HachiCalendar2 Pro Review 2026 — Top-Rated Productivity AI Tool

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Productivity AI

About this Tool

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

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.
L

Pros & Cons

✓ Pros

✓English 中文日本語
✓Purpose-built for task management

✗ Cons

✗No free plan — paid tiers only
✗No native Android app

Key Features

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English 中文日本語

📋 Scripts & Prompts for HachiCalendar2 Pro +

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