PDF Reader vs SoloWatermark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
This app provides a privacy-focused way to view, organize, and manage PDF files on your device. It offers tools for merging, splitting, securing documents, and converting images to PDF, all processed locally for enhanced data safety.
- View and organize PDF files
- Merge and split PDFs
- Secure documents with passwords
- Convert images to PDF
- Built-in document scanner
- Local data processing for privacy
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PDF Reader - Viewer is a privacy-focused PDF document management tool designed to help you easily view, organize, and manage your PDF files on iPhone and iPad. With useful PDF tools such as merging, splitting, and password protection, it provides a simple and convenient solution for managing your documents. All processing is performed locally on your device, helping keep your documents private and secure. Privacy Matters Your privacy comes first. - Your PDF document files stay locally on your device - All processing is performed locally - Your documents do not need to be uploaded to external servers - Keep your files private while managing them securely PDF Management - Easily manage and organize your PDF files. Scan your device and list all available PDF files - Merge multiple PDF files into one - Split large PDF files into smaller documents - Add passwords to protect sensitive files - Remove passwords from unlocked PDF files - Conversion & Creation - Convenient tools for creating and converting PDF documents. Convert images to PDF quickly - Use the built-in document scanner to scan documents and save them as PDF files - Enjoy a smooth reading experience with multiple viewing modes - File Organization & PDF Reader - Keep your documents organized and easy to access. Quickly access recently opened files - Add important documents to Favorites - Rename files - Delete unwanted files - Share documents - Print files Simple and Powerful Whether you're a student, professional, or anyone who needs a simple yet powerful document management app, PDF Reader - Viewer makes it easy to manage your files and documents. With all processing performed locally on your device, you can enjoy a secure and private PDF reading and document management experience. Download Now - Download PDF Reader - Viewer today for a simple, secure, and convenient way to read, organize, and manage your PDF files.
SoloWatermark
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SoloWatermark lets you add watermarks to photos on your iPhone. Built around the idea “your signature on your photos,” you can place text or images on a selected photo, adjust position, size, and opacity, then save straight to your photo library. FREE FEATURES • Text watermarks Enter any text and adjust font and opacity to overlay it on your photos. SOLOWATERMARK PRO FEATURES • Image watermarks Overlay transparent PNGs or background-removed images as watermarks. • Zoom-style tiled watermarks Repeat your watermark across the entire photo. • Markup Draw freely on photos (iOS). • QR code watermarks Embed a URL as a QR code on your photo. • Background removal Extract the subject and save as a transparent PNG (processed on-device). WHO IT’S FOR • Anyone who wants credits or signatures before posting to social media • Sellers and creators watermarking listing or portfolio photos • People looking for a simple, ready-to-use watermark app PRIVACY Photo selection, editing, and saving all happen on your device. We do not upload your photos to developer servers. ABOUT SOLOWATERMARK PRO SoloWatermark Pro is an auto-renewing subscription. Subscribing unlocks all Pro features listed above. Pricing is shown on the purchase screen. • Payment is charged to your Apple ID account • Subscription renews automatically unless canceled at least 24 hours before the end of the current period • Renewal charges are billed within 24 hours before the end of the current period unless canceled in Account Settings • Manage or cancel anytime in App Store account settings after purchase • Any unused portion of a free trial may be forfeited when you purchase a subscription Terms of Service and Privacy Policy are available in the app Settings. • Terms of Service: https://pacific-sandalwood-6de.notion.site/397a1df91a07803da4eadc7142b45b1c • Privacy Policy: https://pacific-sandalwood-6de.notion.site/de0f01e36f5d4d2ebaeed98414a568aa
Screenshots
Verdict
The clearest difference is in-app purchases: PDF Reader at none against SoloWatermark's 2. SoloWatermark's advantage is ads (none vs shown). On price, update cadence, 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
Both are free to download. SoloWatermark sells 2 in-app purchases, starting at $1.99 per month. PDF Reader asks for nothing beyond the download.
PDF Reader ships an update every 6 days, SoloWatermark weekly. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.
| Parameter | PDF Reader | SoloWatermark |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (64 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 64 — better | — |
| Update frequency | Every 6 days — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 16 — better | 16.4 |
| Further details — not scored | ||
| Size | 116 MB | 74 MB |
| Age rating | 17+ | 4+ |
| Developer | All About Housing LLC | JUNICHI HASHIMOTO |
In-app purchases
PDF Reader
No in-app purchases
SoloWatermark
- Premium Membership$1.991 Month
- Premium Plan 1 Year7 Days trial$11.991 Year









