Best PDF Dark Mode Apps

250+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated August 2026

Dark Reader is the household name in pdf dark mode, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top PDF Dark Mode Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dark Reader: PDF ViewerDark Reader: PDF ViewerFree4.4★ (7)NoYesAug 2026
2Eclipse: Dark Mode PDF ReaderEclipse: Dark Mode PDF ReaderFreeNoJul 2026
3PDFDarkMode - Customize PDFsPDFDarkMode - Customize PDFsFree5.0★ (1)NoYesJul 2026
4Dark PDF: Night Mode ReaderDark PDF: Night Mode ReaderFreeNoYesJul 2026
5DarkPaper: Dark Mode PDFDarkPaper: Dark Mode PDFFreeNoYesAug 2026
6DarkPDFDarkPDF$0.994.4★ (22)NoNoJul 2026
7Night PDFNight PDFFreeNoNoMay 2026
8Ultra Dark Mode ExtensionUltra Dark Mode ExtensionFree4.0★ (4)NoYesAug 2026

Top Picks for PDF Dark Mode

Dark Reader: PDF Viewer#1

Dark Reader: PDF Viewer by Utsav Mangla

Read PDF in Night Mode
Editor's Choice
📊 Productivity
4.4(7 ratings)
FreeIn-App Purchases
Dark Reader: PDF Viewer screenshot 1
Dark Reader: PDF Viewer screenshot 2
Dark Reader: PDF Viewer screenshot 3

Easily read PDF documents in a comfortable dark mode to reduce eye strain and save battery. This app automatically converts any PDF into a dark theme for a better reading experience on your devices.

PDFDarkMode - Customize PDFs#3

PDFDarkMode - Customize PDFs by Wildcatter LLC

Convert your PDFs to dark mode
Worth Considering
📊 Productivity
5.0(1 ratings)
FreeIn-App Purchases
PDFDarkMode - Customize PDFs screenshot 1
PDFDarkMode - Customize PDFs screenshot 2
PDFDarkMode - Customize PDFs screenshot 3
PDFDarkMode - Customize PDFs screenshot 4

Easily convert PDFs to a comfortable dark mode with custom text and background colors. Reduce eye strain while reading or studying long documents. Save and revisit your personalized PDFs in a private library.

More PDF Dark Mode apps to explore

4
Dark PDF: Night Mode Reader
Dark PDF: Night Mode Reader
Dark PDF: Night Mode Reader
Eye-Care Viewer for Documents
Free
📊 Productivity
(0)
5
DarkPaper: Dark Mode PDF
DarkPaper: Dark Mode PDF
DarkPaper: Dark Mode PDF
True dark mode for PDFs
Free
📊 Productivity
(0)
6
DarkPDF
DarkPDF
DarkPDF
Read PDF in dark + larger text
$0.99

This app allows you to read PDF documents in dark mode, inverting text and background colors to reduce eye strain. It also offers the ability to compress margins and blank spaces for a larger text display.

Dark mode PDF readingInvert text and backgroundLarger text display
📊 Productivity
(22)
paid
7
Night PDF
Night PDF
Night PDF
PDF reader that's easy on eyes
Free
🔧 Utilities
(0)
8
Ultra Dark Mode Extension
Ultra Dark Mode Extension
Ultra Dark Mode Extension
Darkmode Extension for Safari
Free

This extension automatically applies a dark theme to any website for more comfortable browsing, especially at night. It's fast, lightweight, and prioritizes user privacy by storing settings locally.

Automatic dark theme for all websitesReduces eye strainOne-tap toggle
🔧 Utilities
(4)
free
9
PDF Reader - AI PDF Tools
PDF Reader - AI PDF Tools
PDF Reader - AI PDF Tools
Fast & Easy AI PDF Tools
Free
📊 Productivity
(0)
10
PDF Editor Scanner: PDFStation
PDF Editor Scanner: PDFStation
PDF Editor Scanner: PDFStation
Scan, Edit, Convert PDF OCR AI
Free

This mobile app transforms your device into a powerful PDF scanner and editor. It uses AI to scan, convert, edit, sign, and organize PDF documents, offering features like OCR, text summarization, and secure password protection.

AI-powered document scanningEdit, annotate, and sign PDFsConvert between PDF and other formats
📊 Productivity
(3)
free
11
PDF Reader: Edit & OCR Scan
PDF Reader: Edit & OCR Scan
PDF Reader: Edit & OCR Scan
Sign, annotate & convert files
Free

Easily scan, read, edit, and manage PDF documents on your iPhone and iPad. Convert images to PDF, extract text with OCR, and sign your documents. Organize files with merging, splitting, and password protection.

Scan documents with cameraConvert photos to PDFExtract text with OCR
📊 Productivity
(3)
free with in-app purchases
12
PDF Text Editor ‑ Edit PDF
PDF Text Editor ‑ Edit PDF
PDF Text Editor ‑ Edit PDF
Change & rewrite existing text
Free

Edit, annotate, and organize PDF documents directly on your device. Modify existing text, add new content, and manage pages with a comprehensive suite of offline tools. Prioritizes user privacy with on-device processing and no account required.

Edit existing PDF textAdd new text and imagesAnnotate with drawing tools
📊 Productivity
(3)
free with in-app purchases
13
FLY PDF - Pdf Reader & Viewer
FLY PDF - Pdf Reader & Viewer
FLY PDF - Pdf Reader & Viewer
Read & Protect PDF File Expert
Free
📊 Productivity
(0)
14
SwiftPDF
SwiftPDF
SwiftPDF
by INTERGO PTE. LTD.
Free
🔧 Utilities
(0)
15
PDF Editor - Merge & Split
PDF Editor - Merge & Split
PDF Editor - Merge & Split
PDF Tools: Compress & Convert
Free

Easily merge multiple PDF files into one or split large PDFs into smaller ones. This app also allows for page deletion, unlocking, watermarking, and image-to-PDF conversion. It helps manage and customize your documents efficiently.

Merge multiple PDFsSplit PDFs into single pagesDelete unwanted pages
🔧 Utilities
(3)
free with in-app purchases
16
Smart PDF Toolkit
Smart PDF Toolkit
Smart PDF Toolkit
Scan, Edit, Merge & Split PDFs
Free

This app allows you to open, read, and manage PDF documents offline. It offers features like bookmarks, file renaming, and dark mode for a comfortable and efficient reading experience without needing an internet connection.

Offline PDF managementBookmarkingFile renaming
📊 Productivity
(0)
free
17
Mark PDF: PDF Editor & Scanner
Mark PDF: PDF Editor & Scanner
Mark PDF: PDF Editor & Scanner
Convert merge Fill & Sign PDF
Free

Edit, scan, merge, and compress PDF documents with a user-friendly interface. Offers advanced features like image extraction, annotation tools, and secure document management. Pro features include LLM summarization and webpage conversion.

Advanced PDF scanning with auto-cropMerge and organize multiple PDF filesExtract images from PDFs
💼 Business
(0)
freemium
18
PDF Reader - PDF PRO Editor
PDF Reader - PDF PRO Editor
PDF Reader - PDF PRO Editor
Read & Edit PDF Files
Free
📊 Productivity
(0)
19
PDF: Scan, Convert and Edit
PDF: Scan, Convert and Edit
PDF: Scan, Convert and Edit
One app for all PDF needs.
Free

This app offers a comprehensive suite of tools for managing PDF documents. Easily scan, convert, edit, merge, split, compress, and protect your PDFs. It's designed for efficiency and privacy, working offline.

Scan documents to PDFConvert photos and text to PDFEdit and manage PDF pages
🔧 Utilities
(2)
free with in-app purchases
20
AI PDF Reader: Zama PDF Merge
AI PDF Reader: Zama PDF Merge
AI PDF Reader: Zama PDF Merge
Smart Tools to Edit & Read PDF
Free
🔧 Utilities
(0)

FAQ about PDF Dark Mode

What are the best pdf dark mode apps for iPhone?
Dark Reader: PDF Viewer tops our pdf dark mode apps ranking as of August 2026, with a 4.4-star average from 7 App Store ratings, and it's free to download.
Yes — 19 of the top pdf dark mode apps we rank are free to download, including Dark Reader: PDF Viewer and Eclipse: Dark Mode PDF Reader.
Dark Reader: PDF Viewer has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ pdf dark mode apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Dark Reader is a PDF viewer that allows you to read documents in dark mode, reducing eye strain and improving battery life. It automatically converts any PDF into a dark theme for a more comfortable reading experience.
Dark Reader is available for iPhone, iPad, and iPod. It also supports macOS devices.