Comparison

Cumulus vs Luna

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

Head to head
About

Cumulus

Get real-time weather updates with a visually dynamic interface that adapts to current conditions. View temperature, humidity, wind speed, and multi-day forecasts in a sleek, modern design. Easily search for weather information in any city.

Highlights
  • Real-time weather updates
  • Dynamic background gradients
  • Glassy, modern UI
  • Multi-day forecast card
  • Intuitive city search
Features
Read full description

Key Features: Real‑Time Weather Updates: Automatically fetches current weather data for your location or any city you search for, so you always know what to expect. Dynamic Backgrounds: Experience a visually stunning interface as the app’s background gradient adapts seamlessly to the time of day and weather conditions—rain, snow, drizzle, sun, and more. Glassy, Modern UI: Enjoy a sleek, frosted‑glass design that elegantly displays temperature, weather conditions, wind speed, humidity, and forecast details at a glance. Forecast at a Glance: Check out your upcoming weather with a dedicated forecast card that shows the weather for the next few days—all in one simple view. Intuitive Search: Easily find weather information for any city with our smooth, interactive search popup that makes location selection a breeze.

About

Luna

Features
Read full description

Moon Phases is a privacy-focused moon phase and astronomy app that brings accurate lunar data, solar events, and sky conditions to your location. Whether you plan a photo shoot, plan a stargazing night, or simply want to know when the moon rises, Moon Phases delivers the information you need. MOON PHASES View the current moon phase with a clear visual representation and illumination percentage. See moonrise and moonset times for any selected date. Moon Phases displays all eight phases: New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, and Waning Crescent. Each phase includes a brief description for accessibility. ASTRONOMY DATA Access detailed lunar metrics: distance from Earth in kilometers or miles, altitude above the horizon, moon age since the new moon, and illumination percentage. Each value includes an info button with an explanation. Units are configurable in Settings. UPCOMING PHASES Plan ahead with upcoming major moon phases. See when the next full moon, new moon, or quarter phase occurs and how many days remain. SKY CONDITIONS Check observation quality with a score from 0 to 100 based on cloud cover, wind, and humidity. View a 24-hour cloud coverage chart to find the best windows for stargazing or photography. See current wind speed and humidity, clear sky windows when available, and precipitation probability. PHOTOGRAPHER TOOLS Solar events: sunrise, solar noon, and sunset times for your location. Golden hour and blue hour ranges for soft, warm light and twilight photography. Moon phase tips tailored to each phase, from Milky Way shots during the new moon to detailed lunar surface shots during the full moon. Shooting conditions combine moon phase and sky data to rate the suitability for photography. LOCATION Use your device location for automatic updates, or enter a city manually. Your choice of location is saved and restored when you reopen the app. CUSTOMIZATION Choose 12-hour or 24-hour time format. Switch between light, dark, or system theme. Set distance units to kilometers or miles and wind speed to km/h or mph. All preferences apply across the app and widgets. HOME SCREEN WIDGETS Add small, medium, or large widgets to your home screen. See moon phase, illumination, moonrise and moonset, sunrise and sunset, and observation quality at a glance. ACCESSIBILITY LunaTrack supports VoiceOver, Voice Control, Larger Text, Dark Interface, Differentiate Without Color, Sufficient Contrast, and Reduced Motion. All interactive elements have clear labels and hints. Text uses a rounded design for readability. PRIVACY No subscriptions. No tracking. Moon Phases uses your location only to calculate moon and sun times for your area. Weather data comes from Open-Meteo. No account is required for core features. Moon Phases is built for photographers, astronomers, and anyone who appreciates the moon and the sky.

Screenshots

Cumulus4 screens
Luna4 screens

Verdict

The call

The clearest difference is in-app purchases: Cumulus at none against Luna's 1. Cumulus also leads on device support (4 vs 1) and iOS requirement (18.0 vs 26.0). On price and ads 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. Luna sells 1 one-off in-app purchase. Cumulus asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Cumulus versus Luna: the parameters behind the verdict, then further details
ParameterCumulusLuna
PriceFreeFree
Rating4.5 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone
Requires iOS18.0 — better26.0
Further details — not scored
Size100 MB3 MB
Age rating4+4+
DeveloperJosh MansfieldEmre Erkis

In-app purchases

None

Cumulus

No in-app purchases

1 purchases

Luna

One-time1
  • Premium$9.99

Questions

Is Cumulus free?
Cumulus is free to download, with no in-app purchases.
Is Luna free?
Luna is free to download, with in-app purchases available.
Do Cumulus or Luna have ads?
Neither Cumulus nor Luna shows ads.

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