Comparison

PDF Reader vs Simple Spreadsheet

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Reader

Edit, convert, and manage PDF documents on your mobile device. This app allows you to directly edit text, scan documents, fill out forms, and secure your files with passwords and watermarks. It also supports OCR to extract text from scans and convert PDFs to various formats.

Highlights
  • Edit PDF text directly
  • Convert PDF to Word, Excel, PPT, images
  • OCR for text extraction from scans
  • Fill and sign PDF forms
  • Secure PDFs with passwords and watermarks
  • Annotate PDFs with highlights and notes
  • Merge and split PDF files
Features
Read full description

KDAN PDF, formerly KDAN PDF Reader, is a mobile PDF editor and reader for iPhone, iPad, and Mac. Edit text directly on your device. Then scan, organize, convert, sign, and share your PDFs in one simple and powerful app. Trusted by millions, KDAN PDF connects your workflow across iPhone, iPad, and Mac, making it easy to review, annotate, and finalize documents anywhere. Who Recommends Us? - Featured as “10 Essentials” in Utility on iTunes - Featured in “10 Best PDF Reader Apps For iPhone & iPad 2019” by FOSSBYTES - Featured as “Best Utility App” in App Store Rewind KEY FEATURES PDF EDITOR • Edit and correct any typos directly on PDFs • Merge multiple files into one PDF • Split a large PDF into several small PDFs • Rotate, delete, add, and rearrange pages • Extract pages or images from PDFs • Change PDF background color PDF CONVERTER • Online & Offline PDF converter • Convert PDF to Word, Excel, PPT & image conversions (docx, xlsx, pptx, jpg, png, gif & bmp). • Save webpages and images as PDFs OCR (Optical Character Recognition) • Recognize and extract text from scans • Export OCR results as text or searchable PDFs • Support 50+ languages SIGN, FORM FILLING, SHARE • Fill out & edit PDF forms • Sign on PDFs • Customize and manage signatures SHARE FILES • Get files from KDAN Cloud, iCloud Drive, Dropbox, OneDrive, Google Drive, Evernote, FTP, or WebDAV client • Compress PDFs • Share flatten PDFs • Send faxes directly from within the app PDF SECURITY • Add passwords to lock PDFs • Remove passwords & restrictions from PDFs • Add & remove PDF watermarks • Validate certificates & signatures in PDF documents VIEW FILES • Supports all mainstream file formats, including Vitrium* PDF format (Like University of Phoenix Ebooks) • Text Reflow & Auto Flow • Present a PDF as a slideshow • View multiple PDFs as tabs • Dark mode supported (only for iOS13 & macOS Mojave and later) • Convert text to spoken audio (text-to-speech) ANNOTATE & REVIEW PDF • Annotate PDFs with highlights, underlines, strikeout text, shapes, sticky notes & text boxes • Add pre-designed stamps, including Approved, Sign Here, Confidential, and more • Add custom stamps with time and date information • Insert hyperlinks to external websites, target pages, and email address • Attach audio notes & insert images to PDFs • Turn handwriting into text with Scribble (Available for iPad) • Add handwritten notes to PDFs MANAGE ANNOTATIONS • Save annotations in XFDF format • Remove all annotations in one tap - Recommended by Techradar, Techworm & Softsonic UPGRADE OPTIONS DOCUMENT 365 • Try for $0.00 for 7 days • Access KDAN PDF on Mac, iPhone, iPad, and other platforms. • Annual plan: billed at USD 59.99/year after the 7-day free trial ends • Quarterly plan: billed at USD 19.99/quarter after 3-day free trial ends • Monthly plan: billed at USD 9.99/month after 3-day free trial ends Subscriptions will be charged to your Apple account upon purchase and will auto-renew 24 hours before the current period ends at the same price and duration. Cancellation during the active period is not allowed. Manage your trial and subscription in your Apple account. Terms of service: https://pdf-reader.kdandoc.com/terms-of-service Privacy Policy: https://pdf-reader.kdandoc.com/privacy-policy Got a question? Contact us at helpdesk@kdanmobile.com or check out https://support.kdanmobile.com

About

Simple Spreadsheet

Create and edit spreadsheets with ease. Import Excel files, add charts, and generate PDFs. Offers templates and advanced cell editing features for various organizational tasks.

Highlights
  • Import and edit Excel (xlsx) files
  • Create tables and charts
  • Generate PDF and print sheets
  • Insert images and checkboxes into cells
  • Support for common Excel functions
  • Export to Excel (xlsx) files
Features
Read full description

This is a spreadsheet app can let you create sheets and edit sheets. Import excel(xlsx) files, create sheets, tables, charts, generate PDF, print sheets through AirPrint. Create sheets by templates. -Import excel(xlsx) files, view and edit worksheets in workbook. -Search in sheets. -When edit sheets, you can select multiple cells, select a whole row or column, even the whole sheet. -Support merge cells, adjust height of row and width of column. -You can insert image, checkbox and progress/column bar into cell. -Select range, then generate charts, share charts to friend. -Quick sum, insert formula, popular excel functions support. -Generate sheet to image, generate pdf. -Print preview, print through AirPrint. -Export to excel(xlsx) files, share to friends. Whenever you create class calendar, record expense and saving, todo list, grocery list, make travel plan, etc. Simple SpreadSheet may meet your needs. Please refer to our terms and privacy when you download and use this app. To use all the features this app provided, please unlock SpreadSheet PRO. by purchase it in the app. We provide one time purchease and auto-renew subscription year by year. *Subscription will automatically renew each year, within 24 hours of it's expiration. Your credit card will charged through your iTunes account.To stop auto-renewal, turn off the feature in your iTunes account settings at last 24 hours prior to your subscription's expiration. Current, active subscriptions cannot be cancelled. Any suggestions, please email to 354822@qq.com Terms of Use: http://sheetsliteus.qqzhuti.net/terms Privacy Policy: http://sheetsliteus.qqzhuti.net/privacy

Screenshots

PDF Reader4 screens
Simple Spreadsheet4 screens

Verdict

The call

PDF Reader and Simple Spreadsheet both sit at 4.5 stars, but that hides the real split: 81% of PDF Reader's written reviews are positive against 44% of Simple Spreadsheet's. Simple Spreadsheet's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Reader sells 10 in-app purchases, starting at $2.99 per month and Simple Spreadsheet sells 6 in-app purchases, starting at $6.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for PDF Reader against 4.6 for Simple Spreadsheet. Both are backed by a comparable volume of ratings — 3.5K and 6.9K respectively. Written reviews are what separate them: 81% of PDF Reader's written reviews are positive against 44% of Simple Spreadsheet's.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, Simple Spreadsheet every 3 weeks. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Reader versus Simple Spreadsheet: the parameters behind the verdict, then further details
ParameterPDF ReaderSimple Spreadsheet
PriceFreeFree
Rating4.5 (3.5K ratings)4.6 (6.9K ratings) — better
Positive reviews80.9% of reviews — better43.8% of reviews
Number of ratings3.5K6.9K — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size190 MB48 MB
Age rating4+4+
DeveloperKdan Mobile Software LTDWEN WU LI

Customer experience

PDF Reader

All ratings3,542 ratings
Positive89.2%
Neutral2.7%
Negative8.2%
Written reviews2,194 reviews
Positive80.9%
Neutral4.8%
Negative14.3%

Simple Spreadsheet

All ratings6,874 ratings
Positive89.5%
Neutral4.2%
Negative6.3%
Written reviews306 reviews
Positive43.8%
Neutral11.4%
Negative44.8%

User reviews

PDF Reader

From 3.5K App Store ratings

What we love

  • 👍 Good app
  • 🚀 Fast and efficient
  • 📚 Useful for reading PDFs
  • 🔒 Secure file storage
  • 💡 Helpful features like highlighting and annotation

Room to improve

  • 🐛 Crashes and freezes
  • 🔐 Locked files behind paywall
  • 💰 Expensive subscription
  • 📢 Intrusive ads
  • 🤯 Confusing and unintuitive UI

Simple Spreadsheet

From 6.9K App Store ratings

What we love

  • 👍 Easy to use
  • 👍 Simple and intuitive
  • 👍 Good for basic needs
  • 👍 Spreadsheet functionality
  • 👍 Helpful for small businesses

Room to improve

  • 🐛 Bugs and glitches
  • 🔒 Limited functionality without paying
  • 🔒 Inability to print or export data
  • 🐛 Data loss and sync issues
  • 🐛 Keyboard and navigation problems

Bugs and requests

PDF Reader

Reported bugs

3 issues
  • Unable to open or access saved files
  • Syncing and backup issues
  • Compatibility problems with newer iOS versions

Requested features

4 requests
  • Improved file management and organization
  • Better integration with cloud storage services
  • More customization options
  • Enhanced accessibility features

Simple Spreadsheet

Reported bugs

5 issues
  • App crashes and freezes
  • Data disappearing or changing unexpectedly
  • Inability to login or access purchased features
  • Sync and backup issues across devices
  • Overlapping UI elements and poor layout

Requested features

5 requests
  • Ability to zoom out and see full spreadsheet
  • Option to insert and delete columns/rows
  • Improved sharing and collaboration features
  • More advanced formula and formatting options
  • Better tutorials and user guides

In-app purchases

10 purchases

PDF Reader

Subscriptions9
  • KDAN Cloud$2.991 Month
  • Deluxe Business Pack$5.991 Month
  • Creativity 3653 Days trial$9.991 Month
Show 6 more
  • Document 365 (Month)3 Days trial$9.991 Month
  • Deluxe PDF Pack for iPhone$12.993 Months
  • Creativity 365 - 3 Months3 Days trial$19.993 Months
  • Document 365 (Quarter)3 Days trial$19.993 Months
  • Deluxe PDF Pack for iPhone$39.991 Year
  • Document 3657 Days trial$59.991 Year
One-time1
  • Upgrade to Premium$2.99
6 purchases

Simple Spreadsheet

Subscriptions1
  • Unlock SpreadSheet Pro 1 year3 Days trial$6.991 Year
One-time5
  • Unlock SpreadSheet Pro 1 Month$0.99
  • Unlock SpreadSheet Pro 3 month$1.99
  • Unlock SpreadSheet Pro 1 year$3.99
Show 2 more
  • Unlock SpreadSheet PRO Forever$4.99
  • Unlock SpreadSheet PRO Forever$9.99

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is Simple Spreadsheet free?
Simple Spreadsheet is free to download, with in-app purchases available.
Which has better reviews, PDF Reader or Simple Spreadsheet?
Simple Spreadsheet is rated higher. PDF Reader averages 4.5 out of 5 from 3.5K ratings, while Simple Spreadsheet averages 4.6 from 6.9K ratings.
Do PDF Reader or Simple Spreadsheet have ads?
Neither PDF Reader nor Simple Spreadsheet shows ads.
Which is updated more often, PDF Reader or Simple Spreadsheet?
PDF Reader ships an update every 2 months, and Simple Spreadsheet every 3 weeks. Most recently, PDF Reader was updated on September 24, 2026 and Simple Spreadsheet on September 22, 2026.

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