Comparison

Cookper vs PDF File Protector

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

Head to head
About

Cookper

Features
Read full description

Cookper - is an app which has been made by cooking lover. The main idea - it to make you cooking easier. This app helps you to manage and keep your recipes, easy scale portion sizes and convert units (cups to grams and otherwise). Additional feature is important recipes by text or photo, now you can simply take a picture from some recipes book, and app will important as recipes structure with all texts and measurements. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PDF File Protector

Features
Read full description

Worried about sensitive PDFs being shared freely or leaked? Want to add a unique identifier to your important documents?Β  PDF File Protector is your professional document security assistant!Β  Safeguard your document security and copyright comprehensively with powerful watermarking, signing, and encryption features. [All-in-One Core Features] β€’ 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. β€’ Secure E-Signature Support for direct handwritten signatures, placed precisely anywhere in the document. Perfect for approving contracts, confirming orders, or signing agreementsβ€”get it done quickly without the hassle of printing and scanning. β€’ 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! β€” 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

Screenshots

Cookper4 screens
PDF File Protector3 screens

Verdict

The call

The clearest difference is price: Cookper at Free against PDF File Protector's $19.99. Cookper also leads on update cadence (every 6 days vs every 2 months) and iOS requirement (13.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Cookper is free to download; PDF File Protector costs $19.99 up front. Cookper sells 1 in-app purchase, starting at $6.99 per month and PDF File Protector sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Cookper ships an update every 6 days, PDF File Protector every 2 months. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

Scorecard3 real differences Β· 3 level
Cookper versus PDF File Protector: the parameters behind the verdict, then further details
ParameterCookperPDF File Protector
PriceFree β€” better$19.99
Update frequencyEvery 6 days β€” betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS13.0 β€” better16.6
Further details β€” not scored
Size19 MB7 MB
Age rating17+4+
DeveloperSergii Engstrem乐η₯₯ 胑

In-app purchases

1 purchases

Cookper

Subscriptions1
  • Cookper PRO2 variants$6.991 Month
1 purchases

PDF File Protector

One-time1
  • pdf签名内购$9.99

Questions

Is Cookper free?
Cookper is free to download, with in-app purchases available.
Is PDF File Protector free?
PDF File Protector costs $19.99, and also offers in-app purchases.
Do Cookper or PDF File Protector have ads?
Neither Cookper nor PDF File Protector shows ads.
Which is updated more often, Cookper or PDF File Protector?
Cookper ships an update every 6 days, and PDF File Protector every 2 months. Most recently, Cookper was updated on October 4, 2026 and PDF File Protector on October 12, 2026.

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