Comparison

PDF Scanner vs 金钟反诈卫士

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

Head to head
About

PDF Scanner

Transform your device into a portable scanner to efficiently digitize documents, IDs, and forms. Extract text with OCR, edit content, and export in various formats like PDF, JPG, Word, or TXT. This app enhances productivity for students, professionals, and anyone needing quick document management.

Highlights
  • Text OCR and extraction
  • Batch scanning
  • Multi-language translation
  • High-definition document scanning
  • ID and card scanning
  • Form scanning and data analysis
  • Electronic signatures and watermarks
Features
Read full description

PDF Scanner can turn your device into a powerful portable scanner to help you improve the efficiency of work and daily life. Download this scanner app for free to scan files (OCR) or IDs, edit, translate, save, and copy the recognized content, and share them in PDF, JPG, Word or TXT formats. This tiny multi-function free scanner app is essentials for students, teachers, accountants, realtors, managers, lawyers, or anyone working in a small corporation ---Features--- 【 Text OCR 】 - Scan and recognize various documents, pictures, books, business cards, etc. and extract the desired text, edit, copy and share the recognized content - Support batch scanning and handwriting recognition, and export files in multiple formats after extracting the text accurately - Support multi-language recognition and translate into any language you need, such as English, Japanese, French, German, Russian, Portuguese, Spanish, Italian, etc 【 File Scanning 】 - Scan high-definition documents and save the scanned results as multi-page PDF or JPG files. - Easily scan multiple pages and into one document - Adjust the brightness and chromaticity of scanned documents - Put your electronic signature or watermark on documents 【 IDs scanning 】 - Support the identification and scanning of various documents such as ID cards, bank cards, passports, etc., and generate electronic copies of 1:1 【 Form OCR 】 - Scan tables and forms quickly, precise positioning of table data, intelligent analysis of table text, generate files which can be edited and saved as tables or pictures ---Recommendations--- * Please take a photo to ensure you can get a clear scan * Ensure sufficient light and try to avoid jitter * Try to be within the entire scanning area ---Automatic renew subscriptions--- You will have unlimited access to our recognition service and other services during active subscription period. - The subscriptions are $2.99/week, $5.99/month and$12.49/year. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Subscriptions can be managed by the user and auto-renew can be turned off by going to the user's Account Settings after purchase. - Payment will be charged to iTunes Account at confirmation of purchase. - Account will be charged for subscription within 24-hours prior to the current period at the cost of the chosen package. - No cancellation of the current subscription is allowed during active subscription period Privacy Policy: https://www.camoryapps.com/miaoli/privacy_policy/scanner_en.html Terms Of Services: https://www.camoryapps.com/miaoli/service/scanner_en.html

About

金钟反诈卫士

Features
Read full description

全新功能升级: 1. 短信保护:
在短信未知与过滤中选择金钟安全卫士,金钟安全卫士将对未知号码发来的短信进行过滤,垃圾诈骗短信将不会给您发送通知。您也可以在金钟安全卫士里设置拦截关键词和黑白名单。 2. 来电保护:
在来电阻止与身份识别中可以选择金钟安全卫士了!
金钟安全卫士为您标记13万+个电话号码,所有号码都经过数百网友标记,是不是诈骗一目了然,保护您的来电安全。 ============================= 多数利用信用卡套现、诈骗银行资金的案件都是由于个人身份证复印件被盗用而引起的,被盗用的证件复印件都没有进行签注,而九成用户不知身份证复印件需要水印签注。[1] 在全民反诈骗的大潮之下,我们应该如何对证件复印件进行保护?简单来说就是应该给身份证打水印,水印内容应该包括三个要素,一是身份证提供给哪个单位,二是提供用途是什么,三是注明其他用途无效。 使用金钟安全卫士可以方便的进行电子化签注,将签注作为水印覆盖在证件之上,可以确保您的证件安全。 我们建议您将重要证件都通过金钟安全卫士扫描后管理,一旦遇到需要上传身份证复印件、户口本复印件等证件时,可以随时从金钟安全卫士中导出水印签注的复印件图片,再也不必回家找到证件之后再拍照那么麻烦。 使用金钟安全卫士安全吗?绝对安全。金钟安全卫士与其他软件最大的区别就是无需联网,很多软件可能会通过网络将您的证件照片上传给第三方,使用金钟安全卫士则完全不需要担心,因为我们完全离线,只将数据加密保存在您的手机本地,除了您自己,任何人都无法访问。 金钟安全卫士可扫描多种卡证:身份证、户口本、护照、银行卡、驾照、行驶证、营业执照、毕业证书、学位证书等,自动去边,去杂乱背景,也支持手动调整。 同时支持一键生成A4排版文件,导出后可直接用于打印。支持导出图片、PDF格式,支持原图、彩色、黑白等滤镜。支持安全水印,文字可以随意调整,让证件更安全。 [1]「 不加签注,身份证复印件会让你“危机四伏”」 新华社, 2014 您可以选择提供了所有功能的免费试用版。 无限制访问会员订阅 • 您可以订阅金钟安全卫士全部功能的无限制访问权限。 • 价格为:¥8/半年,¥12/年,金钟罩年度会员48/年,金钟罩半年会员28/半年 一旦您确认订阅会员,您的 iTunes 账户将被收取相应的费用,订阅到期后将自动续费。如需取消续订,可以在当前付费周期结束前24小时进行操作。订阅成功后,您可以在 iTunes Store 中管理订阅。 使用金钟罩证件夹即表示您同意我们的隐私权政策和使用条款: https://shimo.im/docs/RkxcPkVqYq3kGT6v https://shimo.im/docs/9X6tHYHP8h98PHTJ/

Screenshots

PDF Scanner4 screens
金钟反诈卫士3 screens

Verdict

The call

The clearest difference is review sentiment: 金钟反诈卫士 at 100% against PDF Scanner's 48%. 金钟反诈卫士 also leads on ads (none vs shown) and rating (5.0 vs 4.5). On price, ratings volume, 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. PDF Scanner sells 11 in-app purchases, starting at $2.99 per 7 days and 金钟反诈卫士 sells 4 in-app purchases, starting at $0.99 per 6 months. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

金钟反诈卫士 holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 53 and 82 respectively. Written reviews point the same way: 48% of PDF Scanner's written reviews are positive against 100% of 金钟反诈卫士's.

UpkeepUpdate frequency

PDF Scanner ships an update every 2 weeks, 金钟反诈卫士 weekly. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
PDF Scanner versus 金钟反诈卫士: the parameters behind the verdict, then further details
ParameterPDF Scanner金钟反诈卫士
PriceFreeFree
Rating4.5 (53 ratings)5.0 (82 ratings) — better
Positive reviews48.0% of reviews100.0% of reviews — better
Number of ratings5382 — better
Update frequencyEvery 2 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS1513.0 — better
Further details — not scored
Size75 MB20 MB
Age rating4+4+
DeveloperWuhan Yousigan Technology Co., Ltd方园 赵

Customer experience

PDF Scanner

All ratings53 ratings
Positive86.8%
Neutral0.0%
Negative13.2%
Written reviews50 reviews
Positive48.0%
Neutral4.0%
Negative48.0%

金钟反诈卫士

All ratings82 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

11 purchases

PDF Scanner

Subscriptions4
  • Recognition, unlimite times$2.997 Days
  • Recognition, unlimite times$3.991 Month
  • Recognition, unlimite times$5.991 Month
Show 1 more
  • Recognition, unlimite times1 Month trial$12.991 Year
One-time7
  • 3次按次付费功能使用资格$0.99
  • Recognition, unlimite times$4.99
  • Recognition, unlimite times$11.99
Show 4 more
  • Recognition, unlimite times$15.99
  • Two Year Membership$15.99
  • Recognition, unlimite times$22.99
  • Recognition, unlimite times$29.99
4 purchases

金钟反诈卫士

Subscriptions4
  • 半年会员7 Days trial$0.996 Months
  • 年度会员1 Month trial$1.991 Year
  • 金钟罩半年会员3 Days trial$4.496 Months
Show 1 more
  • 金钟罩年度会员3 Days trial$7.491 Year

Questions

Is PDF Scanner free?
PDF Scanner is free to download, with in-app purchases available.
Is 金钟反诈卫士 free?
金钟反诈卫士 is free to download, with in-app purchases available.
Which has better reviews, PDF Scanner or 金钟反诈卫士?
金钟反诈卫士 is rated higher. PDF Scanner averages 4.5 out of 5 from 53 ratings, while 金钟反诈卫士 averages 5.0 from 82 ratings.
Do PDF Scanner or 金钟反诈卫士 have ads?
PDF Scanner shows ads; 金钟反诈卫士 does not.
Which is updated more often, PDF Scanner or 金钟反诈卫士?
PDF Scanner ships an update every 2 weeks, and 金钟反诈卫士 weekly. Most recently, PDF Scanner was updated on October 21, 2026 and 金钟反诈卫士 on October 14, 2026.

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