Comparison

File Compressor vs PDFWelder

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

Head to head
About

File Compressor

Easily reduce file sizes and organize data for sharing. Supports multiple compression formats and offers password protection for added security. Quickly share compressed files directly from the app.

Highlights
  • Compress to ZIP, TAR, GZIP
  • Password protection for ZIP files
  • History log of compressed files
  • Direct file sharing
  • User-friendly interface
Features
Read full description

Compress your files effortlessly with File Compressor. Whether you need to reduce file sizes or organize your data for sharing, this app makes compression simple and effective. Key Features: • Multiple Formats: Compress files into ZIP, TAR, or GZIP formats to suit your needs. • Password Protection: Secure your ZIP files with a password for added privacy. • History Log: Keep track of your compressed files with the built-in history feature. • File Sharing: Quickly share compressed files directly from the app. File Compressor offers a user-friendly interface, making it the ideal tool for professionals and casual users alike. Start compressing files on the go! File Compressor app is free. You can use it forever, at no cost. However, File Compressor does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. Terms of Use: https://kociapp.github.io/File-Compressor/term-of-use Privacy Policy: https://kociapp.github.io/File-Compressor/privacy-policy

About

PDFWelder

Read full description

PDFWelder is a PDF merger and document toolkit for iPhone and iPad, with 36 tools. It processes your files on your device without uploading them to a server. Main tools include: • Merge, scan and organize: Combine files into one document. Scan paper with the camera or add photos, then straighten and clean them up. Reorder, rotate, delete, duplicate, insert or extract pages. Split by page range, every N pages, selected pages, odd and even pages, bookmarks, blank pages or target file size. • Edit, annotate and sign: Edit existing text, draw, crop, add images, highlight, add notes, and fill detected form fields. Add a drawn, typed or imported signature, then save the form editable or flattened. Export your notes and highlights as a file. Find and replace text in place, on typed and scanned pages. Build real fillable forms. • Make a PDF: Turn a Word, Excel, CSV, PowerPoint, EPUB or Markdown file into a PDF. Save a web page as a PDF. Write a new document with text and pictures in Create PDF. • Pages and layout: Trim margins and change the page size. Export pages as PNG or JPEG, pull out the original images, or stitch pages into one long image. Add page numbers, Bates stamps and custom numbering. Add bookmarks and a contents page. Make booklets, posters or several pages on one sheet. Turn a document gray. • Compress: Reduce file size with adjustable compression, choose a target size, or keep every detail with lossless Optimize. Run it on several files at once. • Extract and read: Use OCR to copy text or export it as TXT or Word, or make scanned documents searchable. Listen to a page sentence by sentence with your device's voices. Translate the text of a page on your device (requires iOS 18 or later). • Protect and finish: Add text or image watermarks. Add password protection, change passwords, unlock files when you know the current password, and set document access permissions. Redact sensitive content permanently, or let Smart Redaction find personal details for you. Flatten annotations and forms, and edit or remove document metadata. • Trust: Compare two versions and review text and visual differences. Inspect a file to see what is inside and what is risky. Sign with a certificate and check who signed a document. Pull out attached files. Try to recover pages and content from damaged PDFs. • Workflows: Chain tools and run them on many files at once. One free credit is included. PDFWelder PRO includes unlimited use. Privacy Policy: https://pdfwelderios.netlify.app/privacy-policy.html Terms of Use: https://pdfwelderios.netlify.app/terms-conditions.html

Screenshots

File Compressor4 screens
PDFWelder4 screens

Verdict

The call

The clearest difference is ads: PDFWelder at none against File Compressor's shown. PDFWelder also leads on update cadence (every 2 months vs every 23 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. File Compressor sells 5 in-app purchases, starting at $0.99 per 7 days and PDFWelder sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

File Compressor ships an update every 23 months, PDFWelder every 2 months. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 7 level
File Compressor versus PDFWelder: the parameters behind the verdict, then further details
ParameterFile CompressorPDFWelder
PriceFreeFree
Rating5.0 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyEvery 23 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size16 MB50 MB
Age rating4+4+
DeveloperAndy SutantoYACINE EL HADDAD

In-app purchases

5 purchases

File Compressor

Subscriptions3
  • File Compressor Pro$0.997 Days
  • File Compressor Pro - 1M$1.991 Month
  • File Compressor Pro$9.991 Year
One-time2
  • File Compressor Pro$19.99
  • Offering for New Users$19.99
2 purchases

PDFWelder

Subscriptions2
  • Pro Weekly$6.997 Days
  • Pro Annual$39.991 Year

Questions

Is File Compressor free?
File Compressor is free to download, with in-app purchases available.
Is PDFWelder free?
PDFWelder is free to download, with in-app purchases available.
Do File Compressor or PDFWelder have ads?
File Compressor shows ads; PDFWelder does not.
Which is updated more often, File Compressor or PDFWelder?
File Compressor ships an update every 23 months, and PDFWelder every 2 months. Most recently, File Compressor was updated on October 22, 2026 and PDFWelder on October 20, 2026.

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