Comparison

Avi Pdf Pro vs Watermark Secure

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

Head to head
About

Avi Pdf Pro

This utility app offers a comprehensive suite of tools for managing PDF files. Easily create, merge, lock, unlock, and watermark PDFs using images or your phone's camera. Your files are processed securely and deleted from servers after completion.

Highlights
  • Create PDF files
  • Merge PDF files
  • Lock PDF files
  • Unlock PDF files
  • Watermark PDF files
  • Use phone images or camera
Features
Read full description

Free and easy to use complete PDF toolkit with functions to create, merge, lock, unlock, watermark PDF files using images from your phone or phone camera. This tool does not store your files on our server longer than needed. All files will be deleted from our server after process completes.

About

Watermark Secure

Features
Read full description

Protect your documents before sharing them. Watermark Secure: ID Guard helps you prepare photos of IDs, passports, forms, certificates, and other personal documents before sending or storing them. Add a visible watermark, hide sensitive details, crop the image, and export the final result as a JPG or PDF. Everything is processed locally on your device, so your documents are not uploaded to external servers. Key features: • Add custom watermarks to document photos • Choose watermark color, opacity, size, and position • Use repeated or single watermark mode • Obscure sensitive details with solid blocks or blur • Crop the image before exporting • Export as JPG or PDF • Adjust image size inside the PDF • Keep a private in-app history of generated files • Preview previous exports inside the app • Take a photo with the camera or choose one from your photo library Watermark Secure: ID Guard is useful when you need to share a copy of a personal document while making its intended use clear, such as “For verification only”, “For rental application”, or “For bank review”. Your documents stay under your control. The app does not use analytics, advertising, tracking tools, or third-party upload services. Application Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Avi Pdf Pro4 screens
Watermark Secure4 screens

Verdict

The call

The clearest difference is iOS requirement: Avi Pdf Pro at 15.0 against Watermark Secure's 17.0. On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Avi Pdf Pro versus Watermark Secure: the parameters behind the verdict, then further details
ParameterAvi Pdf ProWatermark Secure
PriceFreeFree
Rating4.0 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size40 MB2 MB
Age rating4+4+
DeveloperNavjot SinghIvan Alcaraz Sanchez

In-app purchases

None

Avi Pdf Pro

No in-app purchases

None

Watermark Secure

No in-app purchases

Questions

Is Avi Pdf Pro free?
Avi Pdf Pro is free to download, with no in-app purchases.
Is Watermark Secure free?
Watermark Secure is free to download, with no in-app purchases.
Do Avi Pdf Pro or Watermark Secure have ads?
Neither Avi Pdf Pro nor Watermark Secure shows ads.

Other comparisons