GDT Calendar vs NSW Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GDT Calendar
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 notifications
- Alerts for self-assessment system
- Covers various tax types (Patent, VAT, Profit, etc.)
- Includes Cambodia public holidays
- Lists Buddhist days
- Information on Property Tax and Withholding Tax
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The Cambodia Taxation Calendar is an application which describes start, deadline and alert notification of Cambodia taxreturn date for self assessment system. It is also including the Cambodia public holidays and Buddhist days. Application Features : Description of start and deadline of Cambodia taxreturn such as: • Patent Tax • Tax on profit • Property tax • Prepayment of profit tax • Withholding tax • Tax on salary • Value Added Tax • Accommodation Tax • Public Lighting Tax • Specific Tax on certain Merchandises and Services
NSW Authenticator
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Secure Your Access to the Cambodia National Single Window (NSW) and Customs Ecosystems Enhance your system access security with the NSW Authenticator — a mobile application that provides One-Time Password (OTP) verification for two-factor authentication (2FA). With NSW Authenticator, you can easily and securely protect your online accounts, ensuring that all actions within the NSW and Customs systems are performed by you — and only you.
Screenshots
Verdict
The clearest difference is update cadence: NSW Authenticator at every 2 months against GDT Calendar's every 5 months. GDT Calendar's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GDT Calendar ships an update every 5 months, NSW Authenticator every 2 months. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.
| Parameter | GDT Calendar | NSW Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (10 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 97 MB |
| Age rating | 4+ | 17+ |
| Developer | General Department of Taxation | General Department of Customs and Excise of Cambodia |
In-app purchases
GDT Calendar
No in-app purchases
NSW Authenticator
No in-app purchases
Questions
Is GDT Calendar free?
Is NSW Authenticator free?
Do GDT Calendar or NSW Authenticator have ads?
Which is updated more often, GDT Calendar or NSW Authenticator?
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