# GDT Calendar vs Habit Batcher

The clearest difference is review sentiment: Habit Batcher at 100% against GDT Calendar's 0%. Habit Batcher also leads on rating (5.0 vs 4.3) and update cadence (every 2 days vs every 5 months). GDT Calendar's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Habit Batcher sells 2 in-app purchases, starting at $2.99 per month. GDT Calendar asks for nothing beyond the download.

Habit Batcher 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 Habit Batcher's.

GDT Calendar ships an update every 5 months, Habit Batcher every 2 days. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GDT Calendar | Habit Batcher |
| --- | --- | --- |
| 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/habit-batcher/id6748263359/reviews)** |
| Number of ratings | **10** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 80 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [General Department of Taxation](https://appshunter.io/developer/923910706) | [Durham Creative LLC.](https://appshunter.io/developer/1824868303) |

## 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


### Habit Batcher

[App page](https://appshunter.io/ios/app/habit-batcher/id6748263359)

This app helps you build consistent routines by grouping habits into structured batches. Track your progress visually and stay on track with smart notifications and home screen widgets. It focuses on behavioral science principles to make habits stick.

**Highlights:** Habit stacking for routine building, Visual progress tracking (calendars, streaks), Optional partial progress tracking, Separate daily to-do list, Home screen widgets for visibility, Deep customization options, Smart and flexible notifications

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Batcher Premium (Monthly) | $2.99 | per month |
| Batcher Premium (Yearly) | $19.99 | per year |


## Frequently asked questions

### Is GDT Calendar free?

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

### Is Habit Batcher free?

Habit Batcher is free to download, with in-app purchases available.

### Which has better reviews, GDT Calendar or Habit Batcher?

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

### Do GDT Calendar or Habit Batcher have ads?

Neither GDT Calendar nor Habit Batcher shows ads.

### Which is updated more often, GDT Calendar or Habit Batcher?

GDT Calendar ships an update every 5 months, and Habit Batcher every 2 days. Most recently, GDT Calendar was updated on October 18, 2026 and Habit Batcher on October 28, 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.*