PDF Reader vs ClearSpace：Clean Storage
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
Transform your smartphone into a powerful PDF scanner and editor. Easily convert images and documents to PDF, or convert PDFs to other formats. Protect your files with encryption and share them securely.
- Scan documents
- Convert images to PDF
- Convert PDF to other formats
- Crop image sizes
- Share documents
- Add watermark
- File encryption
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Turbo PDF: Scanner & Editor is a highly reliable scanner application that effectively transforms your smartphone into a robust PDF scanner. This application enables seamless conversion of photos and pictures into PDF format with a simple and convenient touch function. Features of the Turbo PDF: Scanner & Editor Scan your documents, crop image sizes. Convert images to PDF format. Convert pdf to other formats. Efficient and user-friendly scanning experience with a quick and convenient interface. Share documents via social media, add watermark. File encryption to protect your privacy. By using our app you can seamlessly convert photos and documents to PDF, or convert pdf to other file formats. Turbo PDF: Scanner & Editor is the premier PDF converter that makes working with scanned documents extremely easy. Privacy Policy: https://www.turbopdftool.com/privacyPolicy.html For any feedback or queries, please contact us at mailto:turbopdf@outlook.com
ClearSpace：Clean Storage
Effortlessly declutter your iPhone with a single tap. This smart manager offers file compression, network monitoring, and customizable widgets for instant device insights. Enjoy a faster, cleaner, and more intuitive mobile experience with smooth animations.
- One-tap phone decluttering
- File compression
- Network monitoring and optimization
- Customizable home screen widgets
- Quick-access flashlight
- Engaging animations
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Easy cleaning, phone refreshed - ClearSpace ClearSpace is far more than just a simple cleaning utility for your iPhone. It's your device's ultimate all-in-one smart manager! Forget complex operations – with just a single tap, you can effortlessly declutter your phone, making your iPhone faster, smarter, and brilliantly clean. We understand your desire for peak performance and a seamless mobile experience. That's why ClearSpace comes packed with everything you need: from powerful file compression to precise network monitoring and optimization, ensuring your device always runs at its best. But it doesn't stop there! Dive into a world of rich, customizable widgets that give you instant insights into vital device information like battery life, storage, and network usage, right from your home screen. Plus, essential utilities like a quick-access flashlight are always within easy reach. We've also meticulously crafted ClearSpace with smooth, engaging animations, transforming routine tasks into a visually delightful experience. ClearSpace is dedicated to elevating your smartphone experience, making phone management intuitive, efficient, and genuinely enjoyable! Download ClearSpace now and embark on an easy cleaning journey! Privacy Policy: https://pcog.clearspacehzih.com/PrivacyPolicy.html
Screenshots
Verdict
The clearest difference is review sentiment: PDF Reader at 62% against ClearSpace：Clean Storage's 0%. PDF Reader also leads on rating (4.7 vs 4.1) and update cadence (weekly vs every 6 weeks). ClearSpace：Clean Storage's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement 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 Reader holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: PDF Reader has 4.8K ratings behind it against 58, so its average is the more settled of the two. Written reviews point the same way: 62% of PDF Reader's written reviews are positive against 0% of ClearSpace：Clean Storage's.
PDF Reader ships an update weekly, ClearSpace：Clean Storage every 6 weeks. Both last shipped on November 8, 2026.
| Parameter | PDF Reader | ClearSpace：Clean Storage |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (4.8K ratings) — better | 4.1 (58 ratings) |
| Positive reviews | 61.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 4.8K — better | 58 |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 69 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | SPARK TECH LIMITED | GOOD STUDY NETWORK TECHNOLOGY LIMITED |
Customer experience
PDF Reader
ClearSpace：Clean Storage
Bugs and requests
PDF Reader
Reported bugs
3 issues- Login issues
- Compatibility problems with newer devices
- Frequent crashes and freezes
Requested features
3 requests- More customization options
- Improved privacy controls
- Better customer support
ClearSpace：Clean Storage
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Reader
No in-app purchases
ClearSpace：Clean Storage
No in-app purchases
Questions
Is PDF Reader free?
Is ClearSpace：Clean Storage free?
Which has better reviews, PDF Reader or ClearSpace：Clean Storage?
Do PDF Reader or ClearSpace：Clean Storage have ads?
Which is updated more often, PDF Reader or ClearSpace：Clean Storage?
Other comparisons
