# HachiCalendar2 Pro — AI Calendar

> Integrated calendar, to-do, and AI assistant with vertical scrolling and floating date cards. (iPhone/iPad app by 加明 严.)

- Source: https://appshunter.io/ios/app/hachicalendar2-pro/id380105927 (this page in markdown: same URL + `.md`)
- Developer: [加明 严](https://appshunter.io/developer/372968860)
- Category: Productivity, Business
- Price: $1.99 with in-app purchases
- Rating: 3.50/5 from 22 App Store ratings · 339 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.1 · 28 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, Russian, Chinese (Simplified, China), European Spanish, Swedish and 2 more
- Released: 2010-07-08
- Data updated: 2026-08-30
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/hachicalendar2-pro/id380105927/reviews.md

## What is HachiCalendar2 Pro?

Your faithful friend, making life more organized.
15 years, over 1 million users.
Contact: hachi.iphone@gmail.com


Scroll endlessly through your past and future.
Turn events into checkable to-dos.
AI helps you create and analyze events naturally.
Floating cards keep countdowns and key dates always in view.

Hachi Calendar combines Calendar + To-Do + AI Assistant + Floating Date Cards into one powerful, seamless interface.
Browse vertically without switching views.
Check off events like tasks.
Let AI create, complete, and analyze your schedule.
Supports Gregorian / Lunar calendars, seasonal terms, and traditional date references to help you plan smarter.


####Key Features
Infinite Vertical Scrolling
Browse past and future smoothly without switching pages.

One-Page Operation Flow
View, add, drag, copy, move, and complete — all on one screen.

Events as To-Dos
Mark events as completed and keep a record of progress.

Integrated AI Assistant
Create events from natural speech or text; AI parses times, reminders, repeats, and provides summaries, analytics, and free-time suggestions.

Floating Countdown Cards
Display countdowns, elapsed days, or key dates.
Auto-highlights when deadlines approach.

Time Insights & Analytics
Discover active hours, time usage trends, and weekday/weekend differences.

Quick Voice Input
Long press to record → real-time transcription → release to create.
Countdown indicator before recording ends.

Smart Gap & Conflict Detection
Detects available slots and prevents overlapping events.

Key Dates Always Visible
Floating cards + countdowns + quick jumps keep important days front and center.

Emojis & Categories
Add emojis and tags for quick visual identification.

Multiple Reminders
Standard alerts, countdown highlights, and completion feedback.

Privacy First
Local analytics only — no data uploaded.


####Typical Use Cases
Say “Review meeting at 3 PM Friday, remind me 10 minutes before” → instantly created.
Check off daily study or workout goals.
Keep countdowns for exams, trips, or milestones visible.
Ask AI for “next week’s free time” to schedule meetings.
Review your time structure with automatic visual insights.
Track lunar birthdays or seasonal events easily.


####Highlights
True one-page vertical scrolling experience
Events double as to-dos
AI-powered creation, analysis, and scheduling suggestions
Floating cards for countdowns & key dates
Long-press voice input with dynamic countdown
Supports Gregorian / Lunar / Solar Terms / Almanac
Time usage insights and rhythm optimization
Lightweight, fast, and information-dense


####Perfect For
Users who want to manage schedules and tasks in one screen
Heavy planners who love AI or quick voice entry
Those who follow both modern and traditional calendars
Anyone who needs countdowns and visual goal tracking
People who want to analyze time usage to optimize their routines

## Key features

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

## Pricing and in-app purchases

Base price: $1.99.

**One-time purchases**

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


## Recent user reviews (10 of 339)

All indexed reviews: https://appshunter.io/ios/app/hachicalendar2-pro/id380105927/reviews.md

### 1/5 — 更新改版後跟原來介面顏色不同

*2026-08-08, version 11.6.0*

更新改版後跟原來介面顏色不同，看了很吃力之外，月曆會有上下月的顏色透明度太淡，使用上也變複雜不好用

### 1/5 — ほんとに使いづらい

*2026-07-20, version 11.6.0*

10年以上前から使って居ましたが、ここ1-2年のAI導入からバージョンアップのたびに、ほんとに使いづらくなってきた。
長年使っていたので変えるに変えられなく困っている。
よく、こんな使いづらい改悪できると思う。作者はおそらく使ってないのであろう。操作性が煩雑になり全くなってなくてイライラする
使いもしないAI機能なんて要らない

### 3/5 — Deception after system changed to AI

*2026-07-11, version 11.6.0*

I used a lot this calendar, since they change it to AI system is really difficult to follow, too much information and dashboard not very friendly. I liked how it was before.

### 4/5 — 初めは戸惑うが、慣れて来ると期待できそう

*2026-07-09, version 11.6.0*

長い間、以前のバージョンを使用して直感的に使用してきていたので新バージョンにアップデートされ戸惑いかまありした。ただ日々使うアプリなので何日か使う内に次第に使用感は良くなってきています。慣れて来ると新たな機能を使用するゆとりもでき使い勝手は向上すると感じます

### 1/5 — 時間設定不見了

*2026-07-01, version 11.6.0*

沒辦法設定時間

### 5/5 — Really love it.

*2026-06-22, version 11.6.0*

Super easy.

### 5/5 — Worth it

*2026-06-17, version 11.6.0*

Best calendar

### 1/5 — 新バージョンは使いにくい

*2026-06-17, version 11.6.0*

旧バージョンの右下の+印がないので、その日のイベントを入れられない。
イベントをクリックしたところでのコピーコマンドが消えてなくなっている。
有料で入手したのに使えず、広告付きの無料バージョンを使わざるを得ないとは全く理不尽極まりない。

### 5/5 — 休日の設定

*2026-06-04, version 11.5.0*

休日の設定が、前のバージョンだと、日付けの長押しで、任意に休日が設定出来たのすが、新しいバージョンは、任意に休日設定は出来ますか？
もし、出来ないのであれば、出来るようにして下さい。
お願いします。
やり方が変わっていたのでわかりませんでした。
前よりやりやすくなってました。
ありがとうございます。

### 1/5 — 予定が過去、現在、これから含めて全て消えた

*2026-06-04, version 11.5.0*

スケジュールがいきなり全て消えました。
意味が分からないです。

非常に困ってます、最悪過去は切り捨てます、いつどこに行ったとかも調べられなくなるのは困るけど我慢します。

ただこの先の予定はスケジュールに頼っていたのでマジで勘弁してほしい。
何か治せる可能性のある方法を知りたい

死活問題です

## Frequently asked questions about HachiCalendar2 Pro

### What does HachiCalendar2 Pro do?

HachiCalendar2 Pro is a productivity app that integrates calendar, to-do lists, and an AI assistant into a single interface. It allows users to manage events as checkable tasks, create and analyze schedules with AI, and keep important dates visible with floating countdown cards.

### What are the key features of HachiCalendar2 Pro?

Key features include infinite vertical scrolling for seamless browsing, events that function as to-dos, an AI assistant for natural language event creation and analysis, floating countdown cards for key dates, time insights and analytics, and quick voice input for event creation.

### How is HachiCalendar2 Pro monetized?

The app is free to download and use, but it offers in-app purchases. This typically means there are optional features or enhancements that users can buy to further customize or expand their experience with the app.

### What kind of calendars does HachiCalendar2 Pro support?

HachiCalendar2 Pro supports multiple calendar systems, including the Gregorian calendar, Lunar calendar, seasonal terms, and traditional date references. This allows users to plan smarter by accommodating various cultural and traditional datekeeping methods.

### Who would benefit most from using HachiCalendar2 Pro?

This app is ideal for users who want to manage their schedules and tasks on a single screen, heavy planners who appreciate AI or quick voice entry, individuals who follow both modern and traditional calendars, and anyone needing countdowns and visual goal tracking to optimize their routines.

## Version history (last 5 releases)

### 11.7.0 — 2026-08-10

• Added date range filters to Statistics, with an option to include all-day events.
• Added a setting to hide blank space at the beginning of the month in the vertically scrolling Month View.
• When using Japanese, added an option to display Gregorian and Japanese era dates together.
• Fixed custom colors not displaying correctly in Week View.
• Fixed the end-time display in the Day View timeline when the start and end times are the same.
• Fixed an issue where tapping Cancel did not respond in Event Trash and Duplicate Event Cleanup.
• Fixed other known issues and improved the overall experience.

### 11.6.0 — 2026-06-11

1. Added new features: Reminders, clearing recurring event filters, event trash, and date calculation can now be shown from Menu Settings.
2. After long-pressing the menu, voice input can open menu features. For example: Help me open Reminders.
3. Search now supports multiple keywords separated by commas.
4. Improved the experience based on user feedback and fixed several issues.

### 11.5.0 — 2026-05-18

1. Day View and Week View now include a new block layout, making events easier to scan. Tap the button in the lower-right corner to switch styles.
2. AI features enhanced:
   - Identify event details from images on the event creation screen.
   - Long-press the toolbar to quickly start AI and add events by voice.
   - Added AI voice prompts.
   - Added AI settings for choosing models, turning voice off, and cloning voices.
3. Day, Week, and Month Views now support long-press drag and drop for events.
4. Improved display performance.
5. Fixed multiple issues.

### 11.3.7 — 2026-03-14

1. Added a new **App font size setting**, which can be configured in General Settings.
2. Optimized the schedule export feature: added Excel export for duration statistics and improved the image export layout.
3. Added a Timeline mode to the Day view for a more intuitive way to view schedules.
4. Fixed an issue where a “no permission” message appeared incorrectly when deleting or modifying events.
5. Fixed other known issues and performed multiple performance optimizations to improve overall stability.

We hope the new version of Hachi Calendar brings you a better experience. Thank you for your support!

### 11.3.6 — 2026-03-03

1. Added data backup and restore functionality to ensure your data security.
2. Optimized toolbar display: supports a “More” menu to automatically organize overflowing items.
3. Added Image Gallery feature: can be freely added via toolbar settings to enrich the visual experience.
4. Added date selection styles: supports personalized settings in “Month View Settings” for more convenient date viewing.
5. Optimized navigation bar display: added a toggle for the “Smart Hachi” icon in the top-left corner, which can be enabled or disabled in General Settings.
6. Flexible event item configuration: supports customizing displayed fields in the event creation screen via General Settings.
7. Deeply optimized search functionality for more precise and efficient event lookup.
8. Fixed known issues and implemented multiple performance optimizations to improve app stability.

We hope the new version of Hachi Calendar brings you a better experience. Thank you for your support!

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## More apps by 加明 严

- [HachiCalendar2 Lite](https://appshunter.io/ios/app/hachicalendar2-lite/id384119714)
- [HachiCalendar3](https://appshunter.io/ios/app/hachicalendar3/id861891382)
- [HachiCalendar](https://appshunter.io/ios/app/hachicalendar/id6756841278)

All apps by 加明 严: https://appshunter.io/developer/372968860

## Related topics

[hachicalendar2 pro](https://appshunter.io/ios/topics/hachicalendar2-pro) · [hachicalendar2 lite](https://appshunter.io/ios/topics/hachicalendar2-lite) · [hachicalendar](https://appshunter.io/ios/topics/hachicalendar)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*