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Best Gdt Apps

104+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated July 2026

Every iPhone needs a few good gdt apps. We benchmark 104+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Gdt Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ChatGPTChatGPTFree4.8★ (8.8M)YesYesJul 2026
2GDT Taxpayer AppGDT Taxpayer AppFree3.7★ (25)NoNoJun 2026
3GDT Salary Tax CalculationGDT Salary Tax CalculationFree4.7★ (6)NoNoMay 2026
4GDT Tax Prefiling AppGDT Tax Prefiling AppFree3.7★ (6)NoNoJul 2026
5GDT Means of TransportationGDT Means of TransportationFree4.1★ (7)NoNoMay 2026
6GDT Check & TrackGDT Check & TrackFree4.5★ (8)NoNoJun 2026
7Khmer Speaking KeyboardKhmer Speaking KeyboardFree2.9★ (7)NoNoMay 2026
8GDT Live ChatGDT Live ChatFree3.7★ (3)NoNoMay 2026

Top Picks for Gdt

ChatGPT#1

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Editor's Choice
📊 Productivity
4.8😊(8.8M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
ChatGPT screenshot 2
ChatGPT screenshot 3
ChatGPT screenshot 4
ChatGPT screenshot 5
ChatGPT screenshot 6

This app provides access to advanced AI capabilities, including text generation, image creation from descriptions, and voice conversations. It offers personalized advice, creative inspiration, and instant answers for various tasks, syncing history across devices.

What We Love

  • 🚀 Powerful and versatile AI assistant
  • 👍 Intuitive and user-friendly interface
  • 🤖 Impressive conversational abilities
  • 💡 Convenient mobile access to ChatGPT

Room to Improve

  • 🐛 Occasional inaccuracies or inconsistencies in responses
  • 🔖 Limited to pre-2021 data, lacking real-time updates
  • 🔒 Concerns about privacy and data usage

More Gdt apps to explore

4
GDT Tax Prefiling App
GDT Tax Prefiling App
GDT Tax Prefiling App
by General Department of Taxation
Free

This app simplifies tax management for businesses by automatically calculating tax amounts based on purchase and sale records. Enterprise owners can also declare other taxes, select payment months, and monitor tax arrears and audits.

Automatic tax calculationPurchase and sale record entryDeclare other taxes
💰 Finance
(6)
free
5
GDT Means of Transportation
GDT Means of Transportation
GDT Means of Transportation
by General Department of Taxation
Free

This application helps taxpayers in Cambodia calculate and pay their means of transportation tax. It provides information on where to make payments, including government offices and various bank branches.

Calculate transportation taxPayment location informationSupports company taxpayers
💰 Finance
(7)
free
6
GDT Check & Track
GDT Check & Track
GDT Check & Track
by General Department of Taxation
Free

Verify official tax documents from Cambodia and track their status by scanning QR codes. This app allows users to check various tax-related certificates and letters issued by the Cambodian Taxation authority.

Verify tax documentsTrack document statusScan QR codes
🔍 Reference
(8)
free
7
Khmer Speaking Keyboard
Khmer Speaking Keyboard
Khmer Speaking Keyboard
Easy & Fast typing with voice!
Free

This keyboard app offers a unique way to type Khmer and English with voice input, smart spell check, and predictive text. Customize your typing experience with various font, color, and background options. It also supports haptic feedback and dark mode.

Voice typing for Khmer and EnglishSmart spell checkPredictive text
🔧 Utilities
(7)
free
8
GDT Live Chat
GDT Live Chat
GDT Live Chat
by General Department of Taxation
Free

This app offers live customer support for inquiries related to Cambodia tax. Get real-time assistance for your tax-related questions.

Live customer supportCambodia tax inquiriesReal-time assistance
🌐 Social Networking
(3)
free
9
GDT Calendar
GDT Calendar
GDT Calendar
by General Department of Taxation
Free

This app provides a comprehensive guide to Cambodia's tax return deadlines and public holidays. It details the start and end dates for various tax types, offering timely alerts for self-assessment taxpayers. Stay informed about important dates for patent tax, VAT, and more.

Tax return start and deadline notificationsAlerts for self-assessment systemCovers various tax types (Patent, VAT, Profit, etc.)
📊 Productivity
(10)
free
10
GDT Mobile
GDT Mobile
GDT Mobile
by ClearPoint Ltd
Free
💼 Business
(0)
11
Chat AI: Ask Chatbot Assistant
Chat AI: Ask Chatbot Assistant
Chat AI: Ask Chatbot Assistant
AI Writer & AI Image Generator
Free

This app leverages advanced AI to provide a conversational experience, acting as a virtual assistant for daily tasks and a content creation tool. It can answer a wide range of questions and generate unique digital art based on user preferences.

AI-powered chatbotVirtual assistant for tasksContent writing assistance
📊 Productivity
(15K)
freemium
12
GD&T
GD&T
GD&T
by Carl Zeiss AG
Free
📊 Productivity
(0)
13
GDT NEWS
GDT NEWS
GDT NEWS
by General Department of Taxation
Free

Stay informed with the latest official news and announcements from the General Department of Taxation. Access legal updates, sub-decrees, and important information for taxpayers, with live TV broadcasts and timely notifications.

Latest tax news and announcementsLegal updates (laws, sub-decrees, Prakas)Timely notifications for new information
📡 News
(2)
free
14
Land Transport Public Service
Land Transport Public Service
Land Transport Public Service
by Ministry of Public Works and Transport
Free

Access essential land transport information, including vehicle registration, driving licenses, and technical inspections. Verify document authenticity with QR code scanning and find relevant laws and decrees.

Vehicle registration informationDriving license proceduresTechnical inspection details
📚 Education
(2)
free
15
ChatGenius - AI Chat, ChatBot
ChatGenius - AI Chat, ChatBot
ChatGenius - AI Chat, ChatBot
Smart Assistant & AI Writer
Free

This AI-powered companion utilizes the GPT-5.1 API to offer advanced chatbot interactions, creative writing assistance, and research tools. It also includes code generation, smart editing, and speech-to-text capabilities, making daily tasks more productive and enjoyable.

Advanced AI chatbot interactionsPoetry and social media post generationResearch and concept explanation
📊 Productivity
(4.3K)
free with in-app purchases
16
Google Gemini
Google Gemini
Google Gemini
Your AI assistant from Google
Free

This AI assistant helps you brainstorm, create content, and simplify complex topics. It integrates with your Google apps to provide personalized assistance, plan trips, and study smarter. Upgrade for advanced features like video generation and deeper research capabilities.

Unlimited prompting with Gemini 3 FlashLive interaction via camera/screen sharingContent creation (mockups, posters, diagrams)
📊 Productivity
(2M)
free with in-app purchases
17
GDT Lucky Draw
GDT Lucky Draw
GDT Lucky Draw
by General Department of Taxation
Free

This app allows Cambodian users to upload invoices to enter a lottery for awards from the General Department of Taxation. It is exclusively available in Cambodia.

Invoice uploadAward lottery entryTaxation department awards
🎬 Entertainment
(6)
free
18
Tax Glossary App
Tax Glossary App
Tax Glossary App
by General Department of Taxation
Free

This app provides definitions and meanings for tax-related terms, helping users expand their knowledge of the tax sector. It allows searching for keywords, saving history, and sharing information. Users can also find tax branch addresses and link to customer support.

Search tax keywords and explanationsSave search terms and historyShare words and meanings
📚 Education
(1)
free
19
ChatBox - AI 챗봇과 채팅 및 이미지 생성
ChatBox - AI 챗봇과 채팅 및 이미지 생성
ChatBox - AI 챗봇과 채팅 및 이미지 생성
사진 생성과 한국어 글쓰기를 위한 최고의 Al 모델
Free

This AI-powered assistant offers a suite of tools for text generation, image creation, document processing, and real-time information retrieval. It can help with writing, problem-solving, brainstorming, and even generating music and stories.

AI text generationAI image generationDocument summarization and translation
📊 Productivity
(164K)
free with in-app purchases
20
Grindr - Gay Dating & Chat
Grindr - Gay Dating & Chat
Grindr - Gay Dating & Chat
Meet & Date Local LGBTQ People
Free

Connect with LGBTQ+ individuals for friendships, dates, or travel recommendations. Discover people nearby, chat, and share photos. Offers premium features for enhanced control and an ad-free experience.

See people nearby based on locationChat and share private photosAdd and search tags for interests
🌐 Social Networking
(385K)
free with in-app purchases

FAQ about Gdt

What are the best gdt apps for iPhone?
ChatGPT tops our gdt apps ranking as of July 2026, with a 4.8-star average from 8.8M App Store ratings, and it's free to download.
Yes — 20 of the top gdt apps we rank are free to download, including ChatGPT and GDT Taxpayer App.
ChatGPT shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 104+ gdt apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides access to advanced AI capabilities, allowing users to generate text, create images from descriptions, and engage in real-time voice conversations. It can offer creative inspiration, tailored advice, personalized learning assistance, and instant answers for a wide range of queries.
Key features include generating original images from text descriptions, engaging in advanced voice conversations, uploading photos to transcribe or get information, and receiving creative inspiration or tailored advice. It also supports personalized learning and professional brainstorming.

Related searches

gdt taxpayer appgdt salary tax calculationgdt check & trackgd&tchatgptgdt calendargdt means of transportationgdt tax prefiling appgdt live chat