Stellarium is a free open-source planetarium software that shows a realistic sky in 3D, just like what you see with the naked...
Best Solar Eclipse Timer Alternatives ranked by AI · updated Aug 2026
Solar Eclipse Timer is a mobile app that guides observers through the phases of a total or annular solar eclipse. It provides location-based audio cues and contact-time alerts for people watching from the ground.
Top 6 Solar Eclipse Timer alternatives
SkySafari is a powerful planetarium that fits in your pocket, puts the universe at your fingertips, and is incredibly easy to use!
Eclipse Countdown 2017 was a mobile companion for the August 2017 total solar eclipse, aimed at observers planning where and when to...
Pros
- Provided a focused countdown for the 2017 total solar eclipse
- Included educational guidance from a science museum
- Was more approachable than general-purpose astronomy software
Cons
- Focused exclusively on the 2017 eclipse
- No longer useful for planning current eclipses
- Had fewer simulation features than modern astronomy apps
4
Eclipse Guide
Vito Technology
Eclipse Guide is a mobile app for finding and planning solar and lunar eclipses worldwide. It combines event maps, local visibility details,...
Pros
- Supports future solar and lunar eclipses instead of one historical event
- Offers location-specific contact times and visibility maps
- More focused on eclipse planning than general astronomy apps
Cons
- Some features may require in-app purchases
- Less useful for broad stargazing than Stellarium or SkySafari
- Mobile-focused rather than a full desktop planning tool
Freemium, optional in-app purchases
5
NASA Eclipse
NASA
NASA Eclipse is NASA's online resource for upcoming and past solar and lunar eclipses. It provides event dates, viewing guidance, maps, safety...
Pros
- Uses authoritative scientific and safety information
- Covers both upcoming and historical eclipses worldwide
- Offers more educational depth than a countdown-only app
Cons
- Less interactive than dedicated mobile eclipse apps
- Does not provide the same live audio guidance as Solar Eclipse Timer
- Information is spread across a broader NASA website
6
Eclipse Calendar
timeanddate.com AS
Eclipse Calendar is timeanddate.com's web-based eclipse planning tool for solar and lunar events. It shows local visibility, event stages, maps, countdowns, and...
Pros
- Provides precise local timings without installing an app
- Covers eclipses globally with accessible maps and tables
- Combines countdowns with detailed timezone and visibility data
Cons
- Contains more advertising than dedicated astronomy applications
- Less immersive for live observation than specialized mobile tools
- Interface is information-dense for casual users
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