# Diary Calendar vs User Calendar

The clearest difference is price: User Calendar at Free against Diary Calendar's $2.99. User Calendar also leads on update cadence (every 5 weeks vs every 3 months). Diary Calendar's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

User Calendar is free to download; Diary Calendar costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Diary Calendar ships an update every 3 months, User Calendar every 5 weeks. The most recent releases landed on September 10, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | Diary Calendar | User Calendar |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/user-calendar/id1459396489/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 14 MB | 13 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hans Joachim Gerhardt](https://appshunter.io/developer/320239954) | [Yihang Huang](https://appshunter.io/developer/1451896625) |

## What reviewers say

### Diary Calendar

[App page](https://appshunter.io/ios/app/diary-calendar/id397426336)

This calendar app supports the ICS standard for seamless integration with PC calendar software like Outlook and Lightning. It offers detailed date and monthly overviews, allows for time zone-specific appointments, and enables the creation of both one-off and recurring events.

**Highlights:** ICS standard compatibility, Date and monthly overviews, Time zone management, Recurring event creation, Searchable appointment list, External data storage

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

**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

**In-app purchases:** none


## Frequently asked questions

### Is Diary Calendar free?

Diary Calendar costs $2.99, with no in-app purchases.

### Is User Calendar free?

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

### Do Diary Calendar or User Calendar have ads?

User Calendar shows ads; Diary Calendar does not.

### Which is updated more often, Diary Calendar or User Calendar?

Diary Calendar ships an update every 3 months, and User Calendar every 5 weeks. Most recently, Diary Calendar was updated on September 10, 2026 and User Calendar on August 9, 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.*