PDF Reader vs Clean Lion
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
Clean Lion
This utility app helps declutter your phone by offering one-click file cleaning, photo management, and junk video removal. It also includes a WiFi speed test to monitor your network performance.
- One-click phone cleaning
- Photo cleanup (delete unwanted/similar)
- Junk video file removal
- WiFi speed measurement
- Subscription options
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Complete product description We adhere to providing you with excellent product services, striving to have a good attitude towards products, and constantly optimizing and iterating our APP Why choose our cleaning app 1. We provide you with a one click cleaning function for your phone, which allows you to quickly clean up excess files on your phone 2. We provide a photo cleaning function, where you can choose to delete unwanted/similar photos 3. Video cleaning function, you can quickly clean up your junk video files through our application 4. WiFi speed measurement: We provide you with an additional WiFi speed measurement function, which allows you to measure your current network speed to ensure a good network environment Subsriptions: Week: US$4.99 Month: US$9.99 Year: US$29.99 If you have any suggestions for our application, you can also contact us through the contact information below. Our contact information is: QTYUzS6y7CrHid@163.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: PDF Reader at 56% against Clean Lion's 0%. PDF Reader also leads on in-app purchases (none vs 3) and rating (4.7 vs 4.3). Clean Lion's advantage is ads (none vs shown). On price and device support 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. Clean Lion sells 3 in-app purchases, starting at $4.99 per 7 days. PDF Reader asks for nothing beyond the download.
PDF Reader holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: PDF Reader has 4K ratings behind it against 121, so its average is the more settled of the two. Written reviews point the same way: 56% of PDF Reader's written reviews are positive against 0% of Clean Lion's.
PDF Reader ships an update weekly, Clean Lion every 4 weeks. Both last shipped on October 18, 2026.
| Parameter | PDF Reader | Clean Lion |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (4K ratings) — better | 4.3 (121 ratings) |
| Positive reviews | 55.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 4K — better | 121 |
| Update frequency | Weekly — better | Every 4 weeks |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Best chart rank | #17 — better | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 69 MB | 26 MB |
| Age rating | 4+ | 9+ |
| Developer | SPARK TECH LIMITED | EIGHT PUNCH(HONGKONG)CO.,LIMITED |
Customer experience
PDF Reader
Clean Lion
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
Clean Lion
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Reader
No in-app purchases
Clean Lion
- week subscription3 Days trial$4.997 Days
- month subscription$9.991 Month
- year subscription$29.991 Year
