Image to PDF vs OpenViewer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Image to PDF
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Image to PDF β PDF Maker (FREE) Image to PDF β PDF Maker is a fast, easy and free app that helps you convert images to PDF, scan documents, compress PDFs and protect files with passwords β all directly on your iPhone. Convert JPG to PDF, PNG to PDF, JPEG to PDF, or scan documents using your camera and create professional PDF files anytime, anywhere. Convert Images to PDF Convert photos to PDF, image to PDF, jpg to pdf Import images from Photos or scan documents Perfect for receipts, invoices, notes, certificates, ID cards and more This powerful image to pdf converter makes PDF creation simple and quick. PDF Scanner & Document Scanner Turn your iPhone into a PDF scanner and document scanner. Scan documents to PDF using camera Works offline β no internet required Your files stay on your device A secure and reliable pdf scanner free app. Edit & Optimize PDF Files Crop, resize and rotate images before converting Compress PDF files to reduce file size Choose image quality: low, medium, high or original Merge multiple images into one PDF file Ideal for users looking for a free pdf editor and pdf maker free app. Protect & Share PDFs Add password protection to PDFs Encrypt sensitive documents Share PDFs via Mail, Messages, AirDrop and other apps Smart PDF File Management Auto-sort PDFs by name, size or date Manual sorting supported Quick search to find files instantly Why Choose Image to PDF β PDF Maker? Image to PDF converter PDF scanner & document scanner JPG to PDF converter Compress PDF files Password-protected PDFs Works offline Simple, fast and free Free PDF Converter for iPhone All features are 100% FREE with no limits. Convert photos to PDF, scan documents to PDF, and manage files easily. Download Image to PDF β PDF Maker and simplify your PDF tasks today.
OpenViewer
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OpenViewer is a lightweight viewer for all standard document formats. [Supported formats] PDF Β· HWP Β· DOCX Β· XLSX Β· PPTX Β· EPUB Β· TXT Β· Images [Key features] β’ Fast launch β’ Dark mode β’ Recent files + favorites β’ 100% on-device processing β’ Native HWP support for Korean documents [Why OpenViewer?] - No in-app purchases - No account required - Ad-supported (no ads inside viewer) - English, Korean, Japanese UI Contact: wowpia0127@gmail.com
Screenshots
Verdict
Image to PDF and OpenViewer are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Image to PDF ships an update every 5 weeks, OpenViewer every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Image to PDF | OpenViewer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks β better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.6 | 15.1 β better |
| Further details β not scored | ||
| Size | 74 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | HUBRION LIMITED | BongJun Park |
In-app purchases
Image to PDF
No in-app purchases
OpenViewer
No in-app purchases
Questions
Is Image to PDF free?
Is OpenViewer free?
Do Image to PDF or OpenViewer have ads?
Which is updated more often, Image to PDF or OpenViewer?
Other comparisons
