certain ones. It's useful for analysis, reporting, or removing unwanted content from documents.

**Highlights:** Extract specific PDF pages, Exclude unwanted PDF pages, Retain PDF outlines, Import PDF files, Export ripped PDF files

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Motion Detector Camera free?

Motion Detector Camera costs $3.99, with no in-app purchases.

### Is PDF Ripper free?

PDF Ripper costs $1.99, with no in-app purchases.

### Which has better reviews, Motion Detector Camera or PDF Ripper?

PDF Ripper is rated higher. Motion Detector Camera averages 1.0 out of 5 from 2 ratings, while PDF Ripper averages 2.7 from 3 ratings.

### Do Motion Detector Camera or PDF Ripper have ads?

Neither Motion Detector Camera nor PDF Ripper shows ads.

### Which is updated more often, Motion Detector Camera or PDF Ripper?

Motion Detector Camera ships an update every 27 months, and PDF Ripper every 38 months. Most recently, Motion Detector Camera was updated on September 23, 2026 and PDF Ripper on September 16, 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.*