Comparison

PDF Compressor vs PDFlexor

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

Head to head
About

PDF Compressor

Reduce the size of your PDF documents with this easy-to-use tool. Select your file, choose the desired output quality, and compress your PDFs with a single tap. Save disk space and speed up uploads and downloads.

Highlights
  • Compress PDF files
  • Reduce PDF file size
  • Select output PDF quality
  • Easy-to-use interface
  • Single-tap compression
Features
Read full description

If you want to reduce your PDF file size, save your disk space back and faster on uploads and downloads, ... then let PDF Compressor - Compress PDF File app help you. You can easily compress your PDF files right on your device, with just one tap to select your file Select quality of output PDF to reduce file size PDF. PDF Compressor is a tool to compress PDF documents to reduce PDF file size. Compress PDF files allows you to select heavy PDF files to reduce their size. PDF compressor will simply reduce pdf file size with a single tap. PDF Compressor is free and the best tool to reduce PDF file size. Do download this compressor app and tell us more about how we can improve it. Compressing PDF file size makes it possible for anyone to reduce your PDF document size, especially useful for those PDF files with many scan graphics and photos. Compressed PDF documents require less disk space for storage and faster uploads and downloads save transmission time and cost. This app gives you access to compression options to help you to reduce PDF file size without compromising the document's integrity. Compress PDF File rewrites the entire PDF documents using selected compression options as efficiently as possible. Some PDF documents might not get compressed, because the PDF documents might be already compressed or have nothing much to compress. With our simple and easy-to-use app, you can compress/reduce pdf file sizes using your IOS device. Compress PDF file size has the following features: - Very smart and easy-to-use PDF compressor. - Compress PDF files to reduce PDF file size.

About

PDFlexor

Edit, convert, and organize PDF documents with a secure, all-in-one toolkit. Features include merging, splitting, page reordering, and conversion to various formats, with most operations processed locally for enhanced privacy.

Highlights
  • Merge and split PDF files
  • Extract, delete, and reorder pages
  • Convert PDFs to/from various formats
  • Crop and resize PDF pages
  • Compress PDF file size
  • Local processing for enhanced security
Features
Read full description

Master Your PDFs with Our Comprehensive Toolkit PDFlexor empowers you to effortlessly edit, convert, and manage your PDF documents with a comprehensive suite of features. Whether you need to merge, split, extract pages, reorder, rotate, convert, or crop PDFs, this app ensures your documents are handled with the utmost security. Local Processing for Maximum Security: Most PDF operations, such as merging, splitting, extracting, and deleting pages, are processed locally on your device. This design principle ensures that your sensitive documents never leave your device, providing an extra layer of security and privacy. No need to worry about external breaches or unauthorized access, as your documents remain under your sole control. Secure Office Conversions: For Office-related conversions (PDF to Word, Excel, PowerPoint, and vice versa), our app takes extra precautions. Files are securely uploaded to our server for processing. We employ state-of-the-art encryption and adhere to strict privacy policies to protect your data during transmission and processing. Once the conversion is complete, files are immediately deleted from our servers, ensuring that your information remains confidential and secure. Key Features: Organization: Merge PDFs: Combine multiple PDF files into a single, organized document. Split PDFs: Divide large PDFs into smaller, more manageable files based on specific page ranges. Extract Pages: Isolate and save specific pages from a PDF into a new document. Delete Pages: Remove unwanted pages from your PDFs permanently. Add Page Numbers: Enhance your documents by adding page numbers for easy reference. Reorder Pages: Rearrange the sequence of pages in your PDF to fit your needs. Rotate Pages: Adjust the orientation of pages to ensure they are displayed correctly. Insert Pages: Add new pages into your existing PDFs at any position. Multi-page Layout: Create PDFs with multiple pages per sheet for compact viewing. Viewing and Editing: Crop PDF Pages: Trim or remove unwanted margins from your PDF pages. Resize Pages: Change the size of your PDF pages to standard formats like A4 or Letter. Compress PDF: Reduce the file size of your PDFs for easier sharing and storage. Edit Metadata: Modify or remove metadata to protect your privacy. Remove Blank Pages: Automatically detect and delete empty pages from your documents. Overlay PDF: Superimpose one PDF onto another for layered content. Compare PDF: Compare the differences between two PDF files. Conversion: PDF to Image: Convert PDF pages into image files. Extract Images: Retrieve all embedded images from your PDFs. Extract Text: Convert PDF content into editable text formats. Images to PDF: Convert a collection of images into a single PDF document. URL to PDF: Capture web content directly into a PDF format. SVG to PDF: Transform SVG graphics into PDF files. CSV to PDF: Convert tabular data from CSV into a PDF document. RTF to PDF: Convert rich text format files into PDFs. PDF to RTF: Convert PDF content into editable RTF files. PDF to Word/Excel/PowerPoint: Convert your PDFs into editable Office formats. GIF/Excel/Word/PowerPoint to PDF: Convert various file types into PDFs. Security: Sign PDF: Electronically sign your PDFs for a secure and efficient workflow. Protect PDF: Secure your PDFs with passwords to prevent unauthorized access. Unlock PDF: Remove password protection from PDFs you own. Add Watermark: Protect your documents with text or image watermarks. Redact PDF: Safeguard sensitive information by blacking out text. Experience the power, flexibility, and security of our All-in-One PDF App and simplify your PDF tasks today! Download now and unlock the full potential of your PDF documents, with peace of mind knowing that your privacy and security are our top priorities. Terms of Service: https://pdfinity.ultraifun.com/agreements/termsOfUser.html Privacy Policy: https://pdfinity.ultraifun.com/agreements/privacy.html

Screenshots

PDF Compressor3 screens
PDFlexor4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Compressor at none against PDFlexor's 4. PDF Compressor also leads on ratings volume (813 vs 1). PDFlexor's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDFlexor sells 4 in-app purchases, starting at $1.99 per 7 days. PDF Compressor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PDFlexor holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PDF Compressor has 813 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

PDF Compressor ships an update every 2 months, PDFlexor every 3 days. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

Scorecard7 real differences · 3 level
PDF Compressor versus PDFlexor: the parameters behind the verdict, then further details
ParameterPDF CompressorPDFlexor
PriceFreeFree
Rating4.6 (813 ratings)5.0 (1 ratings) — better
Positive reviews26.0% of reviews—
Number of ratings813 — better1
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size11 MB45 MB
Age rating4+4+
DeveloperVishalbhai VaghasiyaHuizhou Jiqu Technology Co., Ltd.

Customer experience

PDF Compressor

All ratings813 ratings
Positive90.5%
Neutral2.5%
Negative7.0%
Written reviews50 reviews
Positive26.0%
Neutral0.0%
Negative74.0%

PDFlexor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

PDF Compressor

Reported bugs

9 issues
  • App crashes on second compression attempt
  • File size increases instead of decreasing
  • App exits unexpectedly after compression
  • Compressed file unrecognizable or corrupted
  • Keyboard numbers display as blank
Show 4 more
  • Slow compression times (5+ minutes for small files)
  • Unable to save or retrieve compressed files
  • Document pages expand instead of compress
  • App crashes on launch

Requested features

5 requests
  • Reduce or eliminate advertisements
  • Add compression quality/control settings
  • Batch file compression capability
  • Improved preview functionality for multiple documents
  • Better file naming conventions for compressed files

PDFlexor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

PDF Compressor

No in-app purchases

4 purchases

PDFlexor

Subscriptions3
  • Weekly Membership$1.997 Days
  • Monthly Membership$3.991 Month
  • Annual Membership$14.991 Year
One-time1
  • Life Membership$29.99

Questions

Is PDF Compressor free?
PDF Compressor is free to download, with no in-app purchases.
Is PDFlexor free?
PDFlexor is free to download, with in-app purchases available.
Which has better reviews, PDF Compressor or PDFlexor?
PDFlexor is rated higher. PDF Compressor averages 4.6 out of 5 from 813 ratings, while PDFlexor averages 5.0 from 1 ratings.
Do PDF Compressor or PDFlexor have ads?
PDF Compressor shows ads; PDFlexor does not.
Which is updated more often, PDF Compressor or PDFlexor?
PDF Compressor ships an update every 2 months, and PDFlexor every 3 days. Most recently, PDF Compressor was updated on October 17, 2026 and PDFlexor on October 2, 2026.

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