Comparison

AR鲁班尺 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

AR鲁班尺

This app transforms your phone into a digital measuring tool, ideal for home buying, renting, and renovation. It offers customizable ruler lengths, unit conversions, and the ability to view CAD files and create floor plans. It also includes a feature to measure land area on a map.

Highlights
  • AR measurement with auspicious meanings
  • Customizable and preset ruler lengths
  • Multiple measurement units
  • View and analyze CAD files
  • Create floor plans
  • Map-based land area measurement
Features
Read full description

AR鲁班尺,手机秒变鲁班尺。买房租房与装修房屋时,方便快捷地测试户型。 本尺具有设置三种常用尺长---46.08厘米、42.9厘米和50.4厘米,还支持创造自己专属的尺长(上面三种之外的尺长),方便快速查询定吉凶,多种尺长对比更精准。不再需要多把尺子测量对比了。支持多种测量单位。 支持查看Cad文件,兼容多个DWG版本 --- AC1012 ~ AC1032。 快速创建平面图,快速查看图纸信息对应的字义。 测亩仪 --- 支持地图上画地块、步行和车载测量面积。 APP主要功能: 1. AR测量功能,直接测量显示对应的字义,实时保存多个测量数据与对应的鲁班尺字义。 2. 鲁班尺长度常用三种---46.08厘米、42.9厘米和50.4厘米,可以在这三种中任意切换,总有一种是你需要的。 3. 创造专属自己的尺长----用于常用3种尺长之外的长度。 4. 测量单位灵活设置---毫米,厘米,市寸与英寸,更贴近实际场景。 5. 可便捷查看各『 字 』代表的意思与寓意。 鲁班尺,亦作“鲁般尺”,进行建筑设计和室内装饰时时所用的测量工具,类今工匠所用的曲尺。它从左至右共分四排,其分别是传统的寸、鲁班尺、丁兰尺、厘米四种标尺。鲁班尺相传为春秋鲁国公输班所作,后经风水界加入八个字,以丈量房宅吉凶,并呼之为“门公尺”。其八个字分别是:“财”、“病”、“离”、“义”、“官”、“劫”、“害”、“本”,在每一个字底下,又区分为四小字,来区分吉凶意义。 LRule VIP Subscriptions • You can subscribe for LRule VIP Subscriptions to all features and content offered for purchase within the app. • Subscriptions are billed monthly or annually at the rate selected depending on the subscription plan. LRule offers two auto-renewing subscription options: (i) $8.99 / Year (ii) $4.99 / Month • You can subscribe to a monthly plan ($1.99 billed once a month), a yearly plan ($8.99 billed once a year). The prices are in US dollars. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. • Payment will be charged to iTunes Account at confirmation of purchase. • Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. - Privacy policy: https://appsdevelopinfo.web.app/2023/08/18/LRulePrivacyPolicy/ - Terms of use : https://appsdevelopinfo.web.app/2023/08/18/LRuleTerms/ 联系我们:1242296736@qq.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
Read full description

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

AR鲁班尺4 screens
PDF Factory Plus4 screens

Verdict

The call

The clearest difference is review sentiment: AR鲁班尺 at 94% against PDF Factory Plus's 25%. AR鲁班尺 also leads on update cadence (every 4 months vs every 26 months) and rating (4.9 vs 4.7). PDF Factory Plus's advantage is price (Free vs $0.29). On 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

PDF Factory Plus is free to download; AR鲁班尺 costs $0.29 up front. AR鲁班尺 sells 7 in-app purchases, starting at $4.99 per month and PDF Factory Plus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

AR鲁班尺 holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: AR鲁班尺 has 82 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 94% of AR鲁班尺's written reviews are positive against 25% of PDF Factory Plus's.

UpkeepUpdate frequency

AR鲁班尺 ships an update every 4 months, PDF Factory Plus every 26 months. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

Scorecard7 real differences · 3 level
AR鲁班尺 versus PDF Factory Plus: the parameters behind the verdict, then further details
ParameterAR鲁班尺PDF Factory Plus
Price$0.29Free — better
Rating4.9 (82 ratings) — better4.7 (10 ratings)
Positive reviews93.6% of reviews — better25.0% of reviews
Number of ratings82 — better10
Update frequencyEvery 4 months — betterEvery 26 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size105 MB61 MB
Age rating4+4+
Developer桐明 陈路 张

Customer experience

AR鲁班尺

All ratings82 ratings
Positive98.8%
Neutral0.0%
Negative1.2%
Written reviews47 reviews
Positive93.6%
Neutral0.0%
Negative6.4%

PDF Factory Plus

All ratings10 ratings
Positive90.0%
Neutral10.0%
Negative0.0%
Written reviews4 reviews
Positive25.0%
Neutral50.0%
Negative25.0%

In-app purchases

7 purchases

AR鲁班尺

Subscriptions2
  • 月VIP会员$4.991 Month
  • 年VIP会员$12.991 Year
One-time5
  • 移除广告$3.99
  • 最长测量长度为2千米$4.99
  • 46.08厘米尺长$4.99
Show 2 more
  • 50.4厘米尺长$4.99
  • 解锁所有功能$19.99
1 purchases

PDF Factory Plus

One-time1
  • PDF Factory PlusFree

Questions

Is AR鲁班尺 free?
AR鲁班尺 costs $0.29, and also offers in-app purchases.
Is PDF Factory Plus free?
PDF Factory Plus is free to download, with in-app purchases available.
Which has better reviews, AR鲁班尺 or PDF Factory Plus?
AR鲁班尺 is rated higher. AR鲁班尺 averages 4.9 out of 5 from 82 ratings, while PDF Factory Plus averages 4.7 from 10 ratings.
Do AR鲁班尺 or PDF Factory Plus have ads?
Neither AR鲁班尺 nor PDF Factory Plus shows ads.
Which is updated more often, AR鲁班尺 or PDF Factory Plus?
AR鲁班尺 ships an update every 4 months, and PDF Factory Plus every 26 months. Most recently, AR鲁班尺 was updated on September 26, 2026 and PDF Factory Plus on June 1, 2026.

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