Moon phases assist vs The Moon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Moon phases assist
Visually learn about moon phases and celestial body positions. Interactive diagrams help answer questions about why the moon changes appearance and how the sun's height varies with seasons. Understand the solar system through intuitive overhead and celestial sphere views.
- Visual moon phase learning
- Celestial body position diagrams
- Interactive dial for position checking
- Answers to astronomy questions
- Overhead and celestial sphere views
- Improved features through overhaul
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This app allows you to visually learn about the different phases of the moon depending on the positions of the moon, the Earth, and the Sun. The app has undergone a major overhaul to improve its features! Why does the moon have different phases? Why does the height of the Sun change depending on the season? These diagrams provide easy answers to these questions! You can intuitively grasp the positions of the Sun, the Earth, and the moon through overhead and celestial sphere diagrams! What are the positions of the Sun and the moon during a full moon? Where is the Sun when the waning crescent transits the meridian? You can answer these questions by turning the dial and checking their positions! ※The size and distance of celestial objects are not drawn to scale but exaggerated for easier understanding. ※For easier understanding, the Earth's orbit is made circular instead of elliptic while the inclination of the moon's orbit has been omitted.
The Moon
Explore the moon with stunning realism and accuracy. This app provides real-time rendering of lunar phases, liberations, and orbital positions. Access a yearly calendar of moon phases and view the moon's location on an Earth map.
- Real-time moon rendering
- Accurate lunar phase visualization
- Intuitive time controller
- Yearly moon phase calendar
- Earth map with moon position
- User-friendly interface
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Experience the moon with detailed accuracy using The Moon - Simulation App. Designed for moon enthusiasts, astronomers, and anyone interested in our celestial neighbor, this app offers precise information and a user-friendly interface, allowing you to observe the moon in real-time. Key Features: - Real-Time Moon Rendering: Witness the moon's phases, liberations, and apogee/perigee with astonishing realism and accuracy. Use the intuitive time controller to seamlessly move forwards or backwards, witnessing the Moon's phases unfold continuously. Or, simply pick a specific date and time to jump to using the time picker. - High Realism and User-Friendly Interface: The Moon app is designed to provide the highest level of realism, ensuring accurate depictions of the moon's behavior while maintaining an intuitive and easy-to-navigate interface. - Yearly Moon Phase Calendar: Select any year to view a detailed list of significant moon phases (full, new, half), along with the precise date and time of each phase. Click on any event to jump to that specific time instance. Also, explore moon's maximum declination and apogee/perigee (maximum distances) effortlessly. - Earth Map with Moon Position: View the moon's current overhead position on the map. You can also select your location to see the parallactic angle of the moon phase, offering a unique perspective based on your geographic location.
Screenshots
Verdict
The clearest difference is rating: The Moon at 4.9 against Moon phases assist's 3.5. The Moon also leads on ads (none vs shown) and review sentiment (100% vs 67%). Moon phases assist's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 6 months). On price, device support and iOS requirement 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
Both are free to download. The Moon sells 1 one-off in-app purchase. Moon phases assist asks for nothing beyond the download.
The Moon holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: The Moon has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Moon phases assist's written reviews are positive against 100% of The Moon's.
Moon phases assist ships an update every 3 weeks, The Moon every 6 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | Moon phases assist | The Moon |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) | 4.9 (14 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 14 — better |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Plus Inc. (Japan) | Othman Alzahrani |
Customer experience
Moon phases assist
The Moon
In-app purchases
Moon phases assist
No in-app purchases
The Moon
- Support The Moon App$0.99
Questions
Is Moon phases assist free?
Is The Moon free?
Which has better reviews, Moon phases assist or The Moon?
Do Moon phases assist or The Moon have ads?
Which is updated more often, Moon phases assist or The Moon?
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