Comparison

PDF File Protector vs 有料二维码

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

Head to head
About

PDF File Protector

Features
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Worried about sensitive PDFs being shared freely or leaked? Want to add a unique identifier to your important documents?  PDF File Protector is your professional document security assistant!  Safeguard your document security and copyright comprehensively with powerful watermarking, signing, and encryption features. [All-in-One Core Features] • Effortless Watermarking Add text or image watermarks with customizable content, size, opacity, and rotation. Stamp exclusive identifiers on contracts, designs, or internal materials to prevent unauthorized use and distribution, asserting your ownership. • Secure E-Signature Support for direct handwritten signatures, placed precisely anywhere in the document. Perfect for approving contracts, confirming orders, or signing agreements—get it done quickly without the hassle of printing and scanning. • Powerful PDF Encryption Set a high-strength password to open the PDF, preventing unauthorized access. Effectively prevents data leaks caused by device loss or accidental file sharing, locking down your privacy and trade secrets. [App Highlights] Simple Operation: No expertise needed. Professional-level protection is just a few taps away. Fully Offline: All processing is done locally on your device. Your files are never uploaded, guaranteeing privacy and security. High-Quality Output: Maintains the original file's clarity and quality without compromising the reading experience. Perfect For: Business Professionals: Protect confidential company reports and contract documents. Designers/Creators: Add copyright watermarks to portfolios and design drafts. General Users: Encrypt important personal documents like IDs, resumes, and bank statements. Download PDF File Protector today! Hold professional-grade security measures in the palm of your hand. Share files with peace of mind! — Privacy Policy please visit: Privacy Policy: https://docs.qq.com/doc/DRFZnV2JkVGVSUWVU Terms of Service: https://docs.qq.com/doc/DREdRb0VqQUFETVhq Apple EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ If you have any questions, feel free to contact us anytime: hxx_shdt@126.com

About

有料二维码

Easily create and customize QR codes for various information like websites, Wi-Fi, and text. Offers a user-friendly interface with beautiful themes and high-definition export. No registration or ads for a seamless experience.

Highlights
  • Multiple QR code types (text, URL, Wi-Fi)
  • Customizable themes and appearance
  • High-definition image export
  • Intuitive and simple interface
  • Save and share QR codes easily
  • History for quick access and reuse
Features
Read full description

有料二维码是一款功能强大、界面精美的二维码生成工具,为您提供快速创建各类二维码的完美解决方案。无论是分享网址、WiFi密码、联系信息还是纯文本内容,只需几秒即可生成精美的二维码,让信息分享变得更加简单与高效。 主要特点:多类型二维码支持 1.文本二维码:分享重要信息和短文本 2.网址二维码:一键分享网站链接 3.WiFi二维码:让访客轻松连接您的网络 精美主题设计 1.多种精选主题:经典黑白、渐变蓝、星空、日落、薄荷、樱花等 2.自定义外观:选择不同的颜色、边框和角标样式 3.高清图像导出:确保每个二维码扫描清晰无误 用户友好体验 1.直观简洁的界面设计 2.一键保存到相册或分享 3.历史记录功能,方便查看和重用 4.无需注册,打开即用 专业可靠 1.支持多种扫描设备识别 2.高级纠错功能,确保扫描准确性 3. 零广告干扰的纯净体验

Screenshots

PDF File Protector3 screens
有料二维码3 screens

Verdict

The call

The clearest difference is price: 有料二维码 at Free against PDF File Protector's $19.99. 有料二维码 also leads on update cadence (weekly vs every 2 months). On ads, in-app purchases, device support and iOS requirement 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

有料二维码 is free to download; PDF File Protector costs $19.99 up front. PDF File Protector sells 1 one-off in-app purchase and 有料二维码 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF File Protector ships an update every 2 months, 有料二维码 weekly. The most recent releases landed on October 12, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 6 level
PDF File Protector versus 有料二维码: the parameters behind the verdict, then further details
ParameterPDF File Protector有料二维码
Price$19.99Free — better
Positive reviews—11.8% of reviews
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.616 — better
Further details — not scored
Size7 MB7 MB
Age rating4+4+
Developer乐祥 胡春辉 林

In-app purchases

1 purchases

PDF File Protector

One-time1
  • pdf签名内购$9.99
2 purchases

有料二维码

One-time2
  • 1个月VIP$0.99
  • 永久VIP$1.99

Questions

Is PDF File Protector free?
PDF File Protector costs $19.99, and also offers in-app purchases.
Is 有料二维码 free?
有料二维码 is free to download, with in-app purchases available.
Do PDF File Protector or 有料二维码 have ads?
Neither PDF File Protector nor 有料二维码 shows ads.
Which is updated more often, PDF File Protector or 有料二维码?
PDF File Protector ships an update every 2 months, and 有料二维码 weekly. Most recently, PDF File Protector was updated on October 12, 2026 and 有料二维码 on September 21, 2026.

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