DocLens Pro vs JianBox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DocLens Pro
This app provides a comprehensive suite of tools for managing documents on mobile devices. It allows users to scan, convert, sign, protect, and organize various file types, streamlining workflows for professionals and students alike.
- Advanced document scanning with auto-detection and correction
- Comprehensive PDF reader with annotation and search
- Versatile file conversion to and from PDF, Word, Excel, and images
- Digital signature creation and application
- Robust security features including password and biometric protection
- Efficient document organization with folders and swipe actions
- OCR text extraction and translation capabilities
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Turn paper into PDF and keep your documents ready for what comes next. DocLens brings scanning, file conversion, reading and signatures into one workspace on iPhone and iPad. SCAN AND IMPORT Capture documents with the camera, adjust the crop and apply scan filters. Import images or files from Photos and Files. Recognize text in scanned documents and images with OCR. CONVERT WITH PURPOSE Combine images into a PDF or export PDF pages as JPG images. Use Premium tools to create Word documents from text, Excel spreadsheets from table data and PowerPoint slides from PDF pages. KEEP YOUR LIBRARY IN ORDER Organize documents in folders, search your library and work with multiple files. Keep contracts, receipts, notes and personal documents within reach. READ, EDIT AND SIGN Read PDFs with page previews. Organize pages, add markup and create signatures by drawing, typing or importing an image. Review the placement before saving. SAVE AND SHARE Export documents, save them to Files or use the system share sheet. Protect supported documents and create password-protected PDF exports. BUILT FOR YOUR DEVICE Core document processing and OCR run on your device. The interface supports US English and Brazilian Portuguese, with layouts designed for iPhone and iPad. Some advanced tools require DocLens Premium. Lifetime access is available through a one-time in-app purchase, with purchase restoration supported.
JianBox
This app offers a comprehensive suite of tools for document management, file organization, and media processing, all while ensuring 100% local processing for maximum privacy. It scans, edits, converts, and secures your files without requiring any cloud uploads or account logins.
- 100% Offline processing
- Document scanning and PDF editing
- File unarchiving and compression
- Private vault with encryption
- Batch file renaming
- Video and audio toolkit
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JianBox = Document Scanner + PDF Editor + File Unarchiver + Private Vault, all in one. 100% Local Processing. Your files never leave your device. One app, twelve capabilities, zero cloud uploads, zero account login required. Scan documents, convert formats, edit PDFs, extract archives, free up storage, encrypt files—everything happens offline on your iPhone and iPad. Documents & Scanning 【Camera Scanner】 Snap photos or import from album. Auto edge detection, enhancement, multi-page scanning, export as PDF. Contracts, receipts, notes, IDs—turn them into high-quality PDFs instantly. 【Image to PDF】 Select multiple images and merge them into a single PDF. Custom page sizes (A4/Letter), watermark support. Fully offline. 【PDF Editor】 Reorder, rotate, delete, or extract PDF pages with simple drag-and-drop gestures. 【PDF Verifier】 Professional PDF inspection tool: page consistency check, blank page detection, metadata viewer, SHA-256 hash verification. Auto-generates verification reports for compliance scenarios. 【Signature Tool】 Place personal signatures or company stamps on PDFs. Drag-and-drop positioning, resize, rotate, batch signing across multiple files. Final step for contract approval and formal delivery. Files & Compression 【HEIC Converter】 Batch convert iPhone HEIC/HEIF photos to universal JPG format. Adjustable quality and dimensions, text or image watermark support. Solves the "Windows can't open iPhone photos" problem. 【Unarchiver】 Extract ZIP, RAR, 7Z, TAR, GZIP, BZIP2, XZ. Also create password-protected ZIP archives from multiple files. Open compressed attachments directly without a computer. 【Batch Renamer】 Rename files or photos with prefix, suffix, numbering, find-replace, timestamps. Preview before applying, undo support. 【Storage Cleaner】 Scan large files, duplicate photos, and app caches. Free up space with one tap. Media Processing 【Video & Audio Toolkit】 Convert formats, compress files, trim videos, extract audio tracks. All processing happens locally with zero data usage. Privacy & Security 【Private Vault】 Encrypt and store sensitive files and photos. Face ID / Touch ID locked. Bank-level encryption protects your data even if your phone is lost. Productivity Tools 【Clipboard History】 Automatically saves copied text. Pin important items, search history, categorize. Never lose a copied verification code or address again. 【QR Scanner & Generator】 Scan QR codes and barcodes, or generate custom QR codes. History auto-saved for easy reference. Key Features • 100% Offline — Files stay on your device, never uploaded • 12-in-1 Toolkit — Replace 12 separate apps, save storage • Ad-Free Experience — Clean, distraction-free interface • iPad Optimized — Full-screen support, split-view ready • Multi-Language — English, Chinese, Japanese, Korean Privacy & Security JianBox respects your privacy. All file processing occurs entirely on your device. We do not collect, upload, or store any of your file contents. The Private Vault uses device-level encryption. No account sign-up required. No usage tracking. No marketing notifications. Pro Version One-time purchase. iPhone + iPad universal. Lifetime access to all 12 tools, ad-free experience. No subscription, no recurring fees, no account binding. Future updates included forever. Questions or feedback? Contact us through the in-app support feature.
Screenshots
Verdict
The clearest difference is monetization model: JianBox at free against DocLens Pro's free with in-app purchases. JianBox also leads on iOS requirement (16.4 vs 18.0). DocLens Pro's advantage is update cadence (every 4 days vs every 3 weeks). On price, rating, ratings volume and ads 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. DocLens Pro sells 1 one-off in-app purchase and JianBox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for DocLens Pro against 5.0 for JianBox. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
DocLens Pro ships an update every 4 days, JianBox every 3 weeks. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.
| Parameter | DocLens Pro | JianBox |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 20 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Gustavo Venzon | 涛 刘 |
Customer experience
DocLens Pro
JianBox
In-app purchases
DocLens Pro
- DocLens Pro Lifetime$1.99
JianBox
- JianBox Pro lifetime unlock$14.99









