evPDF vs OpenDoc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
evPDF
This comprehensive PDF toolkit offers 16 essential functions for managing your documents on mobile devices. It allows for reading, scanning, organizing, annotating, converting, and signing PDFs, all while prioritizing user privacy by processing data locally.
- PDF Reader with search and navigation
- Document scanner with OCR
- PDF organizer (reorder, remove, rotate pages)
- Merge and split PDF files
- Compress PDF size
- Convert images and text to PDF
- Annotate PDFs with text and images
- Convert Word and Excel to PDF
- Sign and watermark PDFs
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Meet evPDF, a private 16-in-1 PDF toolkit for reading, scanning, creating, organizing, annotating and converting documents on your phone or tablet. Your documents are processed directly on your device. PDF content, OCR text, search queries and passwords are not uploaded to our servers. 16 PDF TOOLS IN ONE APP 1. PDF READER Open and read PDF files with smooth navigation, zoom, page thumbnails and quick page selection. • Search text inside compatible PDF documents • Open password-protected PDF files • Print and share documents • Navigate quickly between pages 2. ORGANIZE PDF • Reorder individual pages • Remove unnecessary pages • Rotate selected pages 3. MERGE PDF Combine multiple PDF documents into one file and arrange them in the order you need. 4. SPLIT PDF Extract selected pages or divide a document into separate PDF files. 5. COMPRESS PDF Reduce PDF file size using selectable quality levels. 6. IMAGES TO PDF Turn photos and images into a PDF document. 7. PDF TO IMAGES Export PDF pages as image files. 8. TEXT TO PDF Create formatted PDF documents with: • Headings and paragraphs • Bold, italic and underlined text • Bulleted and numbered lists • Text alignment • Fonts and colors • Adjustable text size and line spacing • Images 9. DOCUMENT SCANNER Scan multi-page documents with automatic edge detection, cropping and correction. You can also create scanned PDFs from images in your gallery. 10. ROTATE PDF Rotate every page in a PDF by 90, 180 or 270 degrees. 11. ANNOTATE PDF Add new visual elements over PDF pages: • Text • Images • Arrows • Lines • Rectangles • Ellipses Move, resize and rotate added elements directly on the page. Format added text with different fonts, sizes, colors, alignment and backgrounds. Annotations are added as a new visual layer and do not modify the original text inside the source PDF. 12. OCR SCANNER Recognize text from scanned documents and images directly on your device. • Edit recognized text • Copy text to the clipboard • Share extracted text through other apps 13. DOCX TO PDF Convert Word documents to PDF with configurable settings: • A4 or Letter page size • Portrait or landscape orientation • Adjustable margins • Configurable text size • Image scaling options 14. XLSX TO PDF Convert Excel spreadsheets to PDF. • Convert the first sheet or all sheets • Choose page size and orientation • Adjust margins and text size • Fit spreadsheets to page width • Repeat the first row as a header • Preserve supported cell colors, borders and formatting • Use workbook print areas when available 15. SIGN PDF Draw your signature and place it on selected PDF pages. • Move the signature directly on the page • Resize it while preserving proportions • Add it only to the pages you choose 16. WATERMARK AND PROTECT PDF Add a text or image watermark with adjustable: • Position • Size • Rotation angle • Transparency Protect PDF documents with a password to prevent unauthorized opening. FILE MANAGEMENT Keep your documents in the local evPDF library. • Access recent files • Add documents to favorites • Search by file name • Rename documents • Delete documents • Import files from your device • Use saved PDFs in other tools without importing them again PRIVATE ON-DEVICE PROCESSING Your documents are processed directly on your device. evPDF does not upload the following data to our servers: • PDF content • OCR text • File names and paths • Search queries • Document passwords No account or cloud upload is required for document processing. FREE AND PREMIUM PDF reading and file management are unlimited. The free version includes daily access to PDF tools. evPDF Premium removes daily limits across the complete toolkit. Use evPDF for work, study, forms, receipts, contracts, notes, reports and everyday document tasks, all in one private PDF app. Privacy Policy: https://evsi.store/en/app/evpdf/privacy Terms of Use: https://evsi.store/en/app/evpdf/terms
OpenDoc
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OpenDoc-Scanner turns your iPhone into a fast, private document scanner and PDF toolkit. Scan receipts, contracts, notes, IDs, forms, books, and multi-page documents in seconds. OpenDoc automatically detects document edges, straightens perspective, enhances readability, and helps you turn paper into clean digital files without unnecessary complexity. Built for people who just want to scan and get things done. Why OpenDoc-Scanner? • No ads • No watermarks • No account required • No subscription required to start scanning • No unnecessary cloud dependency • Your documents stay on your device • Fast, clean, mobile-first experience • Works offline for core document workflows Scan documents quickly Capture single pages or large multi-page documents with a streamlined scanning experience designed to stay fast even when working with longer files. OpenDoc can automatically detect documents, crop edges, correct perspective, and improve readability so your scans look clean and professional. Edit and improve your scans Fine-tune your documents before saving or sharing. • Crop and straighten pages • Rotate pages • Reorder pages • Delete or duplicate pages • Add additional scans or images • Apply document, grayscale, and black & white enhancements • Keep your original pages preserved while editing Create and manage PDFs Turn scanned pages and images into high-quality PDF documents. • Create multi-page PDFs • Merge documents • Split and extract pages • Reorganize pages • Export as PDF or images • Choose quality options when exporting • Import supported PDF files and images Recognize and search text Use on-device OCR to recognize text inside scanned documents. • Extract text from scans • Copy recognized text • Search inside your documents • Find documents using names, metadata, and recognized content Organize everything Keep your document library clean without making the app complicated. • Rename documents • Create folders • Add favorites • Use tags • Search your library • Manage larger document collections easily Quick document editing Make small changes without needing a full desktop PDF editor. Add: • Text • Images • Signatures • Dates • Checkmarks • Drawings • Highlights Useful scanning tools OpenDoc also includes workflows for tasks such as: • ID card scanning • Batch scanning • Large multi-page scanning • Image-to-PDF workflows • Document enhancement Private by design OpenDoc-Scanner is built around a local-first approach. Your core scanning, OCR, editing, organization, and PDF workflows are designed to work directly on your device. There is no requirement to create an account just to scan your documents, and OpenDoc does not add ads or watermarks to your files. Whether you need to scan a receipt, digitize paperwork, send a signed PDF, archive important documents, extract text, or manage a large document, OpenDoc-Scanner keeps the process simple: Scan. Clean. Save. Share. No clutter. No ads. No watermarks. Just your documents.
Screenshots
Verdict
The clearest difference is in-app purchases: OpenDoc at none against evPDF's 2. evPDF's advantage is device support (3 vs 1). On price, ads 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. evPDF sells 2 in-app purchases, starting at $3.99 per month. OpenDoc asks for nothing beyond the download.
| Parameter | evPDF | OpenDoc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.5 — better | 16.4 |
| Further details — not scored | ||
| Size | 51 MB | 59 MB |
| Age rating | +4 | 4+ |
| Developer | Evgenii Evsiukov | Kareem Samir |
In-app purchases
evPDF
- PRO Monthly$3.991 Month
- PRO Annual$24.991 Year
OpenDoc
No in-app purchases









