# Calendar Notebook: Date Diary — Simple date-based note taking

> Simple date-based note taking (iPhone/iPad app by Han Chang Lin.)

- Source: https://appshunter.io/ios/app/calendar-notebook-date-diary/id1317593650 (this page in markdown: same URL + `.md`)
- Developer: [Han Chang Lin](https://appshunter.io/developer/1074348727)
- Category: Productivity
- Price: $19.99 (on sale, was $99.99)
- Age rating: 4+
- Requires: iOS 11.0 · 47 MB
- Languages: American English
- Released: 2017-12-05
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/calendar-notebook-date-diary/id1317593650/reviews.md

## What is Calendar Notebook?

Data Not Collected. Your Privacy Is Fully Protected.
Supports up to six family members via Family Sharing.
No ads, subscriptions, or in-app purchases.

Calendar Notebook: Your Ultimate Daily Journal

Date-Specific Notes: Instantly access or create notes by selecting any calendar date.

Effortless Editing: Compose, save, or delete notes seamlessly in a distraction-free editor.

Intelligent Search: Locate entries across all dates with informative snippets instantly.

Automatic Sync: All notes are securely saved to your device, ensuring complete data integrity.

Adaptive Design: Clean, responsive interface optimized for iPhone and iPad devices.

Professional Workspace: Streamlined, clutter-free organization directly integrated with your calendar.

Customizable Layout: You can now adjust the size of each panel effortlessly by dragging the divider bars between Calendar, Search, and Content, allowing you to perfectly tailor the layout to your workflow.

Transform the way you capture life’s moments — one date at a time.

iPad Demo Video 1 demonstrates how to enter and save text in the editor.
iPad Demo Video 2 shows how to quickly search using keywords in the built-in search bar.


## Version history (last 5 releases)

### 26.3.6 — 2026-03-11

Thank you for choosing Calendar Notebook!
Improved performance and stability.

### 26.3.4 — 2026-03-05

Thank you for choosing Calendar Notebook!
Added week numbers. Improved performance and stability.

### 26.3.2 — 2026-02-27

Thank you for choosing Calendar Notebook!
This release improves performance and stability.

### 23.0.0 — 2026-02-14

Thank you for choosing Calendar Notebook!

What’s New
• iOS 26 support with optimized display
• Clear date labels (Today / Yesterday / Tomorrow / day count) for easier note tracking
• New iPad demo videos on the App Store for editing and keyword search

### 21.0.0 — 2025-10-07

Thank you for choosing Calendar Notebook!

You can now adjust the size of each panel effortlessly by dragging the divider bars between Calendar, Search, and Content, allowing you to customize the layout perfectly to match your workflow.

## More apps by Han Chang Lin

- [Daily Voice Notes](https://appshunter.io/ios/app/daily-voice-notes/id1074348728)
- [UltraPixel - Precision editing](https://appshunter.io/ios/app/ultrapixel-precision-editing/id1074587629)
- [RecordVoiceRecord -Sound Diary](https://appshunter.io/ios/app/recordvoicerecord-sound-diary/id1075040339)
- [FaveFlick - Fast Site Switcher](https://appshunter.io/ios/app/faveflick-fast-site-switcher/id1075738307)
- [EditMatch Duo - Dual WordPad](https://appshunter.io/ios/app/editmatch-duo-dual-wordpad/id1086371070)
- [Dual WordPad](https://appshunter.io/ios/app/dual-wordpad/id1086622576)

All apps by Han Chang Lin: https://appshunter.io/developer/1074348727

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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 2026-05-17.*