Best Keckwatch Apps

249+ iOS apps curated and reviewed

4.4 avg rating

18 free apps

Updated September 2026

KeckWatch is the household name in keckwatch, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Keckwatch Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	KeckWatch	Free	4.3★ (9)	No	No	Aug 2026
2	Stargazing Hub - Sky Live	Free	4.8★ (43)	Yes	Yes	Sep 2026
3	Clear Outside	Free	4.3★ (6)	No	No	Sep 2026
4	Live Sky: Stargazing & Planets	Free	4.4★ (903)	Yes	Yes	Sep 2026
5	Astro Skies	Free	5.0★ (1)	Yes	Yes	Sep 2026
6	OSR Star Finder	Free	4.6★ (4.8K)	No	No	Sep 2026
7	Universe Star Finder	Free	3.6★ (17)	No	No	Aug 2026
8	Overhead - Night Sky Scanner	Free	—	No	Yes	Aug 2026

Top Picks for Keckwatch

#1

KeckWatch by Mike Smithwick

Editor's Choice

4.3(9 ratings)

Free

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Explore the cosmos with detailed information on stars, planets, galaxies, and nebulae. Discover celestial objects using your device's compass and GPS, and stay updated with news from the W. M. Keck Observatory. Features a night-vision-friendly red interface and offline access.

#2

Stargazing Hub - Sky Live by Fuzhou Knock Dream Technology Co., Ltd.

Star Map & Sky Recognition

Strong Contender

4.8(43 ratings)

FreeAdsIn-App Purchases

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Explore the night sky with AR star maps, observation forecasts, and image recognition. Identify celestial objects, track satellites, and access environmental data for optimal stargazing. Includes tools for astrophotography and a gallery for inspiration.

#3

Clear Outside by First Light Optics

Worth Considering

4.3(6 ratings)

Free

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Get detailed, reliable weather forecasts specifically for astronomers, focusing on cloud cover. Track astronomical events like moon and sun times, darkness periods, and ISS passes. Save multiple locations for quick access to crucial data.

More Keckwatch apps to explore

Live Sky: Stargazing & Planets

Live Sky: Stargazing & Planets

Live Sky: Stargazing & Planets

Telescope & Night Planner

This astronomy app provides real-time celestial object coordinates, including planets, the Moon, Sun, and various stars and deep sky objects. It highlights objects currently visible and allows users to favorite frequently observed bodies. A daily summary widget is also available.

Live celestial object coordinatesVisibility indicator (above horizon)Detailed object information

free with in-app purchases

by DAVID ANDRES FERNANDEZ PEREZ

Plan your stargazing sessions with this astronomy app. It provides real-time observing conditions, weather forecasts, lunar information, and visible celestial objects to help you make the most of your nights under the stars.

Observing score based on sky and weatherDetailed weather and seeing conditionsMoon phase and astronomical darkness

OSR Star Finder

OSR Star Finder

OSR Star Finder

Stars, Constellations & More

Explore the night sky and locate your named star with this augmented reality app. Discover constellations, learn about celestial bodies, and easily find when and where to view your star from your location. Share your stargazing experiences with others.

Name and find your own starLocate and track starsExplore 88 constellations with artwork

Universe Star Finder

Universe Star Finder

Universe Star Finder

Realistic & Starry Night Sky!

Explore the universe with a realistic 3D simulation of the night sky. Discover stars, planets, and constellations in real-time using augmented reality. Suitable for both beginners and astronomy enthusiasts.

Accurate 3D night sky simulationReal-time AR explorationDiscover constellations and planets

Overhead - Night Sky Scanner

Know what's in your night sky.

Smart Astronomical Telescope

Explore the universe with a smart telescope that simplifies stargazing. Automatically find, focus, and capture celestial objects without professional guidance. Observe stars, the sun, and even landscapes with intuitive app control.

Wireless control of telescopeAutomatic celestial object finding and trackingSolar observation with filter

📷 Photo & Video

Celestron StarSense Explorer

Celestron StarSense Explorer

Celestron StarSense Explorer

by Celestron, LLC

This app guides you through the night sky using your smartphone and a compatible telescope. It identifies celestial objects and directs your telescope for optimal viewing, making astronomy accessible for beginners and enthusiasts alike.

Smartphone-guided stargazingReal-time telescope positioningSky recognition technology

Celestron SkyPortal

Celestron SkyPortal

Celestron SkyPortal

by Celestron, LLC

Explore the cosmos with a comprehensive astronomy suite. Discover stars, planets, and celestial events, and enhance your stargazing with detailed information and audio narration. Connect to compatible telescopes for automatic object location.

Explore 120,000 stars and celestial objectsSimulate night sky past/futureReal-time sky synchronization

Star Walk 2 Pro: Sky Map Live

Star Walk 2 Pro: Sky Map Live

Star Walk 2 Pro: Sky Map Live

Stars and Planets Tracker AR

Explore the night sky with this augmented reality stargazing app. Point your device to identify thousands of stars, planets, constellations, and celestial events in real-time. Discover astronomical news and plan your observations with a comprehensive sky map.

Real-time sky mapAugmented reality mode3D constellation models

free with in-app purchases

APOD Astronomy Pics and Widget

APOD Astronomy Pics and Widget

APOD Astronomy Pics and Widget

Astronomy Picture of the Day

Access NASA's Astronomy Picture of the Day with customizable widgets. View today's, random, or favorite images, and browse past APODs. Share your discoveries with ease.

Today WidgetRandom WidgetFavorites Widget

📷 Photo & Video

free with in-app purchases

Astronomical Objects List

Explore and learn about all 110 Messier objects, including galaxies, nebulae, and star clusters. Access detailed information, stunning images, and track your observations. Available on iPhone and Apple Watch.

Information on all 110 Messier objectsDetailed object data (size, brightness, distance)Stunning astronomical images

Astronomy & Space News

Astronomy & Space News

Astronomy & Space News

Latest NASA, Astrobiology News

Stay updated with the latest astronomy and space exploration news. Discover exoplanet findings, astrobiology advancements, and the search for extraterrestrial life. Enjoy stunning space photos and educational videos from leading space agencies.

Latest astronomy newsSpace exploration updatesExoplanet discovery

free with in-app purchases

OnStepX Smart Controller

Control your OnStep telescope mount wirelessly from your phone. Manage mount status, navigate celestial catalogs, and perform alignment and configuration tasks without a laptop.

Live mount status monitoringDirectional control with adjustable slew ratesOne-tap home and park functionality

Control your smart telescope, explore thousands of celestial objects, and observe them live. Save and share your discoveries, or contribute to real scientific research with citizen science missions.

Telescope controlExplore 5000+ celestial objectsLive astronomical observation

A New Era of Smart Telescopes

This app connects wirelessly to a smart telescope, offering intuitive control for capturing stunning images of the night sky and dynamic terrestrial scenes. It features automatic tracking, in-app image processing, and panorama creation for both astrophotography and everyday use.

Wireless telescope connectionIn-built star atlas for astrophotographyAutomatic celestial and motion tracking

📷 Photo & Video

Your Personal Sky Guide

Explore the night sky with a real-time map of stars, constellations, and planets. Discover celestial objects, track planets, and stay updated on astronomical events. Document your stargazing with an observation log and travel through time to view the sky on different dates.

Real-time sky mapConstellation guide with mythologyDeep sky object tracking

Telescope pointing solved

Transform your iPhone into a telescope finder without motors or alignment stars. It identifies star patterns in real-time, displaying your aim on a red-on-black chart with a guiding arrow. Find planets, deep sky objects, and more, all while running offline.

Real-time telescope pointingPlate-solving star identificationNight-vision friendly interface

free with in-app purchases

FAQ about Keckwatch

What are the best keckwatch apps for iPhone?

KeckWatch tops our keckwatch apps ranking as of September 2026, with a 4.3-star average from 9 App Store ratings, and it's free to download.

Are there free keckwatch apps for iPhone?

Yes — 18 of the top keckwatch apps we rank are free to download, including KeckWatch and Stargazing Hub - Sky Live.

Does KeckWatch have ads or in-app purchases?

KeckWatch has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many keckwatch apps are on the App Store?

We track 249+ keckwatch apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What is KeckWatch?

KeckWatch is an educational astronomy application that allows users to explore stars, planets, galaxies, and nebulae. It provides real-time data from the W. M. Keck Observatory and features like compass awareness for easy navigation.

Does KeckWatch require an internet connection?

No, KeckWatch does not require an internet connection to function. Users can explore celestial objects and access its features with just a sense of wonder, making it ideal for offline use.