Report updated Apr 3, 2026

What Is Ephemeris: Sun and Moon Seeker?

Ephemeris: Sun and Moon Seeker is a professional-grade planning tool for photographers, specifically those focusing on landscapes and astrophotography. It provides high-precision data for celestial alignments using AR and 3D visualization. While highly accurate, the app faces significant user backlash regarding its aggressive subscription onboarding and UX friction.

What users think iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Mixed
High Accuracy and Utility
Aggressive Subscription Model... Show more

What does it look like?

What are the key features?

AR Live ViewDifferentiator

Visualizes the position and movement of the Sun, Moon, and Milky Way in real-time using augmented reality.

3D CompassStandard

Determines precise celestial object positions and paths for any location and date.

Time MachineDifferentiator

Allows users to preview celestial positions for any past or future date and time.

Sun and Moon CalculatorStandard

Calculates optimal dates and times for specific lighting or celestial alignments.

Smart NotificationsBasic

Sends alerts for unique scenes and celestial events.

What do users think? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Mixed

Recent user voice shows a mixed sentiment. Users appreciate high accuracy and utility and visual design, but report aggressive subscription model and poor ux and onboarding.

What Users Love

High Accuracy and Utility

sooo fricken handy for planning shoots

more accurate than those other stellar sky planet for sun and moon

Visual Design

absolutely gorgeous app

3D globe is really futuristic

Pain Points

Aggressive Subscription Model

Making you accept auto subscription to try is a shady business practice

can't even use one feature on this app without paying

Poor UX and Onboarding

UI is not intuitive

imposing intro screen with a tinnie-weenie 'X' to close

High confidence · 2.6K reviews available

What are the pros and cons?

Pros

  • High-precision astronomical data
  • Advanced AR and 3D visualization tech
  • Strong developer reputation in the astronomy niche

Cons

  • Aggressive and confusing subscription onboarding
  • Significant rating gap between iOS and Android
  • Non-intuitive UI navigation

What is the market outlook?

Growth Opportunities

  • Integrate weather and cloud cover data to displace secondary apps
  • Introduce a more transparent 'one-time purchase' tier for pro users
  • Develop in-app educational content to reduce UX friction

Market Threats

  • Dominance of PhotoPills as the industry standard
  • Emergence of minimalist AR competitors like Lumos
  • Platform-level integration of solar tracking into native OS apps

Who competes with Ephemeris: Sun and Moon Seeker?

Contenders

Lumy

Lumy

Raja V

Focuses on the aesthetic and timing aspects of golden/blue hours with a premium user experience.

+

Focuses on the aesthetic and timing aspects of golden/blue hours with a premium user experience.

Sunset Predictions: Alpenglow

Sunset Predictions: Alpenglow

Andrew Yates

Competes for the landscape photographer's attention by predicting the quality of sunrises and sunsets.

+

Competes for the landscape photographer's attention by predicting the quality of sunrises and sunsets.

Peers

Stellarium Mobile - Star Map

Stellarium Mobile - Star Map

Noctua Software Ltd

Essential for the astrophotography segment of the user base to plan night sky shots.

+

Essential for the astrophotography segment of the user base to plan night sky shots.

SkySafari

SkySafari

Simulation Curriculum Corp.

Professional-grade sky simulation used by serious astrophotographers for planning.

+

Professional-grade sky simulation used by serious astrophotographers for planning.

Windy.com

Windy.com

Windyty, SE

Often used alongside ephemeris apps to check cloud cover and visibility for planned shoots.

+

Often used alongside ephemeris apps to check cloud cover and visibility for planned shoots.

What are the key takeaways?

Ephemeris: Sun and Moon Seeker is a divisive tools app that is available. With a 4.1/5 rating from 2.6K reviews, it receives mixed feedback from users. Users particularly appreciate high accuracy and utility, though aggressive subscription model remains a common concern.

Best for: Landscape, outdoor, and astrophotographers who require precise planning tools to capture specific lighting and celestial alignments.

How much does it cost?

Model: subscription

Tiers:
Free version with limited accessMonthly auto-renewable subscription7-day free trial

The app uses a high-friction subscription model that gates core utility behind a trial, leading to mixed sentiment despite high tool accuracy.

iOS Version

1.0.9

Android Version

1.0.9

Release Date

Feb 28, 2020

iOS Price

Free

Android Price

Free

Independent intel to help builders create better apps.

No publisher influence. No third-party bias. Built with objectivity in mind to serve the builder community. Reports are continuously improved and refined. For informational purposes only.

Hope this helps & keep building! · Found an error?

Cite this report

Marlvel.ai. “Ephemeris: Sun and Moon Seeker Intelligence Report.” Updated Apr 3, 2026. https://marlvel.ai/intel-report/tools/ephemeris-sun-and-moon-seeker

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