Comparison

钢结构设计工具箱 vs PDF Factory Plus

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

Head to head
About

钢结构设计工具箱

Features
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根据现行《钢结构设计标准》(GB50017-2017)及《新钢结构设计手册》等钢结构设计规范及相关书籍编写。是钢结构设计工程师不可多得的方便快速设计计算工具。 当前包含模块有: 【受弯构件强度】在主平面内受弯的实腹构件抗弯、抗剪强度计算。 【局压与折算应力】梁腹板计算高度上边缘局部承压强度与折算应力计算。 【整体稳定】受弯构件的整体稳定性计算。 【轴心受力构件】轴心受力构件的强度及稳定性计算。 以上均支持工字型截面型钢(各种热轧H型钢,自定义组合焊接H型钢及热轧工字钢)的设计计算。 【屈曲后强度】焊接截面梁腹板考虑屈曲后强度的计算。 【疲劳计算】直接承受动力荷载重复作用的的钢结构构件及其连接的疲劳计算。 【焊缝】焊缝强度、长度及承载力计算。包括角焊缝(直角、斜角)和对接焊缝的设计计算。 【紧固件】普通螺栓、高强螺栓、铆钉承载力计算。 【梁柱刚节点】梁柱刚节点处柱截面及节点域抗剪验算。 【支座】弧形、辊轴和铰轴支座的承载力计算。 【平台铺板】工作平台铺板(平钢板)的强度及挠度计算。 【螺栓间距】螺栓或铆钉的最大、最小容许距离计算查询。 【角钢受压承载力】一个或两个角钢轴心受压稳定时的承载力设计值计算查询。 【锚栓】锚栓的选用。 【宽厚比限值】压弯和受弯构件的截面板件宽厚比等级及限值的查询和计算。 【柱的计算长度系数】有侧移和无侧移框架柱的计算长度系数的查询和计算。 【内插值】单内插及双内插值计算。 【免责声明】App只是用来提高设计计算速度的工具。App开发者不对计算结果的正确性与适用性作出承诺。如果将其应用于实际工程,使用者应自行校核并判断计算结果的正确性与适用性。App开发者不承担由此带来的任何直接或间接损失。 如有问题或建议请在AppStore评论中提出或使用以下联系方式。 微博:@结构设计App(关注可有机会获得App免费兑换码) 电子邮件:lrtjqn@icloud.com

About

PDF Factory Plus

This app offers a comprehensive suite of local PDF processing tools, ensuring your files remain secure and private. It provides intuitive features for editing, converting, merging, and protecting PDF documents without requiring an internet connection or account creation.

Highlights
  • Local PDF processing for enhanced security
  • Password protection and decryption
  • Page deletion and extraction
  • Merge multiple PDFs
  • Image and XPS to PDF conversion
  • PDF repair and linearization
  • PDF to scanned file conversion
Features
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PDF Dream Factory processes your files locally, eliminating the need for server uploads and providing the highest level of file security. The application comprehensively addresses all your PDF processing requirements, offering fast, lightweight, and intuitive operations. **User-Friendly Design**: All functions are crafted for simplicity. You can start using the app efficiently without referring to any help guides. **Instant Access**: Begin immediately—no account creation is required. Complete tasks within seconds. **Multilingual Support**: Available in English, Chinese, Spanish, Portuguese, French, and German. **Top-Tier Security**: Conduct all operations offline. With local-only processing, your files stay secure, never leaving your device. With PDF Dream Factory, handling PDF files has never been easier. Here’s a breakdown of its powerful features: - **Encryption**: Protect sensitive data by password-locking PDF files. - **Decryption**: Remove restrictions on copying, printing, and editing, enabling seamless content management. - **Page Deletion**: Effortlessly remove unwanted pages from PDF documents. - **Page Extraction**: Select and save specific pages, ideal for targeted printing tasks. - **File Merging**: Combine pages from multiple PDFs into a single, unified document. - **Image-to-PDF Conversion**: Transform one or more images into PDF format for simplified management, printing, and sharing. - **XPS-to-PDF Conversion**: Accurately convert XPS files to PDF with 100% fidelity. - **PDF Repair**: Our advanced algorithm addresses various corruption issues, ensuring repaired files are compatible with all PDF readers. - **PDF Linearization**: Optimize PDFs for faster online viewing. Linearized files load page by page, offering a smoother experience compared to traditional PDFs, which require full download before display. - **PDF-to-Scanned File Conversion**: Convert PDFs into high-definition scanned copies, safeguarding your content from unauthorized copying and tampering. Elevate your PDF experience—download PDF Dream Factory today!

Screenshots

钢结构设计工具箱4 screens
PDF Factory Plus4 screens

Verdict

The call

The clearest difference is price: PDF Factory Plus at Free against 钢结构设计工具箱's $12.99. 钢结构设计工具箱's advantage is in-app purchases (none vs 1) and update cadence (every 6 months vs every 26 months). On ads 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

PDF Factory Plus is free to download; 钢结构设计工具箱 costs $12.99 up front. PDF Factory Plus sells 1 one-off in-app purchase. 钢结构设计工具箱 asks for nothing beyond the download.

UpkeepUpdate frequency

钢结构设计工具箱 ships an update every 6 months, PDF Factory Plus every 26 months. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 6 level
钢结构设计工具箱 versus PDF Factory Plus: the parameters behind the verdict, then further details
Parameter钢结构设计工具箱PDF Factory Plus
Price$12.99Free — better
Rating—4.7 (10 ratings) — better
Positive reviews—25.0% of reviews
Number of ratings—10 — better
Update frequencyEvery 6 months — betterEvery 26 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.6
Further details — not scored
Size19 MB61 MB
Age rating4+4+
Developer疆 边路 张

In-app purchases

None

钢结构设计工具箱

No in-app purchases

1 purchases

PDF Factory Plus

One-time1
  • PDF Factory PlusFree

Questions

Is 钢结构设计工具箱 free?
钢结构设计工具箱 costs $12.99, with no in-app purchases.
Is PDF Factory Plus free?
PDF Factory Plus is free to download, with in-app purchases available.
Do 钢结构设计工具箱 or PDF Factory Plus have ads?
Neither 钢结构设计工具箱 nor PDF Factory Plus shows ads.
Which is updated more often, 钢结构设计工具箱 or PDF Factory Plus?
钢结构设计工具箱 ships an update every 6 months, and PDF Factory Plus every 26 months. Most recently, 钢结构设计工具箱 was updated on October 5, 2026 and PDF Factory Plus on October 2, 2026.

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