# Calendar app *DeepBlack — Black design Simple Organizer

> Simple calendar, time, and to-do list organizer with color-coded events. (iPhone/iPad app by Bakerstreet Co., Ltd..)

- Source: https://appshunter.io/ios/app/calendar-app-deepblack/id1115009429 (this page in markdown: same URL + `.md`)
- Developer: [Bakerstreet Co., Ltd.](https://appshunter.io/developer/1090599145)
- Category: Productivity, Lifestyle
- Price: Free
- Rating: 4.50/5 from 2 App Store ratings
- Age rating: 17+
- Requires: iOS 11.0 · 10 MB
- Languages: American English, Japanese
- Released: 2016-05-23
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/calendar-app-deepblack/id1115009429/reviews.md

## What is Calendar app *DeepBlack?

Appointment book use as casual note.
Organized plan in Calendar and Time and To-do list.

Feature Overview
Details
[touch +]
"Task" or "Appointment" added to "daily task list"
[touch x]
"Task" or "Appointment" deleted from "daily task list"
[touch color bar]
Calendar decorated by color

Providing scheduling solutions in a few touch.

Customization
Calendar marks up by color that selected suitable for this calendar to define special event days.

Appointment book app even not defined holiday according to the ordinary calendar.
Can create schedule suite for your lifestyle.
Also recommend to people that don't rest Saturday and Sunday.

About appointment and task list date
No need to register.
You're secretly appointment or task list saved your device.

## Key features

- Daily task and appointment list
- Color-coded event decoration
- Customizable schedule creation
- Private, device-saved plans
- Simple touch interface


## Frequently asked questions about Calendar app *DeepBlack

### What is the rating for DeepBlack?

DeepBlack has a rating of 4.5 stars based on 2 user reviews. This indicates a generally positive user reception for the app's functionality and design.

### How often is DeepBlack updated?

The latest version of DeepBlack is 3.3, last updated on December 26, 2025. This suggests a recent update, indicating ongoing development and support for the application.

### What devices does DeepBlack support?

DeepBlack is available for iPhone, iPad, and iPod devices. This broad compatibility ensures users can manage their schedules across various Apple hardware.

### Is DeepBlack suitable for all ages?

DeepBlack has an age rating of 17+. This is due to content that may not be suitable for younger audiences, as determined by app store guidelines.

### Does DeepBlack offer integrations with other apps?

The provided information does not specify any integrations with other calendar or productivity applications. DeepBlack appears to function as a standalone organizer.

### Can I export my schedule from DeepBlack?

Details regarding export functionality for schedules or data from DeepBlack are not mentioned in the description. The app focuses on on-device saving and organization.

### Does DeepBlack have ads?

No, DeepBlack does not contain advertisements. The app is free to download and use without any ad interruptions.

### How does DeepBlack handle data privacy?

DeepBlack saves your appointments and task lists secretly on your device, meaning no registration is required. This approach enhances user privacy by keeping data local.

## Version history (last 5 releases)

### 3.3 — 2025-12-26

update calendar to 2026

### 3.2 — 2024-12-13

update calendar to 2025

### 3.1 — 2023-12-20

update calendar to 2024

### 3.0 — 2022-12-30

update calendar to 2023

### 2.9 — 2021-12-29

- update calendar to 2022

## Apps similar to Calendar app *DeepBlack

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Simple Calendar: ToDo Planner](https://appshunter.io/ios/app/simple-calendar-todo-planner/id1422994973) | 4.6 (6,354) | Free | Productivity |
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| [Calendars: Schedule Planner](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326) | 4.7 (119,584) | Free | Productivity |
| [Planner: Daily, Weekly Diary](https://appshunter.io/ios/app/planner-daily-weekly-diary/id1538190047) | 4.7 (716) | Free | Productivity |

## More apps by Bakerstreet Co., Ltd.

- [会計入門（簿記３級対応）](https://appshunter.io/ios/app/id1090599146)
- [Escape by scratch *Scratch games](https://appshunter.io/ios/app/escape-by-scratch-scratch-games/id1116981346)
- [Organizer *Cliff](https://appshunter.io/ios/app/organizer-cliff/id1122838464)
- [Fun picture editing *d.Photo](https://appshunter.io/ios/app/fun-picture-editing-dphoto/id1123233737)
- [Life Tips  from detective](https://appshunter.io/ios/app/life-tips-from-detective/id1143912849)

All apps by Bakerstreet Co., Ltd.: https://appshunter.io/developer/1090599145

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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 2026-06-11.*