# HachiCalendar2 Pro vs Houji

The clearest difference is in-app purchases: Houji at none against HachiCalendar2 Pro's 2. HachiCalendar2 Pro's advantage is update cadence (fortnightly vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

HachiCalendar2 Pro costs $1.99 and Houji $1.99 up front. HachiCalendar2 Pro sells 2 one-off in-app purchases. Houji asks for nothing beyond the download.

HachiCalendar2 Pro ships an update fortnightly, Houji every 7 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | HachiCalendar2 Pro | Houji |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[3.5 (22 ratings)](https://appshunter.io/ios/app/hachicalendar2-pro/id380105927/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 49.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 4 MB |
| Requires iOS | 16.1 | 16.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [加明 严](https://appshunter.io/developer/372968860) | [her0.jp](https://appshunter.io/developer/482918302) |

## What reviewers say

### HachiCalendar2 Pro

[App page](https://appshunter.io/ios/app/hachicalendar2-pro/id380105927)

This app combines calendar, to-do lists, and an AI assistant for seamless organization. Manage events as tasks, utilize AI for scheduling, and keep key dates visible with floating countdown cards. It offers detailed time insights and supports multiple calendar systems.

**Highlights:** Infinite vertical scrolling, Events as to-dos, Integrated AI assistant, Floating countdown cards, Time insights & analytics, Quick voice input, Gregorian/Lunar calendar support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| New Year Theme Pack | $1.99 | one-time |
| Weather Theme Pack | $2.99 | one-time |


### Houji

[App page](https://appshunter.io/ios/app/houji/id482918299)

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

**In-app purchases:** none


## Frequently asked questions

### Is HachiCalendar2 Pro free?

HachiCalendar2 Pro costs $1.99, and also offers in-app purchases.

### Is Houji free?

Houji costs $1.99, with no in-app purchases.

### Do HachiCalendar2 Pro or Houji have ads?

Neither HachiCalendar2 Pro nor Houji shows ads.

### Which is updated more often, HachiCalendar2 Pro or Houji?

HachiCalendar2 Pro ships an update fortnightly, and Houji every 7 months. Most recently, HachiCalendar2 Pro was updated on September 24, 2026 and Houji on September 22, 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.*