Best Touch Annotator Apps

242+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated October 2026

Finding the right touch annotator apps can be overwhelming with so many options. We've analyzed 242+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Touch Annotator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Touch AnnotatorTouch Annotator$5.991.0★ (1)NoNoMay 2026
2ARES Touch: DWG Viewer & CADARES Touch: DWG Viewer & CADFree4.7★ (157)NoYesOct 2026
3Notes Writer: PDF, AI, MarkupNotes Writer: PDF, AI, MarkupFree4.5★ (7.3K)NoYesOct 2026
4UltraNotes - Note Taking & PDFUltraNotes - Note Taking & PDFFree4.6★ (187)NoYesOct 2026
5PDF Reader: Edit & OCR ScanPDF Reader: Edit & OCR ScanFree4.2★ (108)YesYesOct 2026
6Lectra Notes: PDF AnnotatorLectra Notes: PDF AnnotatorFree5.0★ (9)NoNoOct 2026
7PDF Pro - Reader Editor FormsPDF Pro - Reader Editor FormsFree4.7★ (7K)NoYesOct 2026
8GoodReader PDF Editor & ViewerGoodReader PDF Editor & Viewer$6.994.7★ (14K)NoYesOct 2026

Top Picks for Touch Annotator

1.0(1 ratings)
$5.99
Touch Annotator screenshot 1
Touch Annotator screenshot 2
Touch Annotator screenshot 3
Touch Annotator screenshot 4
Touch Annotator screenshot 5
Touch Annotator screenshot 6

This tool simplifies image annotation for object detection tasks. It automatically handles annotation formatting and offers intuitive controls for managing bounding boxes and labels. Choose from multiple export formats to seamlessly integrate with various machine learning frameworks.

ARES Touch: DWG Viewer & CAD#2

ARES Touch: DWG Viewer & CAD by Graebert GmbH

Read, Modify & Annotate in DWG
Strong Contender
📊 Productivity
4.7(157 ratings)
FreeIn-App Purchases
ARES Touch: DWG Viewer & CAD screenshot 1
ARES Touch: DWG Viewer & CAD screenshot 2
ARES Touch: DWG Viewer & CAD screenshot 3
ARES Touch: DWG Viewer & CAD screenshot 4
ARES Touch: DWG Viewer & CAD screenshot 5
ARES Touch: DWG Viewer & CAD screenshot 6

This CAD software allows professionals to view, create, annotate, and modify DWG drawings on mobile devices. Free users can access viewing and basic annotation tools, while subscribers unlock hundreds of advanced creation and editing features.

Notes Writer: PDF, AI, Markup#3

Notes Writer: PDF, AI, Markup by Kairoos Solutions SL

Docs,Flashcards,Voice Recorder
Worth Considering
📊 Productivity
4.5😐(7.3K ratings)
FreeIn-App Purchases
Notes Writer: PDF, AI, Markup screenshot 1
Notes Writer: PDF, AI, Markup screenshot 2
Notes Writer: PDF, AI, Markup screenshot 3
Notes Writer: PDF, AI, Markup screenshot 4
Notes Writer: PDF, AI, Markup screenshot 5
Notes Writer: PDF, AI, Markup screenshot 6

This app is a comprehensive note-taking and PDF editing solution for mobile devices. It allows users to write, format, and organize notes, annotate PDFs, fill forms, and scan documents. The app offers advanced editing tools, powerful search, and seamless sharing and export options.

What We Love

  • 🚀 Smooth writing experience
  • 💡 Versatile note-taking features
  • 🔒 Good privacy
  • 👍 Useful for various purposes (notes, PDF annotations, etc.)

Room to Improve

  • 🐛 Crashes and freezes
  • 🔒 Limiting free version with paywalls
  • 🐛 Bugs with erasing, page management, and file corruption
  • 🐛 Laggy performance and slow loading times

More Touch Annotator apps to explore

FAQ about Touch Annotator

What are the best touch annotator apps for iPhone?
Touch Annotator tops our touch annotator apps ranking as of October 2026, with a 1.0-star average from 1 App Store ratings, and it's priced at $5.99.
Yes — 17 of the top touch annotator apps we rank are free to download, including ARES Touch: DWG Viewer & CAD and Notes Writer: PDF, AI, Markup.
Touch Annotator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 242+ touch annotator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.