Comparison

PDF在线版 vs 绵眠

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

Head to head
About

PDF在线版

This app serves as a reader for documents encrypted using an online solution. It requires a username and password to open protected files and automatically binds to the device used for the first reading. Administrators can manage user reading permissions.

Highlights
  • Online encryption reader
  • Username and password protection
  • Device binding
  • User permission control
  • Secure document access
Features
Read full description

pdf加密方案分为在线和离线两种版本,这个是在线加密方案的配套阅读器,文档创作者可以用客户端工具对文档进行加密,加密后的文档用户需要输入用户名和密码打开阅读,自动绑定用户第一次阅读的设备,您可以在后台控制用户阅读的权限。

About

绵眠

Features
Read full description

每一个热爱生活的人,都值得拥有好睡眠,好睡眠就用绵眠。绵眠提供白噪音、睡前冥想、深度睡眠、心理疗愈助眠内容。产品包含对每日睡眠状态的监测与评分,让用户准确了解自己的睡眠状况,让你早日拥有健康好睡眠! 在绵眠,我们希望与您一起做到: 【入睡-快】白噪音、脑波和放松旋律,强大到超乎想象的助眠曲库,并提供丰富自定义能力。 【睡觉-香】冥想练习、心理放松、呼吸调节、静心放松,整晚睡得香。 【作息-好】睡前仪式、睡觉提醒和每日睡眠分析,从入睡到睡醒立体守护。 【叫醒-柔】智能闹钟、特制闹铃声和午休小憩,轻柔唤醒您的每一次起床。 适用于: - 有睡眠症状困扰的人(入睡难、容易醒、多梦噩梦、浅眠) - 因焦虑、压力等情绪问题导致失眠的人 - 因旅游、出差、出国等环境突变导致失眠的人 - 因考试、加班等短暂性事项变化导致失眠的人 - 因群居、临街等吵闹环境导致失眠的人 - 运动、健身、跑步过后的夜间睡眠质量。 - 易哭闹的宝宝,及需照顾宝宝的妈妈爸爸们 - 不易入睡还易醒的老人家 - 学习、工作、冥想、专注、写作、阅读等需要来点白噪音的人 - 白噪音爱好者:下雨声、虫鸟鸣、海浪、舒缓纯音乐、哄睡。

Screenshots

PDF在线版3 screens
绵眠4 screens

Verdict

The call

The clearest difference is update cadence: PDF在线版 at monthly against 绵眠's every 3 months. On price, ads, in-app purchases 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

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在线版 ships an update monthly, 绵眠 every 3 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 8 level
PDF在线版 versus 绵眠: the parameters behind the verdict, then further details
ParameterPDF在线版绵眠
PriceFreeFree
Rating3.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.011.0
Further details — not scored
Size25 MB133 MB
Age rating4+4+
DeveloperTianjin Jinruan Tianxia Technology Co., Ltd.Shanghai Qianfenzhiyi Information Technology Co., Ltd.

In-app purchases

None

PDF在线版

No in-app purchases

None

绵眠

No in-app purchases

Questions

Is PDF在线版 free?
PDF在线版 is free to download, with no in-app purchases.
Is 绵眠 free?
绵眠 is free to download, with no in-app purchases.
Do PDF在线版 or 绵眠 have ads?
Neither PDF在线版 nor 绵眠 shows ads.
Which is updated more often, PDF在线版 or 绵眠?
PDF在线版 ships an update monthly, and 绵眠 every 3 months. Most recently, PDF在线版 was updated on October 13, 2026 and 绵眠 on October 14, 2026.

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