Comparison

Day & Night Map 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

Day & Night Map

Visualize the Earth's day and night cycles on an interactive world map. Select any date and time to see current illumination, or create animated GIFs of changing light patterns.

Highlights
  • Real-time day/night map
  • Selectable date and time
  • Animated GIF creation
  • Minute-by-minute updates
  • Global illumination visualization
Read full description

Day & Night Map shows you exactly which parts of Earth are in daylight and which are in darkness — right now, or at any date and time you choose. Watch the terminator move across the globe as hours and days pass. Explore sunrise, sunset, and twilight around the world. Perfect for travellers, astronomers, photographers, teachers, and anyone curious about time on our planet. KEY FEATURES • Live world map of day and night • Move through time with intuitive date and time controls • Jump back to the current moment with one tap • Pinch to zoom and pan across the map • Full-screen map view • Home Screen widgets in multiple sizes (including Extra Large on iPad) • Configurable widgets: sun, moon, moon phase, twilight, icon size, and more • Show sun and moon positions on the map • Display the current moon phase • Twilight zones: smooth shading or separate civil, nautical, and astronomical twilight • Equator and tropics lines • Show your current location on the map (optional) • Display time in local time or UTC • Light, dark, or system appearance • Share a map image by email, message, and more • Create animations over a chosen time range • Export animations as animated GIFs ANIMATIONS Pick a start and end date, set the step interval and speed, and watch the day/night line move over hours or days. Play the animation in the app or create an animated GIF to share. HOME SCREEN WIDGET Add the widget to your Home Screen and keep the current day/night map at a glance. Customize what is shown and how it looks directly when adding or editing the widget.

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.

Screenshots

Day & Night Map4 screens
Moon Phase Keeper4 screens

Verdict

The call

The clearest difference is price: Day & Night Map at Free against Moon Phase Keeper's $2.99. Moon Phase Keeper's advantage is update cadence (weekly vs every 7 months). On ads, in-app purchases, 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

Day & Night Map is free to download; Moon Phase Keeper costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Day & Night Map ships an update every 7 months, Moon Phase Keeper weekly. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level
Day & Night Map versus Moon Phase Keeper: the parameters behind the verdict, then further details
ParameterDay & Night MapMoon Phase Keeper
PriceFree — better$2.99
Rating4.8 (1.4K ratings) — better—
Positive reviews76.3% of reviews—
Number of ratings1.4K — better—
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size48 MB3 MB
Age rating4+4+
DeveloperVolker Voecking Software EngineeringHuseyin Bagana

Bugs and requests

Day & Night Map

Reported bugs

2 issues
  • Moon position not displayed on iPad
  • Daylight savings time not working properly

Requested features

4 requests
  • Option to keep noon at center and have map move
  • Show analemma and sun position on it
  • 24-hour clock setting for widget
  • Improve moon position display on iPad

Moon Phase Keeper

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Day & Night Map

No in-app purchases

None

Moon Phase Keeper

No in-app purchases

Questions

Is Day & Night Map free?
Day & Night Map is free to download, with no in-app purchases.
Is Moon Phase Keeper free?
Moon Phase Keeper costs $2.99, with no in-app purchases.
Do Day & Night Map or Moon Phase Keeper have ads?
Neither Day & Night Map nor Moon Phase Keeper shows ads.
Which is updated more often, Day & Night Map or Moon Phase Keeper?
Day & Night Map ships an update every 7 months, and Moon Phase Keeper weekly. Most recently, Day & Night Map was updated on October 19, 2026 and Moon Phase Keeper on October 9, 2026.

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