Comparison

Moon Phase Calendar Offline vs Mooncaster

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 Offline

Features
Read full description

The offline lunar calendar built for biodynamic gardeners, astrophotographers, anglers, and stargazers. Zero ads, zero tracking, zero in-app purchases. NASA-grade accuracy from 1900 to 2100. 100% OFFLINE — FOREVER Never needs internet. Open in airplane mode. No accounts, no login, no cloud. The math runs locally on your device using Meeus astronomical algorithms — the same equations professional observatories rely on. BIODYNAMIC GARDENING CALENDAR Sow, plant, and harvest by the moon. Each day is classified as a Root, Leaf, Flower, or Fruit day following the Maria Thun method — the sidereal zodiac convention used by certified Demeter biodynamic farms across Europe. ASTROPHOTOGRAPHY & GOLDEN HOUR - Golden hour and blue hour for every sunrise and sunset - Dark sky window — when the moon is below the horizon during astronomical night - Milky Way visibility with galactic center altitude - 8 major annual meteor showers with moon-interference rating - Eclipse path visualizations for 2024–2030 SOLUNAR FISHING & HUNTING TIMES Major and minor solunar feeding windows for every day, every location. Based on Knight's solunar theory and verified against In-Fisherman magazine tables. Star rating per day so you plan trips at peak activity. LUNAR CALENDAR 1900–2100 - All four moon phases: new, first quarter, full, last quarter - Supermoons, blue moons, blood moons, harvest moons - TOTAL SOLAR ECLIPSE August 2, 2027 across Spain, Gibraltar, Morocco, Algeria, Libya, Egypt - Lunar age, illumination percentage, distance from Earth - Moonrise and moonset for your exact location - Tropical and sidereal zodiac sign for every day STARGAZING ESSENTIALS - Civil, nautical, and astronomical twilight - Sun and moon altitude/azimuth for any moment - Constellation the moon is currently passing through - Compass overlay for moon and sun position PRIVACY PROMISE - Zero ads - Zero tracking - Zero analytics - Zero in-app purchases - Zero data collection - Zero internet required We don't sell your data because we don't collect any. ASTRONOMICAL EVENTS 2026–2030 - Mar 3 2026 — Total lunar eclipse, Pacific & Americas - Aug 12 2026 — Total solar eclipse, Greenland, Iceland, Spain - Mar 3 2027 — Total lunar eclipse, Americas & Europe - AUG 2 2027 — TOTAL SOLAR ECLIPSE across Southern Europe and North Africa - Jul 22 2028 — Total solar eclipse, Australia & New Zealand Full eclipse table inside the app.

About

Mooncaster

This app predicts promising moonrise viewing opportunities by combining lunar data with local weather forecasts. It provides scores and alerts to help you plan the best time and place to observe the moon.

Highlights
  • Curated list of promising moonrises
  • Astronomy and weather scoring
  • Customizable alerts
  • Interactive direction map
  • Home Screen Widget
  • 45-day lunar outlooks
Features
Read full description

Know when a moonrise is truly worth heading outside for. Mooncaster goes beyond moonrise times. It combines precise lunar geometry with local Apple Weather forecasts to show how promising the view may be, when to be ready, and where to look. Whether you’re planning a photograph, choosing a viewpoint, or simply hoping to catch a beautiful Moon near the horizon, Mooncaster turns complex astronomy and weather data into a clear plan. FIND THE BEST MOONRISES • Browse a curated list of astronomically promising moonrises • See every upcoming visible moonrise or build your own custom view • Filter by illumination, cloud cover, visibility, and timing near sunset •View today's moonrise or moonset in a Home Screen Widget. PLAN WITH SCORES YOU CAN UNDERSTAND • Astronomy Score rates illumination, timing, and the Moon’s near-horizon climb • Weather Score considers cloud cover and visibility during the viewing window • Moonrise Score brings astronomy and weather together in one 0–100 rating • Forecast confidence—High, Medium, Low, or Pending—shows how much trust to place in the current outlook KNOW WHEN AND WHERE TO LOOK • View moonrise and moonset times, phase, illumination, direction, and compass bearing • See how quickly the Moon climbs and follow its arc across the sky • Use an interactive direction map to fine-tune your viewing position STAY AHEAD OF CHANGING WEATHER • Check conditions focused on the moonrise viewing window—not just a generic daily forecast • Review cloud cover, visibility, and recent forecast trends • Refresh on demand; Mooncaster also updates weather and alerts in the background when iOS allows GET THE RIGHT ALERT AT THE RIGHT TIME Auto Mode watches your Best Moonrises and schedules alerts only when an astronomically promising event receives a favorable, reliable forecast. You can also set manual alerts for any moonrise you choose. Pick from the morning of the event, 6 hours, 1 hour, 30 minutes, 15 minutes before, or right at moonrise. EXPLORE MORE WITH MOONRISE PRO Mooncaster includes a complimentary seven-day preview of every feature. The preview does not automatically start a subscription, and a limited one-location view remains available afterward. Moonrise Pro unlocks: • Unlimited saved locations • Complete 45-day lunar outlooks, with weather added as forecast data becomes available • Full upcoming moonrise lists and detailed forecasts • Interactive direction maps • Automatic and custom scheduled alerts Choose monthly or annual access, or make a one-time lifetime purchase. Monthly and annual subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Forecasts and scores are planning aids, not guarantees. Terrain, buildings, haze, and other local obstructions may affect what you see. Weather data is provided by Apple Weather. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.catspaw-systems.com/PrivacyPolicies/MooncasterPrivacy.html

Screenshots

Moon Phase Calendar Offline4 screens
Mooncaster4 screens

Verdict

The call

The clearest difference is in-app purchases: Moon Phase Calendar Offline at none against Mooncaster's 3. Moon Phase Calendar Offline also leads on iOS requirement (13.0 vs 18.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Mooncaster sells 3 in-app purchases, starting at $0.99 per month. Moon Phase Calendar Offline asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Moon Phase Calendar Offline versus Mooncaster: the parameters behind the verdict, then further details
ParameterMoon Phase Calendar OfflineMooncaster
PriceFreeFree
Rating—4.5 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequency—Every 4 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size34 MB42 MB
Age rating4+4+
Developerlapnito.cz s.r.o.Catspaw Systems LLC

In-app purchases

None

Moon Phase Calendar Offline

No in-app purchases

3 purchases

Mooncaster

Subscriptions2
  • Monthly Mooncaster Subscription$0.991 Month
  • Mooncaster Annual Subscription$9.991 Year
One-time1
  • Mooncaster Lifetime Access$14.99

Questions

Is Moon Phase Calendar Offline free?
Moon Phase Calendar Offline is free to download, with no in-app purchases.
Is Mooncaster free?
Mooncaster is free to download, with in-app purchases available.
Do Moon Phase Calendar Offline or Mooncaster have ads?
Neither Moon Phase Calendar Offline nor Mooncaster shows ads.

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