Best Highlighter Pen Apps

250+ iOS apps curated and reviewed

4.1 avg rating
14 free apps
Updated September 2026

The best highlighter pen apps on iPhone average 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Highlighter Pen Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Highlighter PenHighlighter PenFree2.5★ (38)NoJun 2026
2LiquidTextLiquidTextFree4.6★ (6.4K)NoYesSep 2026
3PDF Highlighter - Read & EditPDF Highlighter - Read & EditFree3.0★ (1)NoNoJul 2026
4Excerpt - The Book HighlighterExcerpt - The Book HighlighterFree4.8★ (36)NoYesMay 2026
5Colorpik Ink PenColorpik Ink PenFreeNoNoJun 2026
6Noteful: Notes & PDF MarkupNoteful: Notes & PDF MarkupFree4.8★ (23K)NoYesSep 2026
7Highlighter Pen Line StrokesHighlighter Pen Line Strokes$2.99 was $4.495.0★ (1)NoNoSep 2026
8Keyword HighlighterKeyword Highlighter$2.99NoNoAug 2026

Top Picks for Highlighter Pen

LiquidText#2

LiquidText by LiquidText, Inc.

Annotate & review documents
Strong Contender
📊 Productivity
4.6😐(6.4K ratings)
FreeIn-App Purchases
LiquidText screenshot 1
LiquidText screenshot 2
LiquidText screenshot 3
LiquidText screenshot 4
LiquidText screenshot 5
LiquidText screenshot 6

This app provides a dynamic workspace for reviewing and organizing information from documents and webpages. It allows users to extract key facts, connect ideas across different sources, and annotate content for research, writing, or study.

What We Love

  • 🚀 Powerful annotation and organization features
  • 📚 Excellent for academic and research work
  • 💡 Innovative concept and workflow
  • 🤖 Responsive and helpful customer support
  • 🖼️ Smooth integration with Apple Pencil

Room to Improve

  • 💰 Expensive, especially for the subscription model
  • 🐛 Buggy and unstable at times
  • 🤯 Steep learning curve and unintuitive interface
  • 🔗 Lack of seamless cross-device sync and integration
  • 🔍 Navigation and file management issues
PDF Highlighter - Read & Edit#3

PDF Highlighter - Read & Edit by Jaydeep Dhameliya

Worth Considering
📊 Productivity
3.0(1 ratings)
FreeIn-App Purchases
PDF Highlighter - Read & Edit screenshot 1
PDF Highlighter - Read & Edit screenshot 2
PDF Highlighter - Read & Edit screenshot 3
PDF Highlighter - Read & Edit screenshot 4
PDF Highlighter - Read & Edit screenshot 5
PDF Highlighter - Read & Edit screenshot 6

Easily edit and highlight text, photos, and documents directly on your phone. This app provides realistic highlighting tools and drawing functions to mark important sections of PDFs and images, allowing you to save and share your annotated files.

More Highlighter Pen apps to explore

FAQ about Highlighter Pen

What are the best highlighter pen apps for iPhone?
Highlighter Pen tops our highlighter pen apps ranking as of September 2026, with a 2.5-star average from 38 App Store ratings, and it's free to download.
Yes — 14 of the top highlighter pen apps we rank are free to download, including Highlighter Pen and LiquidText.
Highlighter Pen has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ highlighter pen apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a digital highlighter, allowing you to mark up text with different colors and brush styles. It is designed with a straightforward user interface for ease of use.
The main features include the ability to choose your desired highlight color, select different brush styles for your highlights, and easily export your annotated text to any other application.

Related searches