Comparison

PDF Reader vs 随传:自在互联,随传而至

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Reader

Features
Read full description

Your essential, all-in-one document tool. PDF Reader-sign simplifies how you manage, read, and sign all your important files on iPhone and iPad. Say goodbye to complicated software and expensive subscriptions. High-Impact Features • E-Sign Documents Instantly: Sign any PDF document, form, or contract directly on your device with your finger or stylus. Fast, secure, and legally binding. • Fill Forms Easily: Quickly fill out PDF forms and save the completed document. • Universal File Viewer: Read and open all your essential files in one place: • PDFs n eBooks: Open and read all your documents and digital books. • Office Files: View popular Microsoft Office file types: .doc, .xls, and .ppt. • Images n Web: Easily view .png, .jpg, and .html web pages. • Simple n Reliable: Designed for speed. Just tap to open any file quickly with a clean, clear interface. Download PDF Reader-sign today to simplify document viewing and sign any file instantly!

About

随传:自在互联,随传而至

Features
Read full description

「随传」是一款极简、安全的局域网跨设备协同工具。支持 iOS、Android、macOS、Windows、Linux等主流平台,不受系统与品牌限制,无需数据线,无需依赖云端或外网,即可让手机、平板、电脑之间实现高速互联,让多台设备真正像一台设备一样协同工作,让数据流转如同在同一台设备上一样自然、高效。 【核心功能】 * 极速直传 基于局域网高速传输,充分释放网络带宽,无需经过互联网服务器,让文件、图片、视频、文本等内容实现极速直传。不限文件大小,离线亦可使用,大文件也能轻松秒传。 * 即时对话 支持以聊天对话的方式在设备间传输文件与消息,让跨设备交流更加自然、高效。提供 10 秒 / 30 秒 / 90 秒 阅后即焚模式,满足即传、即用、即删的隐私沟通需求。 * 免装分享 支持通过网页直接共享文件,接收方无需安装 App,扫码即可下载。支持手动审批、一次性分享链接及提取码等多种分享方式,让分享更加灵活、安全、便捷。 * 无缝粘贴 毫秒级跨设备剪贴板自动同步,一处复制,多端粘贴,让文字、链接、代码等内容在不同设备间自由流转,真正实现「复制一次,随处粘贴」,大幅提升办公、学习与创作效率。 * 智能连接 支持智能扫描局域网设备、扫码配对、手动绑定等多种连接方式,快速建立设备间信任关系,统一管理所有已连接设备。零配置、开箱即用,轻松连接每一台设备。 * 全平台支持 全面支持 iOS、Android、macOS、Windows、Linux 等主流平台,无论手机、平板还是电脑,无论品牌还是操作系统,都能轻松互联互通,彻底打破生态壁垒,让设备之间不再有界限。 * 隐私安全 采用 X25519 + AES-256-GCM 端到端加密(E2E),支持局域网隐身模式与自定义密钥模式,全程本地加密传输,数据不上云、不留痕。所有数据默认仅在用户已绑定的设备之间传输,最大程度守护用户隐私与数据安全。 * 极简纯净 坚持简洁设计理念,无广告、无打扰,界面清爽易用,让每一次连接、传输与分享都更加专注、高效。

Screenshots

PDF Reader4 screens
随传:自在互联,随传而至4 screens

Verdict

The call

The clearest difference is ads: 随传:自在互联,随传而至 at none against PDF Reader's shown. 随传:自在互联,随传而至 also leads on update cadence (every 2 weeks vs every 115 months). On price, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PDF Reader ships an update every 115 months, 随传:自在互联,随传而至 every 2 weeks. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 4 level
PDF Reader versus 随传:自在互联,随传而至: the parameters behind the verdict, then further details
ParameterPDF Reader随传:自在互联,随传而至
PriceFreeFree
Update frequencyEvery 115 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size9 MB38 MB
Age rating4+4+
DeveloperAishvarya Sadasivam兆祥 李

In-app purchases

None

PDF Reader

No in-app purchases

None

随传:自在互联,随传而至

No in-app purchases

Questions

Is PDF Reader free?
PDF Reader is free to download, with no in-app purchases.
Is 随传:自在互联,随传而至 free?
随传:自在互联,随传而至 is free to download, with no in-app purchases.
Do PDF Reader or 随传:自在互联,随传而至 have ads?
PDF Reader shows ads; 随传:自在互联,随传而至 does not.
Which is updated more often, PDF Reader or 随传:自在互联,随传而至?
PDF Reader ships an update every 115 months, and 随传:自在互联,随传而至 every 2 weeks. Most recently, PDF Reader was updated on October 10, 2026 and 随传:自在互联,随传而至 on October 2, 2026.

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