# Custom Alerts vs Simple Calendar・Schedule app

The clearest difference is price: Simple Calendar・Schedule app at Free against Custom Alerts's $0.99. Simple Calendar・Schedule app also leads on rating (4.6 vs 3.8) and update cadence (weekly vs every 13 months). Custom Alerts's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Simple Calendar・Schedule app is free to download; Custom Alerts costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simple Calendar・Schedule app holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Simple Calendar・Schedule app has 2.5K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of Custom Alerts's written reviews are positive against 79% of Simple Calendar・Schedule app's.

Custom Alerts ships an update every 13 months, Simple Calendar・Schedule app weekly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Custom Alerts | Simple Calendar・Schedule app |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/custom-alerts/id682227805/reviews) | **[4.6 (2.5K ratings)](https://appshunter.io/ios/app/simple-calendarschedule-app/id1558989799/reviews)** |
| Number of ratings | 4 | **2.5K** |
| Positive reviews | 50.0% of reviews | **79.1% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | Paid | **Ad-supported** |
| Size | 1 MB | 61 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calm Seas Software, LLC](https://appshunter.io/developer/1527599491) | [Futoshi Niiho](https://appshunter.io/developer/1545504639) |

## What reviewers say

### Custom Alerts

[App page](https://appshunter.io/ios/app/custom-alerts/id682227805)

This app allows users to set highly customizable alerts for calendar events, ranging from minutes to weeks in advance. It supports multiple calendars and enables event creation and editing directly within the application, syncing seamlessly with the native iOS calendar.

**Highlights:** Set alerts from 0 minutes to 99 weeks ahead, Supports multiple calendars, Create and edit calendar events, Syncs with iOS calendar, Customizable alert timing

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Calendar・Schedule app

[App page](https://appshunter.io/ios/app/simple-calendarschedule-app/id1558989799)

This app offers a streamlined calendar experience, focusing on essential features for easy event management. It's designed for users who prefer simplicity and a clean interface over complex functionalities. Get organized with core calendar tools and helpful notifications.

**Highlights:** Calendar view, Event creation, Search functionality, Notifications, Holiday tracking, Customizable styles, Data backup

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 💎 Clean and aesthetically pleasing design
- 🎨 Customizable color options
- 🗓️ Straightforward calendar functionality
- 🧠 Helps users stay organized

**What reviewers complain about**

- 🐛 Issues with events showing on the wrong date
- 🕰️ Lack of 12-hour time format option
- 📢 Presence of ads
- 🔍 Limited search functionality
- 🔀 Difficulty rearranging/reordering events

**Reported bugs**

- Backup/restore functionality not working
- Events disappearing from calendar view
- Dates/times not displaying correctly

**Requested features**

- Repeat/recurring event functionality
- Widget support for home screen
- Ability to share calendars with others
- Option to set custom notification times
- More color palette choices


## Frequently asked questions

### Is Custom Alerts free?

Custom Alerts costs $0.99, with no in-app purchases.

### Is Simple Calendar・Schedule app free?

Simple Calendar・Schedule app is free to download, with no in-app purchases.

### Which has better reviews, Custom Alerts or Simple Calendar・Schedule app?

Simple Calendar・Schedule app is rated higher. Custom Alerts averages 3.8 out of 5 from 4 ratings, while Simple Calendar・Schedule app averages 4.6 from 2.5K ratings.

### Do Custom Alerts or Simple Calendar・Schedule app have ads?

Simple Calendar・Schedule app shows ads; Custom Alerts does not.

### Which is updated more often, Custom Alerts or Simple Calendar・Schedule app?

Custom Alerts ships an update every 13 months, and Simple Calendar・Schedule app weekly. Most recently, Custom Alerts was updated on November 1, 2026 and Simple Calendar・Schedule app on November 7, 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.*