Where is the Sun

Where is the Sun

By Xing Chen

Where is the Sun is a utility app for iOS that visualizes solar trajectories and sunlight exposure for specific locations.

The App DNA

What makes this app unique?

Users hire the app to evaluate property sunlight or plan photography sessions, solving the need for precise, location-based solar data.

For Photographers, travelers, and homeowners seeking to understand sunlight patterns for planning or property evaluation.

What does it look like?

Key features

Sun Trajectory Trackingstandard

Visualizes the sun's path across the sky for specific locations and times.

Insolation Analysisedge

Calculates sunlight exposure for windows to determine room temperature and lighting implications.

Photography Planningstandard

Identifies optimal times for lighting conditions to assist in photo composition.

How much does it cost?

freeFree

The app is distributed as a free utility without visible in-app purchase or subscription gates.

Velocity

Dormant developmentopaqueShow more...

The app has reached a zombie state, with no updates or feature releases in over five years. The last recorded activity was a minor patch addressing a Daylight Saving time issue in early 2021. There is no evidence of ongoing development or maintenance for this application.

See all version history

Who built it?

Xing Chen

1 app tracked · Utilities

Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.58 · 12

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Where is the Sun

How's the Utilities market?

Where is the Sun occupies a niche utility space with a 4.58-star rating on the iOS App Store. The lack of updates since 2021 suggests a stagnant market position that relies on legacy utility rather than active growth.

Read the market outlook

The rivals identified

Lumos: Sun and Moon Tracker

By Luminous Labs

Both apps target photographers and homeowners needing solar trajectory data, creating direct competition for users planning lighting or property exposure.

  • Lumos integrates augmented reality and map-based projections for visual planning, whereas Where is the Sun lacks these interactive modes.
  • Lumos supports professional solar installation planning, while Where is the Sun focuses primarily on property evaluation and photography.
Where is the Sun vs Lumos: Sun and Moon Tracker
Show 2 more

Unlock the head-to-head verdict: where this rival wins, and where it loses.

Access the full report for free

The Analyst's Read

Key takeaways for Where is the Sun

Where is it heading?

Market demand for solar-tracking utilities is shifting toward augmented reality and real-time weather integration. Where is the Sun remains a static utility, which leaves it exposed to churn as users migrate to apps that offer interactive, live-data experiences.

  • The five-year update gap indicates a lack of active maintenance, which increases the likelihood of crashes on modern hardware.
  • The absence of modern UI/UX standards compared to current utility apps will likely accelerate user attrition to more responsive alternatives.

The SWOT

Core Strengths
  • Insolation analysis provides a specific, high-utility mechanism for property evaluation.
Critical Frictions 1 weakness inside
Growth Levers
  • Integrating augmented reality overlays would create a defensible barrier.
Market Threats 1 threat identified

Next best moves

1 Maintain

Audit technical compatibility because the app has not been updated in 64 months → ensure basic OS stability

The counter-intuitive read

The app's five-year silence is not just a weakness…

Read the full take

Since the last report: The analysis shifted from a general maintenance-mode warning to a more targeted critique of the app's lack of modern features like augmented reality and real-time data.

Bottom line

Where is the Sun provides a valuable, specialized tool for property and lighting analysis, but its five-year development freeze creates a critical reliability risk, so the developer must prioritize a technical audit to ensure basic OS compatibility.

Unlock 1 critical friction, 1 market threat and the analyst’s take.

Access the full report for free

Sources

  1. [1] App Store, source

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 Where is the Sun, 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 analysis shifted from a general maintenance-mode warning to a more targeted critique of the app's lack of modern features like augmented reality and real-time data.

shifted

Opportunity Pivot

shifted

Contrarian Perspective

added

UI/UX Obsolescence Signal

Cite this report

Marlvel.ai. “Where is the Sun Intelligence Report.” Updated Aug 8, 2026. https://marlvel.ai/apps/where-is-the-sun

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