Comparison

PDF Converter Offline,Private vs Simple PDF Compressor

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

Head to head
About

PDF Converter Offline,Private

Easily convert images and photos into PDF documents directly on your device. Scan paper documents, receipts, notes, and more with your camera, then save them as high-quality PDFs. Supports multiple image formats and allows merging several images into a single file, all while ensuring your data remains private.

Highlights
  • Convert images to PDF
  • Scan documents with camera
  • Merge multiple images into one PDF
  • High-resolution PDF output
  • Offline processing for privacy
  • Supports JPG, JPEG, PNG, GIF
Read full description

Simple & Free! Scan images or photos with your camera and convert them to PDF This simple and intuitive app allows you to easily convert images and photos on your smartphone to PDF format. Whether you're managing business documents, academic work, or everyday tasks, this app simplifies organizing and sharing your files. With the app, you can quickly digitize paper documents, notes, receipts, and even whiteboard notes, saving them as PDF files. You can also select multiple images at once and merge them into a single PDF file. Key Features * Convert images and photos to PDF for free: Enjoy all features without charge. Effortlessly convert images, photos, and screenshots into PDF format, making file management easier. This feature helps prevent your storage from getting overloaded with image files. * Supports various file formats: The app supports multiple image formats such as JPG to PDF, JPEG to PDF, PNG to PDF, GIF to PDF, and more. * Scan paper documents with your camera: Take a photo of a document with your phone and instantly convert it to a PDF. Whether it's class notes, work reports, contracts, letters, magazine clippings, receipts, or invoices—digitize any paper document and save it as a PDF. Scanned PDFs are saved in high quality, and can easily be emailed or uploaded to cloud storage. * Convert multiple images into a single PDF: Select multiple images and save them as one PDF. Whether it’s a photo album from a graduation ceremony, memories from a family vacation, or important work materials, this feature makes it easier to manage and share large numbers of images. * High-resolution PDF output: Scanned images and photos are saved as high-quality PDF files. Documents with small text or detailed images are preserved clearly, so you can review them anytime without worry. * Privacy protection: This app processes everything locally on your device, ensuring that no data is transmitted to external servers. You can safely digitize sensitive documents, knowing that your information stays private. Use Cases * Business-friendly: Convert contracts, invoices, receipts, business cards, and more to PDF effortlessly. This app promotes a paperless workflow, making it easier to organize and share documents. Even when on business trips or in meetings, you can quickly scan and digitize paper materials to share with your team. * Ideal for students: Convert important textbook pages or class notes into PDFs for easy access on your smartphone or tablet. This paperless approach makes studying more efficient, and it’s also perfect for group projects or presentation materials. * Preserve travel memories digitally: Convert photos or travel tickets into PDFs to store memories. Sharing them with friends or family becomes more convenient, and organizing them digitally helps save space, turning them into a lasting digital album. * Digitize important documents: During house moves or spring cleaning, scan insurance policies, important contracts, and other key documents into PDFs. This way, you can save physical storage space while keeping critical documents securely managed. User-Friendly Design * Ease of use: Designed with simplicity in mind, even beginners can use this app without hassle. Just open the app, tap a few times, and your PDF is ready. With its intuitive operation, anyone can start using the app right away. Download Now! Whether you need this app for business, study, or everyday life, it’s available for anyone to download and use for free. Start digitizing your paper documents today and enjoy a more efficient and organized life!

About

Simple PDF Compressor

Easily reduce the size of PDF files or combine multiple documents into a single PDF. Offers three compression levels and allows reordering files before merging. Processed documents can be shared or saved directly to your device.

Highlights
  • Reduce PDF file size
  • Merge multiple PDFs
  • Three compression strengths
  • Reorder files before merging
  • Preview before processing
  • On-device processing
Features
Read full description

Simple and easy PDF compressor & merger. Just select PDFs from the Files app to reduce file size, merge multiple PDFs into one, or merge and compress in one go. Choose from three compression strengths (Light / Balanced / Strong) to fit your use case. Export is seamless—share the processed PDF or save it back to Files, so you can finish sending or submitting documents quickly. ●Key Features 【Create results in seconds】 ・Pick multiple PDFs from Files ・Review selected PDFs in a clean list ・Reorder files by drag & drop before merging 【Compress PDFs to reduce size】 ・Compress each PDF individually ・Choose 3 levels: Light / Balanced / Strong ・Great for image-heavy PDFs (scans, photos, documents with screenshots) 【Merge PDFs into one file】 ・Combine multiple PDFs into a single PDF ・Reorder files before merging ・Perfect for submissions, applications, and archiving 【Merge + Compress】 ・Merge PDFs first, then compress the final file ・Ideal when you want one smaller PDF to share 【Preview before processing】 ・Quick Look preview to confirm the content ・Helpful when thumbnails and filenames aren’t enough 【Easy export】 ・Share via AirDrop, Mail, messaging apps, and more ・Save to Files (iCloud Drive, On My iPhone/iPad, etc.) 【On-device processing】 ・No account required—ready to use right away ・Processing is designed to stay on your device ●Notes ・Text-only PDFs are often already small, so compression may not reduce the size much. ・PDFs with lots of images (scans/photos) usually see the biggest size reduction. For submitting, sharing, or organizing PDFs—compress and merge quickly with a simple, modern workflow.

Screenshots

PDF Converter Offline,Private1 screens
Simple PDF Compressor4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Converter Offline,Private at none against Simple PDF Compressor's 1. PDF Converter Offline,Private also leads on review sentiment (70% vs 50%) and iOS requirement (15.0 vs 17.6). On price, update cadence, ads and monetization model 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. Simple PDF Compressor sells 1 one-off in-app purchase. PDF Converter Offline,Private asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Converter Offline,Private ships an update every 3 months, Simple PDF Compressor every 2 months. Both last shipped on October 25, 2026.

Scorecard3 real differences · 7 level
PDF Converter Offline,Private versus Simple PDF Compressor: the parameters behind the verdict, then further details
ParameterPDF Converter Offline,PrivateSimple PDF Compressor
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews69.6% of reviews — better50.0% of reviews
Number of ratings3 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size63 MB11 MB
Age rating4+4+
DeveloperRyunosuke NagaseMITSUKO MARGOT KUBOTA ONO

Customer experience

PDF Converter Offline,Private

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews23 reviews
Positive69.6%
Neutral13.0%
Negative17.4%

Simple PDF Compressor

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

PDF Converter Offline,Private

No in-app purchases

1 purchases

Simple PDF Compressor

One-time1
  • Remove Ads$4.99

Questions

Is PDF Converter Offline,Private free?
PDF Converter Offline,Private is free to download, with no in-app purchases.
Is Simple PDF Compressor free?
Simple PDF Compressor is free to download, with in-app purchases available.
Do PDF Converter Offline,Private or Simple PDF Compressor have ads?
Both PDF Converter Offline,Private and Simple PDF Compressor show ads.
Which is updated more often, PDF Converter Offline,Private or Simple PDF Compressor?
PDF Converter Offline,Private ships an update every 3 months, and Simple PDF Compressor every 2 months. Most recently, PDF Converter Offline,Private was updated on October 25, 2026 and Simple PDF Compressor on October 25, 2026.

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