Mooncast vs Sun Alarm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mooncast
Discover the current phase of the moon with stunning visuals and precise data. Explore the lunar cycle, track upcoming full and new moons, and access historical and future lunar information. This app offers a beautiful and accurate way to stay informed about celestial events.
- High-fidelity moon phase visuals
- Interactive lunar timeline
- Accurate full and new moon predictions
- Long-term lunar almanac
- Precise peak moon timestamps
- Smart lunar event reminders
- Customizable visual themes
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Mooncast is a beautifully crafted app showcasing the current phase of the moon with precision and clarity. This app is designed for both casual curiosity and serious sky-watchers. Explore the lunar cycle in rich visual detail, swipe through days to see past and future phases, and instantly find the next full moon or new moon. Mooncast gives you accurate lunar data for any date between 2011 and 2035, including the exact moment the moon becomes perfectly full. Features: - Stunning, high-fidelity moon phase visuals - Interactive timeline — swipe to explore any day - Accurate predictions for full moons, new moons, and all lunar phases - Built-in almanac for long-term browsing and planning - Precise timestamps for peak full moon and new moon - Smart reminders for full moon and new moon events - Customizable look - pick your favorite sky and clouds - Several types of widgets and accessories are available Extensive coverage: - available on iPhone, iPad, Mac, Apple Watch and Apple TV International support: - Fully localized in English, French, Spanish, Italian, German, Russian - Works seamlessly with all locales and calendar systems Mooncast is simple to use, scientifically accurate, and visually refined — the lunar calendar you’ll actually enjoy checking every day.
Sun Alarm
Never miss a sunrise or sunset with this app. It calculates solar event times for your location and allows you to set custom notifications. Stay in sync with natural light cycles for photography or daily planning.
- Sunrise and sunset time calculation
- Customizable event notifications
- Real-time location updates
- Countdown to sun events
- 12/24 hour time format toggle
- Apple Watch support
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Don't miss a sunrise or sunset again. Whether you want to live with the sun, do nice photos or just want to know when it's getting dark. This app calculates the sunrise and sunset times for your current location and lets you set up a notification for each event. Features: - Set alarms for sunset and -rise independently - Fires the notification before, after or at the exact time - Counts down to the next sun events - Updates while you move to the sunrise/set times of your current location - Toggle between 12 and 24 hours - Supports the Apple Watch - iPad multitasking (split-view) support
Screenshots
Verdict
The clearest difference is review sentiment: Mooncast at 91% against Sun Alarm's 0%. Mooncast also leads on rating (4.8 vs 3.0) and update cadence (every 11 days vs every 3 months). Sun Alarm's advantage is price ($1.99 vs $3.99) and iOS requirement (15.6 vs 18.0). On ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Mooncast costs $3.99 and Sun Alarm $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Mooncast holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Mooncast has 3.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of Mooncast's written reviews are positive against 0% of Sun Alarm's.
Mooncast ships an update every 11 days, Sun Alarm every 3 months. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.
| Parameter | Mooncast | Sun Alarm |
|---|---|---|
| Price | $3.99 | $1.99 — better |
| Rating | 4.8 (3.6K ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 91.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 3.6K — better | 2 |
| Update frequency | Every 11 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #87 — better | — |
| Devices | iPhone, iPad, Mac, Apple TV, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 64 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Mathieu Routhier | Piet Jonas |
Customer experience
Mooncast
Sun Alarm
Bugs and requests
Mooncast
Reported bugs
2 issues- 🐛 Alarms don't always work
- 🐛 Incompatible with older devices
Requested features
4 requests- 💡 Show what zodiac sign the moon is in
- 💡 Add moon rise and set times
- 💡 Allow setting custom reminder times
- 💡 Add a monthly calendar view
Sun Alarm
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mooncast
No in-app purchases
Sun Alarm
No in-app purchases
Questions
Is Mooncast free?
Is Sun Alarm free?
Which has better reviews, Mooncast or Sun Alarm?
Do Mooncast or Sun Alarm have ads?
Which is updated more often, Mooncast or Sun Alarm?
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