# Breaking Dawn Alarm vs AtCoder Alarm

The clearest difference is review sentiment: Breaking Dawn Alarm at 67% against AtCoder Alarm's 0%. AtCoder Alarm's advantage is ads (none vs shown) and update cadence (daily vs every 2 months). On price, 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.

Breaking Dawn Alarm ships an update every 2 months, AtCoder Alarm daily. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Breaking Dawn Alarm | AtCoder Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/breaking-dawn-alarm/id1536097037/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Ad-supported | **Free** |
| Size | 99 MB | 27 MB |
| Requires iOS | 17.4 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SK](https://appshunter.io/developer/488402744) | [Kiichi Ito](https://appshunter.io/developer/1505735244) |

## What reviewers say

### Breaking Dawn Alarm

[App page](https://appshunter.io/ios/app/breaking-dawn-alarm/id1536097037)

Set custom alarms for dawn, sunrise, sunset, and dusk with adjustable offsets and repetition options. Personalize alarm sounds and notification settings. The app uses location services to accurately calculate and update celestial times.

**Highlights:** Alarms for dawn, sunrise, sunset, dusk, Adjustable time offsets, Weekly repetition options, Customizable alarm sounds, Notification length and count settings, App icon badge display, Background time updates

**Features:** macOS Compatibility

**In-app purchases:** none


### AtCoder Alarm

[App page](https://appshunter.io/ios/app/atcoder-alarm/id1671964226)

This alarm clock requires users to solve a simple programming problem to turn it off. Problems are randomly selected from past AtCoder "A" tasks. Ensure you wake up on time with this unique challenge.

**Highlights:** Solve programming problems to stop alarm, Random AtCoder "A" task selection, Ensures waking up, Requires AtCoder pre-registration

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

**In-app purchases:** none


## Frequently asked questions

### Is Breaking Dawn Alarm free?

Breaking Dawn Alarm is free to download, with no in-app purchases.

### Is AtCoder Alarm free?

AtCoder Alarm is free to download, with no in-app purchases.

### Do Breaking Dawn Alarm or AtCoder Alarm have ads?

Breaking Dawn Alarm shows ads; AtCoder Alarm does not.

### Which is updated more often, Breaking Dawn Alarm or AtCoder Alarm?

Breaking Dawn Alarm ships an update every 2 months, and AtCoder Alarm daily. Most recently, Breaking Dawn Alarm was updated on October 11, 2026 and AtCoder Alarm 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.*