Comparison

PDF Reader vs 黑云箱唛

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

Head to head
About

PDF Reader

This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.

Highlights
  • Liquid Mode for optimized mobile reading
  • Annotation tools (pencil, text, highlighting)
  • Handwritten signature insertion
  • File management (move, merge, copy, delete)
  • Cloud service integration (Wondershare, iCloud)
  • Create blank PDFs and folders
Features
Read full description

PDFelement - PDF Reader is a PDF reader using the latest technology. The newly connected Liquid Mode function allows you to enjoy the best reading experience. In addition, there are various annotation tools, file management, signature, Various functions such as cloud services can meet your PDF needs in work and study. PDF VIEWER • Liquid Mode gives you the best PDF reading experience • Star files to find them quickly • Easily locate recently accessed files in the "Recent" list. • Enter the page number to navigate to the desired page for viewing LIQUID MODE • Get the best PDF Reading experience with Liquid Mode • PDF document fully fits the mobile phone screen, no need to zoom in and out repeatedly. • Easily adjust brightness, font size,style, and spacing. ANNOTATE • Using Pencil to annotate like writing on the paper • Add text annotations, freely modify the text and background, border colors, choose the appropriate font and font size. • Supports many annotating tools like highlighting, underlining, squiggly lines, or strikethroughs. MANAGE • Move, merge, copy or delete files SIGNATURE • Enables handwritten signatures to be inserted anywhere within the document, while also offering the ability to zoom in and out for greater flexibility. • Built-in commonly used stamps CREATE • Quickly create completely blank PDF documents • Creat blank folders. SHARE • Sharing document content with others is just a click away with capture feature. • Select sentence(s) or pragraph(s) to share CLOUD SERVICE • PDF Reader supports uploading or downloading docs via computer, Wondershare document cloud and iCloud. Please note that this app only supports editing native PDF files. It does not support editing scanned or raster PDF. If you find you cannot edit text in PDF, please check if it is scanned PDF. Thank you! ---------------------------------------------------------------------------------------- Need HELP? Please contact us! We'll feedback to you ASAP. Email: pdfelement@wondershare.com Support Center: http://support.wondershare.com Forum: http://forum.pdf.wondershare.com Official Website: https://pdf.wondershare.com If you think this App helps you, your positive review in the App Store would be much appreciated.

About

黑云箱唛

Read full description

黑云软件-第三方集成应用 1. 黑云箱唛 2. 联系黑云软件取得账号密码授权进入 3. 通过已上架App Store的“黑雲”APP的管理员设置页面扫码授权使用 4. 支持将出货清单生成装箱明细清单 5. 支持生成自定义的箱唛信息 6. 支持连接各式打印设备,输出箱唛信息 7. 支持应用管理员设置人员权限

Screenshots

PDF Reader4 screens

Verdict

The call

The clearest difference is update cadence: 黑云箱唛 at every 2 weeks against PDF Reader's every 2 months. 黑云箱唛 also leads on iOS requirement (12.0 vs 15.0). PDF Reader's advantage is device support (3 vs 1). On price, ads and in-app purchases 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 2 months, 黑云箱唛 every 2 weeks. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Reader versus 黑云箱唛: the parameters behind the verdict, then further details
ParameterPDF Reader黑云箱唛
PriceFreeFree
Rating4.3 (3.9K ratings) — better—
Positive reviews76.7% of reviews—
Number of ratings3.9K — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS15.012.0 — better
Further details — not scored
Size173 MB63 MB
Age rating4+4+
DeveloperWondershare Technology (Hunan) Co.,Ltd.Ashcloud Solution Co.,Ltd

Bugs and requests

PDF Reader

Reported bugs

4 issues
  • Text boxes appearing randomly
  • Inability to select/edit text in some PDFs
  • Scrolling issues and page loading delays
  • Incompatibility with certain PDF formats

Requested features

5 requests
  • Ability to edit text formatting (font, size, color)
  • Support for multiple open documents
  • Improved Apple Pencil integration
  • Bookmark/favorite feature for frequently used PDFs
  • Expanded cloud storage integration (OneDrive, Google Drive, etc.)

黑云箱唛

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

PDF Reader

No in-app purchases

None

黑云箱唛

No in-app purchases

Questions

Is PDF Reader free?
PDF Reader is free to download, with no in-app purchases.
Is 黑云箱唛 free?
黑云箱唛 is free to download, with no in-app purchases.
Do PDF Reader or 黑云箱唛 have ads?
Neither PDF Reader nor 黑云箱唛 shows ads.
Which is updated more often, PDF Reader or 黑云箱唛?
PDF Reader ships an update every 2 months, and 黑云箱唛 every 2 weeks. Most recently, PDF Reader was updated on September 23, 2026 and 黑云箱唛 on September 14, 2026.

Other comparisons