# Dawn Alarm vs シンプル時報

The clearest difference is in-app purchases: シンプル時報 at none against Dawn Alarm's 1. シンプル時報 also leads on ads (none vs shown). Dawn Alarm's advantage is update cadence (every 4 months vs every 9 months) and iOS requirement (15.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. Dawn Alarm sells 1 one-off in-app purchase. シンプル時報 asks for nothing beyond the download.

Dawn Alarm ships an update every 4 months, シンプル時報 every 9 months. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Dawn Alarm | シンプル時報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (26 ratings)](https://appshunter.io/ios/app/dawn-alarm/id963699059/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 65.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 11 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi AMANO](https://appshunter.io/developer/581065340) | [naoya takamura](https://appshunter.io/developer/1788186935) |

## What reviewers say

### Dawn Alarm

[App page](https://appshunter.io/ios/app/dawn-alarm/id963699059)

Wake up with the natural rhythm of daylight. This alarm app notifies you of dawn, sunrise, sunset, and dusk times for your location. It's ideal for those who want to align activities with natural light cycles.

**Highlights:** Dawn, sunrise, sunset, dusk notifications, Location-based timing, Major city timing lookup, Offline access to timing, Customizable dawn/dusk definitions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### シンプル時報

[App page](https://appshunter.io/ios/app/id6740054621)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dawn Alarm free?

Dawn Alarm is free to download, with in-app purchases available.

### Is シンプル時報 free?

シンプル時報 is free to download, with no in-app purchases.

### Do Dawn Alarm or シンプル時報 have ads?

Dawn Alarm shows ads; シンプル時報 does not.

### Which is updated more often, Dawn Alarm or シンプル時報?

Dawn Alarm ships an update every 4 months, and シンプル時報 every 9 months. Most recently, Dawn Alarm was updated on November 6, 2026 and シンプル時報 on October 28, 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.*