To vs JianBox

核心功能 极简任务管理 告别繁琐，回归任务管理的本质。无论是日常工作、个人计划还是心愿清单，您都可以轻松创建、分类和标记优先级。通过清晰的列表和智能的重复提醒，让您的待办事项井井有条，不再遗漏任何重要安排。 沉浸式专注模式 内置番茄工作法计时器，助您进入心流状态。您可以自定义专注时长，在专注期间远离干扰，高效完成手头任务。每一次专注的积累，都是效率的飞跃。 习惯养成追踪 想培养早起、阅读或运动的好习惯？顺手记是您贴心的打卡伙伴。通过连续打卡记录，见证自己的坚持与进步，并获得专属成就徽章，让好习惯的养成充满乐趣和成就感。 直观数据洞察 您的努力，数据看得见。顺手记会自动生成任务完成率、逾期分析和效率趋势等可视化图表，帮助您清晰地回顾表现，发现时间管理中的优化空间，科学地提升效率。 清晰日历视图 以月或周为单位，在日历上直观地预览您的所有任务安排。拖拽即可调整日期，让日程规划一目了然，轻松掌控每一天。 个性化主题 支持多种主题色和深色模式，您可以根据个人喜好和使用环境，打造专属于自己的清爽界面，让任务管理也成为一种视觉享受。 产品特色 纯粹本地，隐私至上 我们坚信您的数据只属于您自己。顺手记是一款纯本地应用，所有任务数据都安全地存储在您的设备上，我们不会收集、上传或窥探您的任何信息。真正的隐私，无需妥协。 简洁直观，零学习成本 我们剔除了所有冗余功能，专注于提供流畅、直观的操作体验。无需任何学习，打开应用即可上手，让您的注意力完全集中在任务本身，而非复杂的操作上。 持续进化，体验为王 我们倾听用户的声音，并致力于通过持续更新来优化产品。每一次迭代都旨在为您提供更稳定、更便捷、更愉悦的使用体验。 适用场景 职场人士：管理工作项目、会议安排和每日待办，提升工作效率。 学生群体：规划学习计划、追踪作业截止日期和备考复习进度。 生活达人：记录购物清单、培养健身习惯、追踪个人目标，让生活更有条理。 为什么选择顺手记？ 在功能泛滥的时代，顺手记选择做减法。我们专注于待办事项管理的核心需求，为您提供一个纯粹、高效、安全的管理工具。简洁的界面让您聚焦任务，强大的功能助您高效执行，而极致的隐私保护则让您安心无忧。 无论您身处何种角色，顺手记都能成为您可靠的时间管理伙伴，帮助您从容应对工作与生活的挑战。 立即下载顺手记，开启您的高效、安心之旅！ 用户协议链接: https://nickgao1986.github.io/nickapp.github.io/todo/user.html 隐私政策链接: https://nickgao1986.github.io/nickapp.github.io/todo/privacy.html

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.