# GDT Calendar vs KLOCKNOW

The clearest difference is review sentiment: KLOCKNOW at 100% against GDT Calendar's 0%. KLOCKNOW also leads on rating (5.0 vs 4.3) and update cadence (monthly vs every 5 months). GDT Calendar's advantage is ratings volume (10 vs 3) and iOS requirement (10.0 vs 15). 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.

KLOCKNOW holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 10 and 3 respectively. Written reviews point the same way: 0% of GDT Calendar's written reviews are positive against 100% of KLOCKNOW's.

GDT Calendar ships an update every 5 months, KLOCKNOW monthly. The most recent releases landed on September 17, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | GDT Calendar | KLOCKNOW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (10 ratings)](https://appshunter.io/ios/app/gdt-calendar/id926656830/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/klocknow/id1402477919/reviews)** |
| Number of ratings | **10** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 15 MB | 81 MB |
| Requires iOS | **10.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [General Department of Taxation](https://appshunter.io/developer/923910706) | [BRONX TECHNOLOGY](https://appshunter.io/developer/1390421347) |

## 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


### KLOCKNOW

[App page](https://appshunter.io/ios/app/klocknow/id1402477919)

This cloud-based SaaS application streamlines human resource management. It offers a comprehensive suite of tools for HR professionals to manage their workforce efficiently. The platform is designed for seamless integration and accessibility from various devices.

**Highlights:** Cloud-based HR solution, SaaS platform, Human resource management, Workforce management, Accessible on multiple devices

**Features:** 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 KLOCKNOW free?

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

### Which has better reviews, GDT Calendar or KLOCKNOW?

KLOCKNOW is rated higher. GDT Calendar averages 4.3 out of 5 from 10 ratings, while KLOCKNOW averages 5.0 from 3 ratings.

### Do GDT Calendar or KLOCKNOW have ads?

Neither GDT Calendar nor KLOCKNOW shows ads.

### Which is updated more often, GDT Calendar or KLOCKNOW?

GDT Calendar ships an update every 5 months, and KLOCKNOW monthly. Most recently, GDT Calendar was updated on September 17, 2026 and KLOCKNOW on July 18, 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.*