Lumos: Sun and Moon Tracker

Lumos: Sun and Moon Tracker

Chase the Light

3.7K ratings
237 reviews
Free
In-App Purchases

Price history


Details

Released
November 14, 2013
Updated
September 2, 2026

Features

Background Location Access

Lumos: Sun and Moon Tracker screenshot #1 for iPhone
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Lumos: Sun and Moon Tracker screenshot #8 for iPhone
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About

This app precisely predicts the sun and moon's positions for any time and location. Visualize celestial movements with augmented reality, map overlays, and detailed calendars to plan photography, events, or installations.

✓Augmented reality sun/moon projection
✓Map view of celestial positions
✓Street View for remote locations
✓Rise/set times and moon phase calendar
✓Event notifications (dawn, dusk, golden hour)
✓Shadow length and object height calculation
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What's New in Lumos

2.4.5

September 2, 2026

- Improved workflow for manual coordinate entry - you can now paste coordinates directly from mapping/gps apps - Updated Privacy Policy and Terms & Conditions links - Updated libraries and SDKs

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Subscriptions & In-App Purchases

Lumos Pro

A subscription to Lumos Pro allows you to search for or manually enter any location and save it for later use (including offline use) as well as take notes for your saved locations.

$7.991 Year
Price Updates
November 1, 2026→$7.99
September 10, 2024→$5.99
July 26, 2024→$5.99
July 20, 2024→$8.99
How to cancel Lumos subscription ⁉️

User reviews

Love the app but camera not working with augmented reality

Love the app. Using it all the time for documentary film making. Recently, for some unknown reason, when selecting the augmented reality function, even if the app has access to my camera, I only see a black screen. I’ve uninstalled and reinstalled the app and I still have the same issue.

Currently using an Iphone 14 pro Max.
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Sugar

Element

MUST Have For an Eclipse

Thanks to the Lumos Team for saving our trip to Valencia for the solar eclipse. Eclipse at sunset in a flat city made it almost impossible to find a place to watch.

Thanks to Lumos, Gemini, and a few hours exploring we found the perfect spot between two trees. It was that close to.

Use it regularly.. kinda begrudgingly

Listen I NEED this app for my photography business. It’s so awesome for knowing the sun’s angle & how soon it tucks. But I am beyond annoyed when I have to use it because there has got to be a better way to use the coordinates feature. I loathe the fact that I have to copy them from Google, then paste them elsewhere and separate them out then paste them into the app. Please, for the love of all that is good.. fix this feature.
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Latest update broke it

Fantastic app but sadly the latest update completely broke it. No AR or camera feed on iPhone 14 Pro, latest software. Tried reinstalling the app but no luck.

FAQ

What does Lumos do?

Lumos accurately predicts the position of the sun and moon at any time, on any day, in any place. It offers features like augmented reality views, map overlays, and detailed calendars to help users visualize and plan around celestial events.

What are the key features of Lumos?

Key features include an augmented reality view to project sun and moon positions, a map view for planning from afar, a calendar view for rise/set times and moon phases, and notifications for significant solar and lunar events. It also offers a shadow length calculation tool.

How much does Lumos cost?

The app offers a free version with core features. An affordable one-time purchase unlocks Lumos Pro, which includes advanced features like Street View for remote locations, saving locations, taking notes, and enhanced notifications.

What devices is Lumos compatible with?

The app utilizes augmented reality and device hardware like compasses. While specific OS versions aren't detailed, it's designed for smartphones and tablets that support AR capabilities and has calibration tools for accuracy.

Who would benefit from using Lumos?

Lumos is beneficial for photographers planning shoots, wedding planners coordinating outdoor ceremonies, solar panel installers, and anyone who needs to understand or visualize the sun and moon's positions for practical or creative purposes.