Sun Moon Times is a photography utility app for iOS that calculates golden and blue hour windows based on sun height.

The App DNA

What makes this app unique?

Photographers hire this tool to identify precise lighting conditions for outdoor shoots, while parents use it to track sun exposure for health purposes.

For Outdoor photographers seeking optimal lighting conditions and parents looking for scientific guidance on sun exposure for children.

What does it look like?

Key features

Golden and Blues Moment Calculationedge

Calculates specific time windows for photography based on sun height between 6 and -6 degrees

Local Sunrise and Sunset Trackingstandard

Provides daily sunrise and sunset times based on geographical location

Sunlight Exposure Guidanceedge

Determines optimal sun exposure times for health and vitamin D synthesis

How much does it cost?

freeFree version with no listed IAP

The app operates as a free utility, using brand partnerships and affiliate links to the official store as the primary commercial mechanism.

Velocity

Dormant developmentopaqueShow more...

The app has not received a single update in over three years, indicating a complete cessation of development. The last recorded release was a minor maintenance patch, and there has been no activity since mid-2022. The project is effectively abandoned, with no evidence of ongoing support, feature development, or live operations.

See all version history

Who built it?

KissShell Technology (Beijing) Co.

1 app tracked · Photo & Video

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Sun Moon Times

How's the Photo & Video market?

Sun Moon Times occupies a static utility position within the Photo & Video category, having received no updates since July 2022. The lack of recent activity relative to active competitors signals a high risk of user churn to more frequently maintained photography tools.

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The rivals identified

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The Analyst's Read

Key takeaways for Sun Moon Times

Where is it heading?

The photography utility market is consolidating around apps that offer hardware integration and frequent workflow updates. Sun Moon Times remains static, which will likely lead to a gradual decline in user engagement as photographers migrate to tools that keep pace with camera technology.

  • The absence of updates since July 2022 signals a maintenance-only posture, which erodes user trust and prevents the app from competing with modern photography tools.

The SWOT

Core Strengths
  • Scientific calculation of light-intensity windows provides a clear, objective value proposition for technical photographers.
Critical Frictions 1 weakness inside
Growth Levers
  • Integration with wearable devices could provide real-time location-based lighting alerts, filling a gap in the current feature set.
Market Threats 1 threat identified

Next best moves

1 Maintain

Audit user retention metrics because the app has not been updated since July 2022 → determine if the product is viable.

The counter-intuitive read

The app's lack of updates is a feature, not a bug…

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Feature gaps

Hardware-integrated Bluetooth remote input (available in Cascable Recipe Input) +1

Since the last report: The report status has moved from stable to declining, with the PM strategy shifting from monetization growth to a viability audit due to prolonged inactivity.

Bottom line

Sun Moon Times provides a useful technical utility for photographers, but the lack of updates since 2022 leaves it vulnerable to more active competitors, so the PM should prioritize a viability audit to decide between a feature refresh or sunsetting.

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Report last updated

Disclosure: Independent intel to help mobile builders succeed.

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

What's new

The report status has moved from stable to declining, with the PM strategy shifting from monetization growth to a viability audit due to prolonged inactivity.

declined

Outlook Trend

added

Feature Gap Expansion

added

SWOT Updates

shifted

PM Action Pivot

Cite this report

Marlvel.ai. “Sun Moon Times Intelligence Report.” Updated May 13, 2026. https://marlvel.ai/apps/sun-moon-times

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