Comparison

Moon Phase Calendar & Tracker vs Moon Phase Keeper

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Moon Phase Calendar & Tracker

Track the lunar cycle with a realistic 3D moon simulation. Visualize its position on a map, access a comprehensive calendar with rise/set times and illumination percentages, and receive custom notifications for celestial events and eclipses. Includes detailed astronomical data and customizable home screen widgets.

Highlights
  • Realistic 3D live moon simulation
  • Interactive moon position map
  • Comprehensive lunar calendar
  • Smart custom notifications
  • Deep astronomical data
  • Beautiful home screen widgets
  • Global location support
Features
Read full description

Discover the Moon in Stunning 3D Detail Track the lunar cycle with precision and beauty. Whether you are a photographer planning a shoot, an astronomy enthusiast, or someone who simply loves the night sky, this is the ultimate Moon Phase companion for your iPhone. We combine scientific accuracy with a gorgeous user interface to bring you the most realistic 3D moon simulation available on the App Store. KEY FEATURES Realistic 3D Live Moon Interact with a high-fidelity 3D model of the moon that reflects the current phase in real-time. Zoom in to see the craters and shadows exactly as they appear in the sky right now. Interactive Moon Position Map Visualize exactly where the moon is located relative to your surroundings. * Map View: See the moon's trajectory overlaid on a map of your current location. * Time Slider: Drag the slider to predict where the moon will be later in the day—perfect for lining up the perfect photo. * Compass Orientation: Easily determine moonrise and moonset directions. Comprehensive Lunar Calendar Plan ahead with our intuitive monthly calendar. * Daily Phases: Quickly see if the moon is Waxing, Waning, or Full. * Illumination %: Get precise illumination data for every day of the month. * Rise & Set Times: Know exactly when the moon will appear on the horizon. Smart Custom Notifications Never miss a celestial event again. Customize alerts to fit your schedule: * Phase Alerts: Get notified for the New Moon, Full Moon, and other key phases. * Eclipse Tracker: Receive alerts for upcoming Solar and Lunar eclipses. * Daily Summaries: Get a daily briefing on moonrise, moonset, and culmination times. * Time-Based Alerts: Set reminders 20 minutes before moonrise so you never miss the view. Deep Astronomical Data Go beyond the basics with pro-level data points: * Azimuth & Altitude: Precise positioning coordinates. * Distance: Real-time distance to both the Earth and the Sun. * Libration & Position Angle: Advanced data for astronomy buffs. * Moon Age: Track exactly how many days have passed since the last New Moon. Beautiful Home Screen Widgets Customize your iPhone with stunning widgets that keep you connected to the cosmos. * Multiple Sizes: Choose from small or medium widgets. * Multi-Location: Track moon phases for New York, London, Sydney, or any city you choose directly from your home screen. * At-a-Glance Info: See rise/set times and current phase without opening the app. Global Location Support Add and save unlimited locations. Track the lunar cycle for your current GPS location or check the moon phase for your favorite travel destinations around the world. Why Download? * Accuracy: Data calculated for your specific coordinate. * Design: A clean, dark-mode-first interface that looks great on your OLED display. * Utility: From "Is it a full moon tonight?" to "What is the moon's azimuth?"—we answer it all. Download now and start exploring the night sky!

About

Moon Phase Keeper

Features
Read full description

MoonKeeper is your essential companion for tracking lunar phases and planning activities around the moon's cycle. FEATURES: • Real-time Moon Phase Display - See the current moon phase with beautiful, accurate visualizations • Moon Phase Calendar - View past and future moon phases at a glance • Phase Notifications - Get alerts for full moons, new moons, and other significant phases • Crown Calculator - Calculate moon phases for any date • Multiple Themes - Choose from light, dark, and system themes • 34 Languages Supported - Use MoonKeeper in your native language Perfect for: • Photographers planning night shoots • Gardeners following lunar planting calendars • Fishermen tracking the best fishing times • Astronomers and stargazers • Anyone curious about the moon MoonKeeper combines accuracy with elegance, providing everything you need to stay connected with Earth's celestial companion. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ioscorner.com/privacy.html

Screenshots

Moon Phase Calendar & Tracker4 screens
Moon Phase Keeper4 screens

Verdict

The call

The clearest difference is price: Moon Phase Calendar & Tracker at Free against Moon Phase Keeper's $2.99. Moon Phase Calendar & Tracker also leads on update cadence (every 2 days vs every 9 days). Moon Phase Keeper's advantage is in-app purchases (none vs 1). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

Moon Phase Calendar & Tracker is free to download; Moon Phase Keeper costs $2.99 up front. Moon Phase Calendar & Tracker sells 1 one-off in-app purchase. Moon Phase Keeper asks for nothing beyond the download.

UpkeepUpdate frequency

Moon Phase Calendar & Tracker ships an update every 2 days, Moon Phase Keeper every 9 days. Both last shipped on October 31, 2026.

Scorecard3 real differences · 7 level
Moon Phase Calendar & Tracker versus Moon Phase Keeper: the parameters behind the verdict, then further details
ParameterMoon Phase Calendar & TrackerMoon Phase Keeper
PriceFree — better$2.99
Rating4.8 (33 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings33 — better—
Update frequencyEvery 2 days — betterEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.0 — better
Further details — not scored
Size136 MB3 MB
Age rating4+4+
DeveloperDaniel McAleeseHuseyin Bagana

In-app purchases

1 purchases

Moon Phase Calendar & Tracker

One-time1
  • Hey Moon Pro$3.99
None

Moon Phase Keeper

No in-app purchases

Questions

Is Moon Phase Calendar & Tracker free?
Moon Phase Calendar & Tracker is free to download, with in-app purchases available.
Is Moon Phase Keeper free?
Moon Phase Keeper costs $2.99, with no in-app purchases.
Do Moon Phase Calendar & Tracker or Moon Phase Keeper have ads?
Neither Moon Phase Calendar & Tracker nor Moon Phase Keeper shows ads.
Which is updated more often, Moon Phase Calendar & Tracker or Moon Phase Keeper?
Moon Phase Calendar & Tracker ships an update every 2 days, and Moon Phase Keeper every 9 days. Most recently, Moon Phase Calendar & Tracker was updated on October 31, 2026 and Moon Phase Keeper on October 31, 2026.

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