# GDT Calendar vs MCS Mobile

The clearest difference is rating: MCS Mobile at 5.0 against GDT Calendar's 4.3. MCS Mobile also leads on update cadence (every 3 weeks vs every 5 months). GDT Calendar's advantage is ratings volume (10 vs 2) and iOS requirement (10.0 vs 15.5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MCS Mobile holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: GDT Calendar has 10 ratings behind it against 2, so its average is the more settled of the two.

GDT Calendar ships an update every 5 months, MCS Mobile every 3 weeks. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | GDT Calendar | MCS Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (10 ratings)](https://appshunter.io/ios/app/gdt-calendar/id926656830/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mcs-mobile/id1563693769/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 208 MB |
| Requires iOS | **10.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [General Department of Taxation](https://appshunter.io/developer/923910706) | [Ministry of Civil Service of Kingdom of Cambodia](https://appshunter.io/developer/1563693771) |

## What reviewers say

### GDT Calendar

[App page](https://appshunter.io/ios/app/gdt-calendar/id926656830)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### MCS Mobile

[App page](https://appshunter.io/ios/app/mcs-mobile/id1563693769)

Access your personal information and use QR codes for meetings, ID checks, and attendance. This government service app aims to provide secure and consistent access to essential data.

**Highlights:** Access full personal information, Scan QR Code for meetings, Scan QR Code for ID card, Scan QR Code for checking attendance, Latest government information

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GDT Calendar free?

GDT Calendar is free to download, with no in-app purchases.

### Is MCS Mobile free?

MCS Mobile is free to download, with no in-app purchases.

### Which has better reviews, GDT Calendar or MCS Mobile?

MCS Mobile is rated higher. GDT Calendar averages 4.3 out of 5 from 10 ratings, while MCS Mobile averages 5.0 from 2 ratings.

### Do GDT Calendar or MCS Mobile have ads?

Neither GDT Calendar nor MCS Mobile shows ads.

### Which is updated more often, GDT Calendar or MCS Mobile?

GDT Calendar ships an update every 5 months, and MCS Mobile every 3 weeks. Most recently, GDT Calendar was updated on September 17, 2026 and MCS Mobile on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*