SimpleMoon vs SelenaWX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimpleMoon
Get accurate, real-time moon phase and illumination information for any day. Easily navigate through dates and view the moon's appearance for your specific hemisphere. The app works offline and provides upcoming full and new moon dates.
- Real-time moon phase and illumination
- Date navigation and calendar selection
- Offline functionality
- Hemisphere-specific moon views
- Next full and new moon dates
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SimpleMoon provides a simple, elegant view of one thing: the moon phase and illumination for today (or any day you choose). SimpleMoon also shows you when the next full moon and new moon will occur from the "Today" view. So easy to use Tap the navigation buttons at the top or swipe to move between days. Use the calendar icon at the bottom to choose what date you want to see the moon view and illumination. Reliable and accurate SimpleMoon uses advanced mathematical calculations to determine the moon data for that day. It works even if you don't have an internet connection! Northern or Southern Hemisphere Did you know that the moon looks different depending on which hemisphere of the earth you are in? Go to Settings and pick which hemisphere you are in, and you will see the moon as it appears to you in the sky. Special thanks to my children, Alexander and Sophia who helped me design and test the app.
SelenaWX
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The app displays the current moon phase like classic wristwatches. The focus is on widgets for iPhone and iPad and complications for the Apple Watch.
Screenshots
Verdict
The clearest difference is price: SimpleMoon at Free against SelenaWX's $0.99. SimpleMoon also leads on iOS requirement (13.0 vs 26.0). SelenaWX's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support 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
SimpleMoon is free to download; SelenaWX costs $0.99 up front. SimpleMoon sells 1 one-off in-app purchase. SelenaWX asks for nothing beyond the download.
SimpleMoon ships an update every 5 months, SelenaWX every 6 months. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.
| Parameter | SimpleMoon | SelenaWX |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.9 (305 ratings) — better | — |
| Positive reviews | 86.1% of reviews | — |
| Number of ratings | 305 — better | — |
| Update frequency | Every 5 months — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 20 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Tag Along K | Marcel Jannowsky UG (haftungsbeschraenkt) |
Bugs and requests
SimpleMoon
Reported bugs
4 issues- Adult content appearing unexpectedly
- Moon phase accuracy issues reported
- App not rotating on iPads (resolved)
- Displays (null)% and black moon
Requested features
8 requests- Include moon rise and set times
- Add a widget for quick overview
- Allow dragging to scroll through dates
- App icon showing current moon phase
- Southern Hemisphere option
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- Ability to browse history/past dates
- Display date, time, and location
- Improve accuracy of moon phases
SelenaWX
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SimpleMoon
- Remove Ads from SimpleMoon$0.99
SelenaWX
No in-app purchases
Questions
Is SimpleMoon free?
Is SelenaWX free?
Do SimpleMoon or SelenaWX have ads?
Which is updated more often, SimpleMoon or SelenaWX?
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