PDF Highlighter vs Similar Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Highlighter
Easily edit and highlight text, photos, and documents directly on your phone. This app provides realistic highlighting tools and drawing functions to mark important sections of PDFs and images, allowing you to save and share your annotated files.
- Edit and highlight PDF files and photos
- Use realistic highlighter pen tool
- Freehand drawing with pen, line, arrow, rectangle, and circle tools
- Change drawing tool colors and sizes
- Zoom in/out PDF pages
- Export highlighted PDFs and photos
- Add, delete, or edit PDF pages
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PDF Highlighter, Now easy to highlight important text, add notes, and annotate PDFs with ease. Customize documents using text, signatures, arrows, circles, lines, and colorful markup tools. Draw, edit, and organize your files with professional annotation features designed for work, study, and everyday productivity. Turn any PDF into an interactive and editable document in just a few taps. Easy to read & convert all image formats into PDF files with password security. The complete PDF toolkit for reading, editing, scanning, converting, and managing documents on your iPhone and iPad. Whether you're reviewing contracts, studying notes, filling forms, highlighting important sections, or creating PDFs from photos, PDF Highlighter - Read & Edit gives you everything you need in one powerful and easy-to-use app. Designed for students, professionals, teachers, business users, and anyone who works with documents every day. Now here you can edit PDF files and highlight the important and hide confidential text in PDF files easily. This will help you for protecting your privacy and ensuring confidential information stays hidden. Whether you need to redact personal details from a PDF files or colorise important information in PDF files. ** Key Features - Powerful PDF Editor • Edit and annotate existing PDF documents • Add images to PDF pages or scan to generate PDF files • Save changes as a new copy or replace the original file • Create professional documents on the go - Advanced PDF Highlighter & Annotation Tools • Highlight important text with multiple colors • Add notes and comments • Draw directly on PDF pages • Add custom text anywhere in the document • Insert signatures and initials • Undo and redo changes instantly - Smart PDF Reader • Open and read PDF files quickly • Smooth scrolling and fast page navigation • Search text inside PDFs • Jump directly to any page • Zoom in and out with ease • Recent files for quick access • Open PDF files from other apps • List and Grid view modes • Organize files by folders - Professional Markup Tools • Pen and freehand drawing tools • Multiple pen styles and colors • Adjustable font styles and sizes • Arrow tool • Line tool • Circle and filled circle tools • Shape drawing support • Precision editing with zoom controls • Blur or hide important text information - Scan to PDF • Scan documents using your camera • Create high-quality PDFs from images • Automatic document detection • Save scans in portrait or landscape mode • Perfect for receipts, notes, contracts, invoices, and forms - Image to PDF Converter • Convert photos into PDF documents • Combine multiple images into a single PDF • Rearrange pages before creating PDF • Create professional PDF files in seconds - PDF Conversion Tools • PDF to Word • Word to PDF • Image to PDF • Scan to PDF • PDF to ZIP • Fast and reliable document conversion - PDF Management Tools • Merge multiple PDF files • Compress PDF files to reduce size • Batch compress multiple PDFs • Organize and manage documents easily • Rename, move, and share files - Privacy & Security • Lock PDF files with passwords • Protect sensitive documents • Secure file management • Keep your important files private - Save & Share Anywhere • Export and share PDFs instantly • Share files via email, messaging apps, and more • Print PDF documents directly from your device - Why Choose PDF Highlighter - Read & Edit? • Fast and lightweight • Professional PDF editing tools • Powerful highlighter and annotation features • Complete document management solution • Easy-to-use interface • Perfect for work, study, business, and personal use Download now and take full control of your PDF documents anytime, anywhere. Privacy Policy: https://shadowphotovideoeditorzoneappspolicy.blogspot.com/2024/02/shadow-photo-video-editor-zone-privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Similar Plus
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Secure offline PDF, Docx, Xlsx, Pptx & Text Compare, Export with Advanced Clipboard Management - Ad-Free Google's Gemini AI as a collaborative assistant. Similar Plus offers robust local file comparison, powerful multi-clipboard storage, and easy text editing, all while keeping your documents securely on your device – no internet uploads required. UNRIVALED OFFLINE DOCUMENT PROCESSING Similar Plus turns your device into a powerful, secure analysis tool. •Deep PDF & Office Extraction: Go beyond simple text. Our built-in engine locally extracts content from PDF, Word, Excel, and PowerPoint files. Your documents are never uploaded. •Fast, Private, & Secure: By processing everything offline, we guarantee your sensitive data remains on your device. It's the perfect solution for confidential work. •AI & RAG Optimized: The extracted text is clean and well-structured, making it ideal for use with AI models to build powerful, accurate Retrieval-Augmented Generation (RAG) engines. Key Features: * Compare Files & Clipboard: Analyze differences between two PDFs, text files, or pasted clipboard content. * Side-by-Side Visual Comparison: View differences clearly and sync scrolling to identical content sections. * Secure Offline PDF Processing: Our built-in PDF processor extracts text locally on your device. * Convert PDF to Text: Easily save PDF content as editable text files. * Convert Office Document (Word, Excel, PowerPoint) to Text: Easily save content as editable text files. * Advanced Multi-Clipboard: * Store up to 30 persistent clipboard entries. * Easily save, edit, shortcuts, assign and load clipboard data. Improvement: * Support PDF 1.3 to 2.0 and multi-character sets. Performance may vary with other PDF versions or complex layouts/languages. * We are committed to improving Similar Plus! Please contact us via (support@thinkwider.co) if you encounter any issues or have suggestions. We apologize for any inconvenience these limitations may cause and appreciate your understanding. Terms of Use: [Standard Apple Terms of Use (EULA)] https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: PDF Highlighter at Free against Similar Plus's $149.99. Similar Plus's advantage is in-app purchases (none vs 3) and update cadence (every 11 days vs every 95 months). On ads and device support 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
PDF Highlighter is free to download; Similar Plus costs $149.99 up front. PDF Highlighter sells 3 in-app purchases, starting at $2.99 per 7 days. Similar Plus asks for nothing beyond the download.
PDF Highlighter ships an update every 95 months, Similar Plus every 11 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | PDF Highlighter | Similar Plus |
|---|---|---|
| Price | Free — better | $149.99 |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 95 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Jaydeep Dhameliya | Thinkwider CO., LTD. |
In-app purchases
PDF Highlighter
- PDF Highlighter Purchase Week$2.997 Days
- PDF Highlighter Purchase Month$9.991 Month
- PDF Highlighter Purchase Year$110.991 Year
Similar Plus
No in-app purchases
Questions
Is PDF Highlighter free?
Is Similar Plus free?
Do PDF Highlighter or Similar Plus have ads?
Which is updated more often, PDF Highlighter or Similar Plus?
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