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Best Watermark PDF Apps

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our watermark pdf list covers 249+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Watermark PDF Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Watermarker - PDFStampPDF Watermarker - PDFStampFree4.5★ (2)YesYesSep 2026
2Add Watermark to PDFAdd Watermark to PDFFree—NoYesOct 2026
3Watermarkly ― Watermark MakerWatermarkly ― Watermark MakerFree4.8★ (1.2K)NoYesOct 2026
4Watermark PDF & Photo: MarklioWatermark PDF & Photo: MarklioFree4.7★ (30)NoYesOct 2026
5PDF Guru：Sign & WatermarkPDF Guru：Sign & WatermarkFree5.0★ (1)NoYesOct 2026
6PDF Watermark & StampPDF Watermark & StampFree—NoYesOct 2026
7Watermark: Watermark Maker XWatermark: Watermark Maker XFree4.4★ (19K)NoYesOct 2026
8Watermark Creator & DesignerWatermark Creator & DesignerFree—NoYesMay 2026

Top Picks for Watermark PDF

PDF Watermarker - PDFStamp#1

PDF Watermarker - PDFStamp by Motoki Takahashi

Watermark PDF & JPEG Convert
Editor's Choice
💼 Business
4.5(2 ratings)
FreeAdsIn-App Purchases
PDF Watermarker - PDFStamp screenshot 1
PDF Watermarker - PDFStamp screenshot 2
PDF Watermarker - PDFStamp screenshot 3
PDF Watermarker - PDFStamp screenshot 4

Add custom watermarks to your PDF documents and convert them to JPEG images. Control metadata, annotations, and bookmarks during conversion. All processing is done locally on your device for enhanced privacy.

Watermarkly ― Watermark Maker#3

Watermarkly ― Watermark Maker by Julia Nikitina

Watermark Photos, Video & PDF
Worth Considering
🎨 Graphics & Design
4.8😊(1.2K ratings)
FreeIn-App Purchases
Watermarkly ― Watermark Maker screenshot 1
Watermarkly ― Watermark Maker screenshot 2
Watermarkly ― Watermark Maker screenshot 3
Watermarkly ― Watermark Maker screenshot 4
Watermarkly ― Watermark Maker screenshot 5
Watermarkly ― Watermark Maker screenshot 6

Easily add custom text or logo watermarks to photos, videos, and PDFs in batches. Save templates for consistent branding and apply repeated watermarks for enhanced protection. Protect your work and promote your brand efficiently.

What We Love

  • 🚀 Easy to use
  • 👍 Customizable watermarks
  • 💡 Free version with ads
  • 🚀 Quick and efficient
  • 👍 Saves watermark templates
  • 👍 Professional-looking results

Room to Improve

  • 🐛 Occasional crashes or glitches
  • 🔒 Tracking required for saving
  • 🔋 Limited free usage (10 photos per day)

More Watermark PDF apps to explore

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FAQ about Watermark PDF

What are the best watermark pdf apps for iPhone?
PDF Watermarker - PDFStamp tops our watermark pdf apps ranking as of October 2026, with a 4.5-star average from 2 App Store ratings, and it's free to download.
Yes — 20 of the top watermark pdf apps we rank are free to download, including PDF Watermarker - PDFStamp and Add Watermark to PDF.
PDF Watermarker - PDFStamp shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ watermark pdf apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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watermark pdf & photo: marklio