# Sun Alarm Clock vs Sunrise Sunset Notification

The clearest difference is in-app purchases: Sunrise Sunset Notification at none against Sun Alarm Clock's 3. Sunrise Sunset Notification also leads on update cadence (weekly vs every 3 months) and iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Sun Alarm Clock sells 3 in-app purchases, starting at $0.99 per month. Sunrise Sunset Notification asks for nothing beyond the download.

Sun Alarm Clock ships an update every 3 months, Sunrise Sunset Notification weekly. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Sun Alarm Clock | Sunrise Sunset Notification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (27 ratings)](https://appshunter.io/ios/app/sun-alarm-clock/id1556630551/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Freemium | — |
| Size | 34 MB | 4 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Volker Voecking Software Engineering](https://appshunter.io/developer/390175341) | [Ming Liu](https://appshunter.io/developer/6775085293) |

## What reviewers say

### Sun Alarm Clock

[App page](https://appshunter.io/ios/app/sun-alarm-clock/id1556630551)

Wake up to natural celestial events. This app sets alarms for sunrise, sunset, moon phases, and twilight periods, adapting to your location and daylight saving changes. Customize offsets and manage multiple alarms easily.

**Highlights:** Alarms for sunrise and sunset, Moonrise and moonset alarms, Twilight and golden hour alerts, Customizable offsets, Location-aware timing, Supports multiple alarms

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.99 | per month |
| Premium (Yearly) | $9.99 | per year |
| Premium (One-Time Purchase) | $29.99 | one-time |


### Sunrise Sunset Notification

[App page](https://appshunter.io/ios/app/sunrise-sunset-notification/id6791983652)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sun Alarm Clock free?

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

### Is Sunrise Sunset Notification free?

Sunrise Sunset Notification is free to download, with no in-app purchases.

### Do Sun Alarm Clock or Sunrise Sunset Notification have ads?

Neither Sun Alarm Clock nor Sunrise Sunset Notification shows ads.

### Which is updated more often, Sun Alarm Clock or Sunrise Sunset Notification?

Sun Alarm Clock ships an update every 3 months, and Sunrise Sunset Notification weekly. Most recently, Sun Alarm Clock was updated on November 3, 2026 and Sunrise Sunset Notification on November 10, 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.*