# Sun Alarm Clock vs Moon Phases

The clearest difference is ads: Sun Alarm Clock at none against Moon Phases's shown. Moon Phases's advantage is update cadence (monthly vs every 3 months) and iOS requirement (18.0 vs 26.1). On price, in-app purchases 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 and Moon Phases sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sun Alarm Clock ships an update every 3 months, Moon Phases monthly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sun Alarm Clock | Moon Phases |
| --- | --- | --- |
| 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 | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Freemium | — |
| Size | 34 MB | 35 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Volker Voecking Software Engineering](https://appshunter.io/developer/390175341) | [Pocket Grove Ltd](https://appshunter.io/developer/954373766) |

## 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 |


### Moon Phases

[App page](https://appshunter.io/ios/app/moon-phases-lunar-tracker/id6760960352)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moon Phases Pro | $2.99 | one-time |


## Frequently asked questions

### Is Sun Alarm Clock free?

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

### Is Moon Phases free?

Moon Phases is free to download, with in-app purchases available.

### Do Sun Alarm Clock or Moon Phases have ads?

Moon Phases shows ads; Sun Alarm Clock does not.

### Which is updated more often, Sun Alarm Clock or Moon Phases?

Sun Alarm Clock ships an update every 3 months, and Moon Phases monthly. Most recently, Sun Alarm Clock was updated on October 24, 2026 and Moon Phases on October 31, 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.*