# Calendar app *DeepBlack vs User Calendar

The clearest difference is rating: User Calendar at 5.0 against Calendar app *DeepBlack's 4.5. User Calendar also leads on update cadence (every 5 weeks vs every 5 months). Calendar app *DeepBlack's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

User Calendar holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Calendar app *DeepBlack ships an update every 5 months, User Calendar every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Calendar app *DeepBlack | User Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/calendar-app-deepblack/id1115009429/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/user-calendar/id1459396489/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 13 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bakerstreet Co., Ltd.](https://appshunter.io/developer/1090599145) | [Yihang Huang](https://appshunter.io/developer/1451896625) |

## What reviewers say

### Calendar app *DeepBlack

[App page](https://appshunter.io/ios/app/calendar-app-deepblack/id1115009429)

Organize your schedule with a simple calendar, time, and to-do list. Add tasks and appointments with a touch, and visually distinguish events using customizable color-coding. This app offers a private way to manage your plans without needing to register.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### User Calendar

[App page](https://appshunter.io/ios/app/user-calendar/id1459396489)

A versatile calendar app for managing work, vacations, and reminders. It offers Gregorian and Lunar calendar views, customizable alerts, and cloud storage for settings. Supports a wide range of countries and allows for custom holiday designations.

**Highlights:** Gregorian and Lunar calendar query, Customizable reminders with color-coding, System calendar integration, Cloud storage for settings, Customizable holidays and workdays, Country-specific calendar information

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

**In-app purchases:** none


## Frequently asked questions

### Is Calendar app *DeepBlack free?

Calendar app *DeepBlack is free to download, with no in-app purchases.

### Is User Calendar free?

User Calendar is free to download, with no in-app purchases.

### Which has better reviews, Calendar app *DeepBlack or User Calendar?

User Calendar is rated higher. Calendar app *DeepBlack averages 4.5 out of 5 from 2 ratings, while User Calendar averages 5.0 from 1 ratings.

### Do Calendar app *DeepBlack or User Calendar have ads?

User Calendar shows ads; Calendar app *DeepBlack does not.

### Which is updated more often, Calendar app *DeepBlack or User Calendar?

Calendar app *DeepBlack ships an update every 5 months, and User Calendar every 5 weeks. Most recently, Calendar app *DeepBlack was updated on November 2, 2026 and User Calendar on November 3, 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.*