Best AI File Viewer Apps

248+ iOS apps curated and reviewed

3.7 avg rating
20 free apps
Updated August 2026

If you already know AI Viewer, this is the deeper bench. 248+ ai file viewer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top AI File Viewer Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AI ViewerAI ViewerFree2.9★ (12)NoYesJul 2026
2Illustrator File Viewer: .AIIllustrator File Viewer: .AIFreeYesYesJul 2026
3WPS Office-AI Doc, PDF, SheetWPS Office-AI Doc, PDF, SheetFree4.8★ (18K)YesYesAug 2026
4XML Viewer Converter JSON PDFXML Viewer Converter JSON PDFFree4.1★ (118)NoYesAug 2026
5File ViewerFile ViewerFree3.4★ (5)NoNoJul 2026
6Viewer 2Viewer 2Free was $6.994.5★ (8)NoNoAug 2026
7STEP File ViewerSTEP File ViewerFree4.0★ (4)NoYesAug 2026
8HTML Viewer (013653)HTML Viewer (013653)FreeNoNoAug 2026

Top Picks for AI File Viewer

AI Viewer#1

AI Viewer by Chirag Jain

View ai (illustrator) files
Editor's Choice
📊 Productivity
2.9(12 ratings)
FreeIn-App Purchases
AI Viewer screenshot 1
AI Viewer screenshot 2
AI Viewer screenshot 3
AI Viewer screenshot 4

View Adobe Illustrator (.ai) files on your mobile device without needing a license. Convert .ai files to PDF or PNG, zoom in on previews, and easily locate Illustrator files stored on your device.

WPS Office-AI Doc, PDF, Sheet#3

WPS Office-AI Doc, PDF, Sheet by KINGSOFT OFFICE SOFTWARE CORPORATION LIMITED

Word, Excel, PPT & Forms
Worth Considering
📊 Productivity
4.8😊(18K ratings)
FreeAdsIn-App Purchases
WPS Office-AI Doc, PDF, Sheet screenshot 1
WPS Office-AI Doc, PDF, Sheet screenshot 2
WPS Office-AI Doc, PDF, Sheet screenshot 3
WPS Office-AI Doc, PDF, Sheet screenshot 4
WPS Office-AI Doc, PDF, Sheet screenshot 5
WPS Office-AI Doc, PDF, Sheet screenshot 6

This AI-powered office suite transforms your device into a smart workspace. Generate presentations from prompts, digitize notes, and analyze documents with an intelligent assistant. Seamlessly sync across devices for efficient workflow.

What We Love

  • 👍 Easy to use
  • 💡 Powerful features
  • 🚀 Fast and responsive
  • 🔒 Reliable file management

Room to Improve

  • 🐛 Occasional crashes and stability issues
  • 💰 Subscription model for advanced features
  • 🔍 Limited search and file management functionality

More AI File Viewer apps to explore

4
XML Viewer Converter JSON PDF
XML Viewer Converter JSON PDF
XML Viewer Converter JSON PDF
XML To PDF AI - XML Converter
Free

This app allows you to view, edit, convert, and validate XML files. It offers AI-powered XML code generation and converts files to PDF and JSON. Enjoy a user-friendly interface and flexible subscription options.

View, edit, and save XML filesConvert XML to PDF and JSONAI-powered XML code generation
🔧 Utilities
(118)
subscription
5
File Viewer
File Viewer
File Viewer
by Sharpened Productions
Free

Easily open and view over 100 different file types, including documents, images, videos, and archives. Browse files stored on your device or in iCloud Drive. This app also identifies unknown files and displays detailed file information.

Open 100+ file typesBrowse device and iCloud DriveBuilt-in readers for Office, PDF, and images
🔧 Utilities
(5)
free
6
Viewer 2
Viewer 2
Viewer 2
Zip Rar 7z File Viewer
Free
$6.99 | 100% OFF

This app allows you to view and edit various file types, including code, databases, archives, images, and videos. It supports multiple programming languages and character encodings for code viewing and editing.

Code viewer with syntax highlightingCode editorArchive file extraction (ZIP, RAR, 7Z)
🌟 Lifestyle
(8)
free
7
STEP File Viewer
STEP File Viewer
STEP File Viewer
View & Explore STEP/IGES
Free

View and interact with 3D CAD files like STEP and IGES. Inspect internal geometry, measure dimensions, and export models in various formats. Ideal for engineers, designers, and students needing to visualize complex designs without expensive software.

3D model viewing with pan, zoom, and rotateSolid, shaded, and wireframe display modesMeasure dimensions and features
🛠️ Developer Tools
(4)
free with in-app purchases
8
HTML Viewer (013653)
HTML Viewer (013653)
HTML Viewer (013653)
AI HTML Rendering Studio
Free
🔧 Utilities
(0)
9
Seekee: Ai Search & Ai Tools
Seekee: Ai Search & Ai Tools
Seekee: Ai Search & Ai Tools
Cloud, AI Tools & Search
Free

This app offers secure cloud storage for all your files, an intelligent AI assistant for consultations, and an aggregated global search engine for efficient information retrieval. It's designed for work, study, and daily use, providing a comprehensive solution for backup, research, and resource lookup.

Secure cloud storage with auto-syncAI assistant for consultationsAggregated global search engine
🔧 Utilities
(12)
free
10
Winmail Viewer:for DAT,XPS,MSG
Winmail Viewer:for DAT,XPS,MSG
Winmail Viewer:for DAT,XPS,MSG
RAR, Winmail.dat Reader, TNEF
Free

This tool allows users to extract, view, and save the contents of winmaildat, msg, and xps files. It provides a complete solution for managing these file types, including viewing all attachments and rich text messages.

Extract winmaildat, msg, xps filesView file contentsSave extracted files
📊 Productivity
(1)
free
11
FilePeek Markdown Viewer
FilePeek Markdown Viewer
FilePeek Markdown Viewer
HTML ZIP JSON SVG CSV Viewer
Free
🔧 Utilities
(0)
12
OpenFile - Preview any File
OpenFile - Preview any File
OpenFile - Preview any File
Preview 100+ File Formats
Free

Instantly preview over 100 file formats on your iPhone or iPad without uploads or accounts. Explore 3D models, code, documents, databases, and more with built-in developer tools for advanced file analysis. Prioritizes privacy with on-device processing.

Preview 100+ file formatsOn-device processing, no uploadsInteractive 3D model viewer
📊 Productivity
(2)
free with in-app purchases
13
myTextViewer
myTextViewer
myTextViewer
Any File Viewer: Code/Log/Text
Free

Instantly open and view any text, code, or log file. This app offers professional syntax highlighting and line numbers, making it ideal for professionals who need to access and read various file formats on the go. It supports numerous common file types and provides customizable viewing themes.

Open any text, code, or log fileSyntax highlighting for common formatsLine numbers display
📊 Productivity
(155)
free
14
Find Your AI
Find Your AI
Find Your AI
Match with the right AI tool
Free
📊 Productivity
(0)
15
Chat GT: General AI Assistant
Chat GT: General AI Assistant
Chat GT: General AI Assistant
All-in-one Top AI LLM Models
Free
📊 Productivity
(0)
16
PrismaView: AI Artifact Viewer
PrismaView: AI Artifact Viewer
PrismaView: AI Artifact Viewer
by Cataldo Franzone
Free
📊 Productivity
(0)
17
AI File Converter: to PDF PNG
AI File Converter: to PDF PNG
AI File Converter: to PDF PNG
Open .ai files, no upload
Free
🎨 Graphics & Design
(0)
18
STEP Viewer
STEP Viewer
STEP Viewer
Fast STEP File Viewer
Free
📊 Productivity
(0)
19
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
STP STL OBJ FBX GLTF & More
Free

Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.

Supports over 20 3D file formatsFast and smooth 3D file viewingZoom, rotate, and pan with touch controls
🔧 Utilities
(48)
free with in-app purchases
20
OneMarkup: File Viewer
OneMarkup: File Viewer
OneMarkup: File Viewer
File Viewer & HTML Apps
Free
📊 Productivity
(0)

FAQ about AI File Viewer

What are the best ai file viewer apps for iPhone?
AI Viewer tops our ai file viewer apps ranking as of August 2026, with a 2.9-star average from 12 App Store ratings, and it's free to download.
Yes — 20 of the top ai file viewer apps we rank are free to download, including AI Viewer and Illustrator File Viewer: .AI.
AI Viewer has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ ai file viewer apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
AI Viewer is a mobile application designed to preview and manage Adobe Illustrator (.ai) files directly on your iPhone or iPad. It allows you to view all pages of an .ai file and convert them to PDF or PNG formats.
Yes, AI Viewer allows you to preview .ai files stored on your mobile device, which means you can view them even without an active internet connection.