Best Updf AI Apps

246+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Finding the right updf ai app can be overwhelming with so many options. We've analyzed 246+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Updf AI

UPDF - AI-Powered PDF Editor#1

UPDF - AI-Powered PDF Editor by Superace Software Technology Co., Ltd.

AI Chat, Convert & Sign PDF
Editor's Choice
📊 Productivity
4.6😊(643 ratings)
FreeIn-App Purchases
UPDF - AI-Powered PDF Editor screenshot 1
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UPDF - AI-Powered PDF Editor screenshot 5
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This app is a powerful PDF editor for mobile devices, offering AI-powered features for summarizing, translating, and chatting with documents. It allows users to read, edit, annotate, convert, and sign PDFs, as well as scan paper documents into editable files. Manage all your PDF files and protect them with security features.

What We Love

  • 🚀 Excellent PDF editor
  • 👍 Intuitive and easy to use
  • 🔒 Secure file management
  • 💡 Powerful features like AI-powered summarization

Room to Improve

  • 🐛 Occasional crashes or stability issues
  • 💡 Need for more customization options
  • 💡 Lack of integration with third-party cloud storage
Smallppt: AI Slides#2

Smallppt: AI Slides by Quick Little Steps Limited

AI PowerPoint, PDF & AI Chat
Strong Contender
📊 Productivity
5.0(2 ratings)
FreeIn-App Purchases
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This AI-powered tool helps you create professional presentations, optimize content, and edit PDFs. It offers an AI chat assistant for brainstorming and content suggestions, along with AI reading assistance for text analysis and summarization. Easily merge, split, and watermark your PDF documents.

Perplexity - AI Search & Chat#3

Perplexity - AI Search & Chat by Perplexity AI Inc.

Ask. Research. Trusted Answers
Worth Considering
📊 Productivity
4.8😊(480K ratings)
FreeIn-App Purchases
#5in Productivity
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Get accurate, source-backed answers to any question with this AI-powered search and chat tool. It leverages top AI models for deep research, drafting emails, and more, syncing across devices. Discover new information and organize your findings in a personal library.

What We Love

  • 🚀 Saves time, fast and efficient
  • 🔍 Comprehensive and detailed answers
  • 📚 Provides sources and citations
  • 🤖 Excellent AI-powered search

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 🔒 Restrictions on VPN usage
  • 💰 Expensive subscription

More Updf AI apps to explore

4
Notability: AI Notes & PDF app
Notability: AI Notes & PDF app
Notability: AI Notes & PDF app
Write, type, annotate, draw
Free

Capture, organize, and enhance your thoughts with a versatile digital notebook. Seamlessly blend handwriting, typing, and multimedia to annotate documents, record lectures, and generate summaries. Ideal for students and professionals seeking to boost productivity and learning.

Handwritten and typed notesPDF and document annotationAudio recording and transcription
📊 Productivity
(450K)
freemium
5
Freenotes®: AI Notes Taking
Freenotes®: AI Notes Taking
Freenotes®: AI Notes Taking
Docs PDF Memo Planner Pencil
Free

This AI-powered digital notepad transforms your device into an intelligent workspace. It offers handwriting recognition, PDF annotation, and AI assistance for summarizing documents, answering questions, and aiding in study. Organize notes, sketch ideas, and sync across devices for a seamless paperless experience.

AI Summaries and Chat with PDFsAI Homework and Study HelperHandwritten Note Organization
📊 Productivity
(54K)
free with in-app purchases
6
PDF Expert: Editor & Converter
PDF Expert: Editor & Converter
PDF Expert: Editor & Converter
Edit, Sign, Convert Documents
Free

This app allows you to edit, annotate, fill out forms, and convert PDF documents. It offers AI-powered summarization and analysis, along with tools to merge, sign, and protect your files. Work seamlessly across Apple devices with a user-friendly interface.

Edit PDF text and imagesAnnotate and highlight PDFsFill out PDF forms
📊 Productivity
(215K)
free with in-app purchases
7
You.com - Enterprise grade AI
You.com - Enterprise grade AI
You.com - Enterprise grade AI
Deep research, agents, 20+LLMs
Free

This AI-powered productivity tool streamlines workflows and enhances decision-making for professionals. It combines web research with company data, offering deep insights, verifiable citations, and secure data handling. Transform raw data into actionable reports and presentations quickly.

Deep research agent (ARI)Access to 20+ LLMsUpload and analyze personal documents
📊 Productivity
(4.8K)
free with in-app purchases
8
Claude by Anthropic
Claude by Anthropic
Claude by Anthropic
AI assistant for life and work
Free

This AI assistant helps you write, research, code, and solve complex problems. It can analyze documents, code, and images, and even respond to voice commands. Expand your capabilities and tackle new projects with this intelligent thinking partner.

AI writing assistanceCoding and programming helpResearch and data insights
📊 Productivity
(193K)
free with in-app purchases
9
ChatLLM: AI Assistant & Chat
ChatLLM: AI Assistant & Chat
ChatLLM: AI Assistant & Chat
DeepAgent, Voice & AI Creator
Free

Access multiple advanced AI models for chat, content creation, and task automation. Features include an autonomous AI agent, real-time meeting transcription, and voice interaction. Generate images, videos, and code, or analyze documents with this comprehensive AI assistant.

Autonomous AI agent for complex tasksReal-time meeting transcription and insightsMulti-model AI chat (GPT-5, Opus, Gemini)
📊 Productivity
(2.3K)
subscription
10
Alice: AI assistant
Alice: AI assistant
Alice: AI assistant
Chat with AI-assistant Alice
Free

This AI assistant leverages a powerful neural network to help with everyday tasks, work, and creative projects. It can answer questions, generate text and images, analyze photos, and assist with coding and problem-solving. Communicate via voice or text, and even use live camera analysis for instant insights.

Text generation and editingImage creation and animationPhoto and video analysis
📊 Productivity
(1.9K)
free with in-app purchases
11
Chatbox - Powerful AI Client
Chatbox - Powerful AI Client
Chatbox - Powerful AI Client
All in One AI Client
Free

This application acts as a universal client, connecting you to leading AI models across various devices. It offers features like code assistance, image generation, and smart file understanding, all while prioritizing local data storage for privacy.

Connect to multiple AI modelsAnalyze documents, images, and codeAI-powered code generation and optimization
🔧 Utilities
(486)
free
12
Manus - AI Agent & Automation
Manus - AI Agent & Automation
Manus - AI Agent & Automation
Web Dev, Slides, research
Free

This AI agent bridges thought and action by autonomously planning, researching, and delivering finished products on a virtual computer. It handles complex tasks like data analysis, slide deck generation, and media creation, working asynchronously in the cloud and notifying you upon completion.

Autonomous task planning and executionAdvanced data analysis and reportingBoardroom-quality slide deck generation
📊 Productivity
(35K)
free with in-app purchases
13
Genspark AI Workspace
Genspark AI Workspace
Genspark AI Workspace
Autopilot Your Busywork
Free

This AI-powered workspace automates various tasks, from research and content generation to coding and presentation creation. It offers tools for drafting documents, building websites, transcribing meetings, and generating images, videos, and audio with simple prompts.

AI-powered research and information gatheringAutomated image, video, and audio generationAI-assisted presentation and document drafting
📊 Productivity
(3.6K)
free with in-app purchases
14
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Study, Writing, Research Agent
Free

This AI assistant offers advanced capabilities for writing, research, and image generation. It leverages multiple powerful AI models to provide deep insights, create content, and simplify tasks. Ideal for students, professionals, and creatives seeking enhanced productivity.

AI Image GeneratorAI Writing AssistantDeep Research with Sources
📊 Productivity
(167K)
free with in-app purchases
15
MobiPDF・PDF Text Editor・Reader
MobiPDF・PDF Text Editor・Reader
MobiPDF・PDF Text Editor・Reader
Edit, Convert Documents・Expert
Free

Edit, create, and secure PDF documents on your mobile device. Scan paper documents to editable PDFs, recognize text with OCR, and fill or sign forms. Convert between PDF and other formats, and protect sensitive files with passwords.

Scan documents to editable PDFsRecognize text with OCREdit text, images, and signatures
📊 Productivity
(6.9K)
free with in-app purchases
16
Goodnotes: AI Notes, Docs, PDF
Goodnotes: AI Notes, Docs, PDF
Goodnotes: AI Notes, Docs, PDF
Note taking, canvas & work app
Free

Capture ideas, enhance productivity, and unlock insights with advanced AI features. This app offers tools for professionals, students, and creatives, including infinite whiteboards, AI-powered transcription and summarization, and customizable digital notebooks.

AI-powered transcription and summarizationInfinite whiteboard canvasDigital notebooks with customizable templates
📊 Productivity
(431K)
free with in-app purchases
17
Meta AI
Meta AI
Meta AI
Create AI videos. Get answers.
Free

Create immersive AI videos of yourself and your friends, or get personalized answers and inspiration. This app allows you to generate creative videos and images using advanced AI models, remix existing content, and interact with an AI assistant via voice or text. It also serves as a companion app for AI glasses.

Create immersive AI videosLip sync to songsPersonalized AI answers
📊 Productivity
(152K)
free with in-app purchases
18
shapes.inc - AI with friends
shapes.inc - AI with friends
shapes.inc - AI with friends
design ur custom ai & hangout
Free

Connect with like-minded individuals and discover communities based on your unique interests. Create and interact with AI-powered characters, express yourself through multiple personas, and bring your original characters to life.

Join interest-based communitiesCreate and customize AI charactersDevelop and share original characters
🌐 Social Networking
(2.2K)
free
19
Chat AI 5: AI Agent & Video
Chat AI 5: AI Agent & Video
Chat AI 5: AI Agent & Video
One Chatbot All Top AI Models
Free

This app offers a voice-first AI assistant that leverages top AI models for tasks like document creation, research, image generation, and instant answers. It allows users to command AI with their voice to produce written content, analyze data, and manage documents.

Voice-first AI interactionImage generation from voice commandsInstant, accurate answers via Smart AI Routing
📊 Productivity
(1.7K)
free with in-app purchases
20
BypassGPT - AI Detector Check
BypassGPT - AI Detector Check
BypassGPT - AI Detector Check
undetectable ai checker tool
Free

This tool helps ensure your writing is not flagged as AI-generated. It accurately detects AI content and offers a "Humanize Now" feature to transform text into natural human patterns, making it indistinguishable from human-created content.

Accurate AI detectionHumanize text instantlyUser-friendly interface
📊 Productivity
(1.4K)
free with in-app purchases

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