Comparison

Compress PDF vs LightDocs Compress PDF, Photos

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

Head to head
About

Compress PDF

Easily compress PDF files to reduce size without quality loss. This tool also allows scanning documents, merging PDFs, editing pages, and adding e-signatures. Optimize your documents for sharing and storage with a comprehensive offline PDF toolkit.

Highlights
  • Compress PDF files
  • Scan documents to PDF
  • Merge multiple PDF files
  • Edit PDF pages
  • Add e-signatures
  • Extract text with OCR
  • Protect PDFs with watermarks
Features
Read full description

Compress PDF: Reduce File Size – PDF Scanner, Editor & Converter Need to compress a PDF, reduce file size, scan documents or merge files? Compress PDF: Reduce File Size gives you powerful PDF tools to manage documents quickly and easily from your iPhone or iPad. Reduce large PDF files for easier sharing, convert photos into PDF documents, combine multiple files, sign documents and organize PDF pages — all in one convenient app. COMPRESS PDF FILES AND SAVE SPACE Make large PDF documents smaller and easier to share. Choose your preferred compression quality to balance file size and document clarity. • Reduce PDF file size • Choose high, medium or low compression quality • Save compressed PDF documents • Share smaller files more easily SCAN DOCUMENTS TO PDF Turn paper documents and photos into digital PDF files. Create organized documents for school, work and everyday use. • Scan documents to PDF • Convert photos and images to PDF • Rotate, crop and adjust images • Create professional PDF documents from pictures MERGE PDF FILES Combine multiple PDF documents into a single file in just a few steps. Keep invoices, reports, study notes and other documents organized in one place. • Merge multiple PDF files • Create a single PDF from several documents • Organize your documents more efficiently EDIT AND ORGANIZE PDF PAGES Take control of your PDF documents with useful page management tools. • Remove unwanted PDF pages • Extract images from PDF files • Add page numbers • Convert PDF pages into images • Convert PDF documents into text SIGN AND PROTECT PDF DOCUMENTS Prepare documents for sharing, signing and storage with built-in PDF tools. • Add an electronic signature by drawing or typing • Add custom text watermarks • Lock PDF files with a password • Unlock password-protected PDFs when you have the required password CONVERT IMAGES AND TEXT Work with different document formats using convenient conversion tools. • Image to PDF converter • Photo to PDF with image adjustments • PDF to image converter • PDF to text conversion • Text to PDF conversion • OCR text recognition to extract text from supported images and scanned documents BONUS PHOTO EDITING TOOLS Prepare your images before adding them to a PDF. • Crop, rotate and resize photos • Apply filters and blur effects • Add text overlays and stickers • Draw and write on images WHO CAN USE THIS PDF TOOLKIT? • Students managing assignments, notes and study materials • Professionals preparing reports, invoices and business documents • Freelancers sharing documents with clients • Anyone who needs to compress, scan, convert, sign or organize PDFs YOUR DOCUMENTS, YOUR WORKFLOW Manage everyday PDF tasks with a collection of practical tools in one place. Spend less time organizing files and make documents easier to prepare and share. If the app's features are available entirely on-device, you can also highlight offline use and local document processing. Download Compress PDF: Reduce File Size and simplify your everyday PDF tasks. Subscription Information The app offers weekly and monthly auto-renewing subscriptions, along with a one-time purchase option where available. Payment is charged to your Apple Account upon confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the current period ends. You can manage or cancel subscriptions in your Apple Account settings. Any unused portion of a free trial, if offered, may be forfeited when purchasing a subscription, where applicable. Privacy Policy: https://sites.google.com/view/developer-info/privacy-policy Terms of Use: https://sites.google.com/view/developer-info/terms-of-use

About

LightDocs Compress PDF, Photos

Features
Read full description

LightDocs helps you shrink PDFs and photos for WhatsApp, Messenger and email. Fast, private, on your iPhone or iPad. WHY LIGHTDOCS • Compress photos and PDFs (WhatsApp, Email or Max quality) • Convert images to PDF and PDF to images, merge and split PDFs • Crop and rotate before you shrink • Native fullscreen PDF reader (zoom, search, share) • Recents and favorites. Everything stays on device • No account required PREMIUM • One-time purchase to remove ads forever • Free version includes light AdMob ads GREAT FOR • Sending a lighter PDF or photo on WhatsApp • Combining photos into one PDF • Opening and sharing documents without the cloud Privacy: processing stays on your device. Details: https://lightdocs.pikscan.com/en/privacy/ LightDocs by PikScan

Screenshots

Compress PDF4 screens
LightDocs Compress PDF, Photos4 screens

Verdict

The call

The clearest difference is iOS requirement: LightDocs Compress PDF, Photos at 15.5 against Compress PDF's 17.6. On price, update cadence, ads and in-app purchases 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. Compress PDF sells 3 in-app purchases, starting at $2.99 per 7 days and LightDocs Compress PDF, Photos sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Compress PDF ships an update every 6 weeks, LightDocs Compress PDF, Photos every 5 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 9 level
Compress PDF versus LightDocs Compress PDF, Photos: the parameters behind the verdict, then further details
ParameterCompress PDFLightDocs Compress PDF, Photos
PriceFreeFree
Rating4.8 (6 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings6 — better—
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.5 — better
Further details — not scored
Size49 MB79 MB
Age rating4+12+
DeveloperRahul AlagiyaEL AANOUNI Lahoussaine

In-app purchases

3 purchases

Compress PDF

Subscriptions2
  • Weekly Subscription$2.997 Days
  • Monthly Subscription$4.991 Month
One-time1
  • Convert Images To PDF$14.99
1 purchases

LightDocs Compress PDF, Photos

One-time1
  • LightDocs Premium$4.99

Questions

Is Compress PDF free?
Compress PDF is free to download, with in-app purchases available.
Is LightDocs Compress PDF, Photos free?
LightDocs Compress PDF, Photos is free to download, with in-app purchases available.
Do Compress PDF or LightDocs Compress PDF, Photos have ads?
Both Compress PDF and LightDocs Compress PDF, Photos show ads.
Which is updated more often, Compress PDF or LightDocs Compress PDF, Photos?
Compress PDF ships an update every 6 weeks, and LightDocs Compress PDF, Photos every 5 weeks. Most recently, Compress PDF was updated on October 24, 2026 and LightDocs Compress PDF, Photos on October 8, 2026.

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