1. Home
  2. Topics
  3. Gdt

Best Gdt Apps

106+ 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 106+ 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★ (9.2M)YesYesAug 2026
2GDT Taxpayer AppGDT Taxpayer AppFree3.7★ (25)NoNoAug 2026
3GDT Tax Prefiling AppGDT Tax Prefiling AppFree3.7★ (6)NoNoJul 2026
4GDT Means of TransportationGDT Means of TransportationFree4.1★ (7)NoNoMay 2026
5GDT Salary Tax CalculationGDT Salary Tax CalculationFree4.7★ (6)NoNoMay 2026
6GDT Check & TrackGDT Check & TrackFree4.5★ (8)NoNoJun 2026
7Google GeminiGoogle GeminiFree4.7★ (2.1M)NoYesAug 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😊(9.2M 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 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
5
GDT Salary Tax Calculation
GDT Salary Tax Calculation
GDT Salary Tax Calculation
by General Department of Taxation
Free

Calculate Cambodian salary tax for employers and employees. This free app helps determine monthly tax obligations on salaries and fringe benefits, with options to deduct for spouses or dependents.

Calculate monthly salary taxTax on fringe benefitsDeduct for spouses/dependents
💰 Finance
(6)
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
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
(2.1M)
free with in-app purchases
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 Unlimited & Ask Brutus AI
Chat Unlimited & Ask Brutus AI
Chat Unlimited & Ask Brutus AI
Chat using GPT-5, Grok, Claude
Free

Engage in intelligent conversations with an AI assistant powered by advanced language models and internet search. This app offers a free mode, stores past conversations, and assists with various tasks, learning, and creative endeavors. Enjoy a private and secure chat experience with a user-friendly interface.

AI Chat Bot AssistantOpenAI GPT-4 API integrationInternet Search capabilities
📚 Education
(1K)
free with in-app purchases
12
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
13
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
14
AI Chatbot - Ask Me Anything
AI Chatbot - Ask Me Anything
AI Chatbot - Ask Me Anything
Top AI tools in one app
Free

This intelligent virtual assistant uses AI to understand your requests and provide helpful information. It can answer questions, write content, translate languages, solve math problems, generate images, and summarize documents. Access multiple top AI models for a comprehensive experience.

Answer questionsWrite emails, papers, essaysCompose stories and poems
📊 Productivity
(15K)
freemium
15
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
16
GDT
GDT
GDT
by GEFEST KAPITAL, OOO
Free
💼 Business
(0)
17
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
18
GDT Journey – Tickets & Coach
GDT Journey – Tickets & Coach
GDT Journey – Tickets & Coach
tickets, day tours, car rental
Free

Book tickets, tours, and car rentals for attractions across Australia and New Zealand. Find discounted tickets and create custom itineraries with a user-friendly platform. Enjoy multi-language and multi-currency support for a seamless travel planning experience.

Itinerary bookingDiscounted ticketsMulti-language support
✈️ Travel
(0)
free
19
GD&T
GD&T
GD&T
by Carl Zeiss AG
Free
📊 Productivity
(0)
20
NSSF Member
NSSF Member
NSSF Member
by National Social Security Fund, Cambodia
Free

Access your personal NSSF information, track work history and transactions, and find nearby health facilities. Easily contact NSSF, view news, and submit maternity and sick leave claims.

View and update personal informationMonitor work history and statement transactionsLocate NSSF branches and health facilities
💰 Finance
(16)
free

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 9.2M 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 106+ 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