PDF Reader vs CS PDF Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.
- Liquid Mode for optimized mobile reading
- Annotation tools (pencil, text, highlighting)
- Handwritten signature insertion
- File management (move, merge, copy, delete)
- Cloud service integration (Wondershare, iCloud)
- Create blank PDFs and folders
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PDFelement - PDF Reader is a PDF reader using the latest technology. The newly connected Liquid Mode function allows you to enjoy the best reading experience. In addition, there are various annotation tools, file management, signature, Various functions such as cloud services can meet your PDF needs in work and study. PDF VIEWER • Liquid Mode gives you the best PDF reading experience • Star files to find them quickly • Easily locate recently accessed files in the "Recent" list. • Enter the page number to navigate to the desired page for viewing LIQUID MODE • Get the best PDF Reading experience with Liquid Mode • PDF document fully fits the mobile phone screen, no need to zoom in and out repeatedly. • Easily adjust brightness, font size,style, and spacing. ANNOTATE • Using Pencil to annotate like writing on the paper • Add text annotations, freely modify the text and background, border colors, choose the appropriate font and font size. • Supports many annotating tools like highlighting, underlining, squiggly lines, or strikethroughs. MANAGE • Move, merge, copy or delete files SIGNATURE • Enables handwritten signatures to be inserted anywhere within the document, while also offering the ability to zoom in and out for greater flexibility. • Built-in commonly used stamps CREATE • Quickly create completely blank PDF documents • Creat blank folders. SHARE • Sharing document content with others is just a click away with capture feature. • Select sentence(s) or pragraph(s) to share CLOUD SERVICE • PDF Reader supports uploading or downloading docs via computer, Wondershare document cloud and iCloud. Please note that this app only supports editing native PDF files. It does not support editing scanned or raster PDF. If you find you cannot edit text in PDF, please check if it is scanned PDF. Thank you! ---------------------------------------------------------------------------------------- Need HELP? Please contact us! We'll feedback to you ASAP. Email: pdfelement@wondershare.com Support Center: http://support.wondershare.com Forum: http://forum.pdf.wondershare.com Official Website: https://pdf.wondershare.com If you think this App helps you, your positive review in the App Store would be much appreciated.
CS PDF Editor
This app offers a comprehensive suite of tools for managing documents on iOS devices. It allows users to view, edit, and scan PDFs, convert Word documents to PDF, and add digital signatures. The app aims to enhance productivity and streamline document workflows for professionals and students.
- All Documents and PDF Viewer
- Signature Pad
- Word to PDF Conversion
- PDF Editor and Annotator
- Text Recognition Scan
- Document Scanner
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Introducing All Document PDF Viewer and Document Scanner: Elevate your document management experience with our all-in-one iOS app. Designed for professionals and students alike, our app streamlines your workflow by providing powerful tools right at your fingertips. Key Features: - All Documents and PDF Viewer: Effortlessly read and navigate through PDF documents with our user-friendly interface. - Signature Pad: Securely sign and authenticate documents directly within the app, adding a personal touch to your digital paperwork. - Word to PDF: Seamlessly convert Word documents to PDF format, ensuring compatibility and preserving the integrity of your files. - PDF Editor: Edit and annotate PDFs with ease, making last-minute changes or adding notes for clarity. - Text Recognition Scan text and copy in to your any document. - All document viewer now you can view all documents with our app. - Document Scanner: Transform physical documents into high-quality PDFs using your device's camera, making digitization a breeze. Benefits: - Efficiency at Your Fingertips: Save time with a suite of tools designed to handle a variety of document tasks efficiently. - Eco-Friendly: Reduce paper use by digitizing your workflow, contributing to a greener environment. - Enhanced Productivity: Streamline your document management process, from scanning to signing, all within a single app. - Mobility: Access and manage your documents on the go, ensuring that your work travels with you. Elevate your productivity and document management with PDF Generator Document Scanner. Download now and experience the ultimate convenience in handling your digital documents.
Screenshots
Verdict
The clearest difference is ads: PDF Reader at none against CS PDF Editor's shown. PDF Reader also leads on ratings volume (3.9K vs 13) and monetization model (free vs ad-supported). CS PDF Editor's advantage is update cadence (every 3 weeks vs every 2 months) and review sentiment (86% vs 77%). On price, rating, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
CS PDF Editor holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: PDF Reader has 3.9K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 77% of PDF Reader's written reviews are positive against 86% of CS PDF Editor's.
PDF Reader ships an update every 2 months, CS PDF Editor every 3 weeks. The most recent releases landed on September 23, 2026 and June 4, 2026 respectively.
| Parameter | PDF Reader | CS PDF Editor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3.9K ratings) | 4.5 (13 ratings) — better |
| Positive reviews | 76.7% of reviews | 85.7% of reviews — better |
| Number of ratings | 3.9K — better | 13 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 173 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | Wondershare Technology (Hunan) Co.,Ltd. | MACROMATRIX (PRIVATE) LIMITED |
Customer experience
PDF Reader
CS PDF Editor
Bugs and requests
PDF Reader
Reported bugs
4 issues- Text boxes appearing randomly
- Inability to select/edit text in some PDFs
- Scrolling issues and page loading delays
- Incompatibility with certain PDF formats
Requested features
5 requests- Ability to edit text formatting (font, size, color)
- Support for multiple open documents
- Improved Apple Pencil integration
- Bookmark/favorite feature for frequently used PDFs
- Expanded cloud storage integration (OneDrive, Google Drive, etc.)
CS PDF Editor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Reader
No in-app purchases
CS PDF Editor
No in-app purchases









