Report updated Apr 22, 2026

Overview Β· Full Intel report in progress

Sun Calendar is an established weather app that is completely free. With a 4.2/5 rating from 310 reviews, it shows polarized user reception.

What is Sun Calendar?

Sun Calendar is a utility app that provides astronomical data, including moon phases, sunrise and sunset times, and solar positioning. It is designed for users interested in sky tracking, photography, and lunar cycles, offering location-based insights for any date. However, recent user feedback indicates significant stability issues regarding location settings and app navigation.

Current Momentum

v1.2 Β· 7mo ago

Maintenance

Last updated 227d ago. 5 versions tracked.

Competition

Rivals identification in progress

7-Day Rank Pulse πŸ‡ΊπŸ‡Έ

Weather
#98
NEW

Rating Pulse πŸ‡ΊπŸ‡Έ

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Moon TrackingStandard

Provides data on moon phases, lunar meridian crossing, altitude, distance, and zodiac signs.

Solar TimingStandard

Calculates sunrise, sunset, solar noon, and specific lighting periods like golden hour and blue hour.

Location-Based DataStandard

Allows users to adjust settings to view sky information for any specific geographic location.

Twilight and Day LengthStandard

Displays dawn, dusk, and total day or night length for any given date.

How much does it cost?

Free

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

Analysis in progress, available soon

What is the competitive landscape for Sun Calendar?

Where is it available?

Localized markets (1)

United States

How's The Weather Market?

How does it evolve in the Weather market?

Rank progression

16 active rankings tracked β€” 30-day window

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Sun Calendar

Key Takeaways

While the app offers a comprehensive set of astronomical features, critical technical bugs currently prevent many users from changing locations or accessing settings.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Sun Calendar, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. β€œSun Calendar Intelligence Report.” Updated Apr 22, 2026. https://marlvel.ai/apps/com-edwardsapps-sun-calendar

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Data licensed under CC-BY-NC 4.0