# Custom Alerts vs Calendar Notes

The clearest difference is price: Calendar Notes at Free against Custom Alerts's $0.99. Calendar Notes also leads on review sentiment (93% vs 50%) and rating (4.9 vs 3.8). Custom Alerts's advantage is ads (none vs shown) and iOS requirement (12.0 vs 16.0). On update cadence, in-app purchases and device support there is nothing between them.

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

Calendar Notes holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: Calendar Notes has 74 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 93% of Calendar Notes's.

Custom Alerts ships an update every 13 months, Calendar Notes every 11 months. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Custom Alerts | Calendar Notes |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/custom-alerts/id682227805/reviews) | **[4.9 (74 ratings)](https://appshunter.io/ios/app/calendar-notes-simple-and-easy/id6502745975/reviews)** |
| Number of ratings | 4 | **74** |
| Positive reviews | 50.0% of reviews | **93.3% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 11 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Calm Seas Software, LLC](https://appshunter.io/developer/1527599491) | [Edi Ermawan](https://appshunter.io/developer/1718671078) |

## 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


### Calendar Notes

[App page](https://appshunter.io/ios/app/calendar-notes-simple-and-easy/id6502745975)

Capture your thoughts and plans directly on a calendar. This straightforward app lets you add notes, ideas, and personal agendas to specific dates with customizable colors. View your entries by month or year in a clean, lightweight interface.

**Highlights:** Save notes and ideas to calendar dates, Add color to notes, View notes by month or year, Perpetual calendar functionality, Lightweight and small app size

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Custom Alerts free?

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

### Is Calendar Notes free?

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

### Which has better reviews, Custom Alerts or Calendar Notes?

Calendar Notes is rated higher. Custom Alerts averages 3.8 out of 5 from 4 ratings, while Calendar Notes averages 4.9 from 74 ratings.

### Do Custom Alerts or Calendar Notes have ads?

Calendar Notes shows ads; Custom Alerts does not.

### Which is updated more often, Custom Alerts or Calendar Notes?

Custom Alerts ships an update every 13 months, and Calendar Notes every 11 months. Most recently, Custom Alerts was updated on October 4, 2026 and Calendar Notes on October 20, 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.*