# User Calendar vs Reminder Notification

The clearest difference is in-app purchases: User Calendar at none against Reminder Notification's 4. User Calendar also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Reminder Notification sells 4 in-app purchases, starting at $0.99 per month. User Calendar asks for nothing beyond the download.

User Calendar ships an update every 5 weeks, Reminder Notification every 3 weeks. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | User Calendar | Reminder Notification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/user-calendar/id1459396489/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 13 MB | 45 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yihang Huang](https://appshunter.io/developer/1451896625) | [Emre Can Akyol](https://appshunter.io/developer/1681319908) |

## What reviewers say

### 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


### Reminder Notification

[App page](https://appshunter.io/ios/app/reminder-notification/id6746808992)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $0.99 | per month |
| 1 Week Premium | $0.99 | per 7 days |
| 3 Month Premium | $1.99 | per 3 months |
| 12 Month Premium | $5.99 | per year |


## Frequently asked questions

### Is User Calendar free?

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

### Is Reminder Notification free?

Reminder Notification is free to download, with in-app purchases available.

### Do User Calendar or Reminder Notification have ads?

Both User Calendar and Reminder Notification show ads.

### Which is updated more often, User Calendar or Reminder Notification?

User Calendar ships an update every 5 weeks, and Reminder Notification every 3 weeks. Most recently, User Calendar was updated on October 4, 2026 and Reminder Notification on October 15, 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.*